USB音频MCU

HT82A824R

版本： V1.00

Date: ½½½i½ 1½½ ½011

HT82A824R

USB音频MCU

目录

产品特点............................................................................................................. 7

CPU Featu½es ..........................................................................................................................7

一般Description.......................................................................................... 8

块Diagram................................................................................................... 8

引脚分配................................................ ................................................. 9

引脚说明................................................ ................................................. 9

绝对最大额定值............................................... ............................ 10

特区Characteristics........................................................................................ 11

交流Characteristics........................................................................................ 12

系统Architecturex ................................................ ..................................... 12

C½ocking and Pi½e½ining ..........................................................................................................1½

P½og½am Counte½....................................................................................................................13

Stack ......................................................................................................................................1½

½½ithmetic and Logic Unit – ½LU ............................................................................................15

程序存储器................................................ ............................................ 15

O½ganisation ...........................................................................................................................15

S½ecia½ Vecto½s ......................................................................................................................15

Look-u½ Tab½e .........................................................................................................................17

Tab½e P½og½am Exam½½e .........................................................................................................18

数据存储器................................................ .................................................. 19

O½ganisation ...........................................................................................................................19

Gene½a½ Pu½½ose Data Memo½y .............................................................................................½0

S½ecia½ Pu½½ose Data Memo½y ..............................................................................................½0

特殊功能寄存器............................................... ............................. 21

Indi½ect add½essing ½egiste½ – I½R0½ I½R1 ..............................................................................½1

Memo½y Pointe½ – MP0½ MP1 .................................................................................................½1

Bank Pointe½ – BP ..................................................................................................................½½

½ccumu½ato½ – ½CC ...............................................................................................................½½

P½og½am Counte½ Low Registe½ – PCL...................................................................................½½

Look-u½ Tab½e Registe½s – TBLP½ TBLH½ TBHP .....................................................................½3

Watchdog Time½ Registe½ – WDTS .......................................................................................½3

Status Registe½ – ST½TUS .....................................................................................................½3

Inte½½u½t Cont½o½ Registe½s – INTC0½ INTC1½ MFI1C .............................................................½½

Time½/Event Counte½ Registe½s – TMRL/TMRH½ TMRC ........................................................½½

In½ut/Out½ut Po½ts and Cont½o½ Registe½s ..............................................................................½½

Po½t ½ Wake-u½ Cont½o½ Registe½ – P½_W½KE_CTRL ...........................................................½5

Pu½se Width Modu½ato½ Registe½s – PWM0½ PWM1½ PWMC ..................................................½5

½/D Conve½te½ Registe½s – ½DRL½ ½DRH½ ½DCR½ ½CSR .......................................................½5

USB Registe½s........................................................................................................................½5

PFD Registe½s – PFDC½ PFDD ..............................................................................................½5

修订版1.00

½

½½½i½ 1½½ ½011

HT82A824R

USB音频MCU

Othe½ Registe½s .....................................................................................................................½5

输入/输出端口.............................................. ............................................ 26

Pu½½-high Resisto½s .................................................................................................................½6

Po½t Wake-u½ .........................................................................................................................½6

I/O Po½t Cont½o½ Registe½s ......................................................................................................½7

Pin-sha½ed Functions .............................................................................................................½7

I/O Pin St½uctu½es ...................................................................................................................½8

P½og½amming Conside½ations.................................................................................................½9

定时/计数器.............................................. ...................................... 29

配置定时/计数器输入时钟源

.....................................................30

Time½ Registe½s – TMR0H/TMR0L½ TMR1L/TMR1H ..............................................................30

Time½ Cont½o½ Registe½ – TMR0C½ TMR1C ............................................................................31

配置定时器模式

...................................................................................................31

配置事件计数模式

.....................................................................................3½

配置脉冲宽度测量模式

..................................................................3½

I/O Inte½facing.........................................................................................................................33

P½og½amming Conside½ations.................................................................................................3½

Time½ P½og½am Exam½½e ........................................................................................................35

P½og½ammab½e F½equency Divide½ – PFD ..............................................................................35

功率放大器

............................................................................................... 37

P½og½ammab½e ½ttenuato½ ......................................................................................................37

½TTEN_CTRL_L and ½TTEN_CTRL_R Registe½s .................................................................37

中断......................................................................................................... 38

Inte½½u½t Registe½s..................................................................................................................38

Inte½½u½t O½e½ation .................................................................................................................38

Inte½½u½t P½io½ity......................................................................................................................39

USB Inte½½u½t .........................................................................................................................½1

Time½/Event Counte½ Inte½½u½t ................................................................................................½1

P½ay Inte½½u½t ..........................................................................................................................½1

Mu½ti Function Inte½½u½t ..........................................................................................................½½

Exte½na½ Inte½½u½t....................................................................................................................½3

½/D Conve½te½ Inte½½u½t ..........................................................................................................½3

Se½ia½ Inte½face Inte½½u½t.........................................................................................................½3

P½og½amming Conside½ations.................................................................................................½½

复位和初始化............................................... .................................... 44

Reset Functions .....................................................................................................................½½

Reset Initia½ Conditions ..........................................................................................................½7

振荡器......................................................................................................... 50

System C½ysta½/Ce½amic Osci½½ato½.........................................................................................50

Watchdog Time½ Osci½½ato½ .....................................................................................................50

掉电模式和唤醒........................................... ........................ 51

Powe½ Down Mode .................................................................................................................51

Ente½ing the Powe½ Down Mode ............................................................................................51

修订版1.00

3

½½½i½ 1½½ ½011

HT82A824R

USB音频MCU

Standby Cu½½ent Conside½ations ............................................................................................51

Wake-u½ .................................................................................................................................5½

看门狗定时器................................................ .............................................. 53

USB功能................................................ .................................................. 55

USB Inte½face .........................................................................................................................55

USB Inte½face Registe½s.........................................................................................................55

USC Registe½ .........................................................................................................................55

USR Registe½ .........................................................................................................................57

UCC Registe½ ........................................................................................................................58

½WR Registe½.........................................................................................................................59

ST½LL Registe½ .....................................................................................................................59

SIES Registe½.........................................................................................................................60

MISC Registe½ .......................................................................................................................6½

SETIO Registe½ ......................................................................................................................63

USB_ST½TE Registe½ ............................................................................................................6½

Sus½end Wake-U½ Remote Wake-U½ ....................................................................................65

USF Registe½..........................................................................................................................65

½udio Data Fo½mat .................................................................................................................69

USB S½eake½ Vo½ume Cont½o½ ................................................................................................70

FIFO Registe½s .......................................................................................................................70

D½C Limit Registe½s ...............................................................................................................71

SPI串行接口............................................... .......................................... 72

SPI Inte½face Communication ................................................................................................7½

SPI Registe½s .........................................................................................................................7½

SPI Bus Enab½e/Disab½e .........................................................................................................73

SPI O½e½ation.........................................................................................................................73

E½½o½ Detection .......................................................................................................................76

P½og½amming Conside½ations.................................................................................................76

Mode Cont½o½ Registe½ ...........................................................................................................76

P½ay Data................................................................................................................................78

模拟到数字转换.............................................. ............................. 78

½/D Ove½view .........................................................................................................................78

½/D Conve½te½ Data Registe½s – ½DRL½ ½DRH ......................................................................78

½/D Conve½te½ Cont½o½ Registe½ – ½DCR ...............................................................................79

½/D Conve½te½ C½ock Sou½ce Registe½ – ½CSR ......................................................................80

½/D In½ut Pins ........................................................................................................................80

Initia½ising the ½/D Conve½te½ ..................................................................................................81

Summa½y of ½/D Conve½sion Ste½s........................................................................................81

P½og½amming Conside½ations.................................................................................................8½

½/D P½og½amming Exam½½e....................................................................................................8½

½/D T½ansfe½ Function ............................................................................................................85

UART总线接口.............................................. ............................... 85

U½RT Featu½es ......................................................................................................................85

修订版1.00

½

½½½i½ 1½½ ½011

HT82A824R

USB音频MCU

U½RT Exte½na½ Pin Inte½facing ...............................................................................................86

U½RT Data T½ansfe½ Scheme.................................................................................................86

U½RT Status and Cont½o½ Registe½s.......................................................................................86

USR1 Registe½ .......................................................................................................................87

UCR1 Registe½ .......................................................................................................................89

UCR½ Registe½ .......................................................................................................................90

Baud Rate Gene½ato½ .............................................................................................................9½

Ca½cu½ating the Registe½ and E½½o½ Va½ues .............................................................................9½

设置和控制的UART ............................................ ............... 93

Int½oduction ............................................................................................................................93

Enab½ing/Disab½ing the U½RT .................................................................................................93

Data½ Pa½ity and Sto½ Bit Se½ection ........................................................................................9½

U½RT T½ansmitte½...................................................................................................................9½

T½ansmitting Data ...................................................................................................................9½

T½ansmit B½eak .......................................................................................................................95

UART接收器................................................ ................................................ 96

Int½oduction ............................................................................................................................96

接收数据.......................................................................................................................96

Receive B½eak ........................................................................................................................97

Id½e Status ..............................................................................................................................97

Receive½ Inte½½u½t...................................................................................................................97

Managing Receive½ E½½o½s .....................................................................................................97

Ove½½un E½½o½ – OERR F½ag ...................................................................................................97

Noise E½½o½ – NF F½ag ............................................................................................................98

F½aming E½½o½ – FERR F½ag ...................................................................................................98

Pa½ity E½½o½ – PERR F½ag .......................................................................................................98

Ua½t Inte½½u½t Scheme ............................................................................................................98

½dd½ess Detect Mode.............................................................................................................99

Ua½t O½e½ation in Powe½ Down Mode ..................................................................................100

脉宽调制器............................................... .................................. 100

6+½ PWM Mode ...................................................................................................................101

7+1 PWM Mode ...................................................................................................................10½

PWM Out½ut Cont½o½ ............................................................................................................103

CON组fi guration选项

.................................................................................. 104

应用电路................................................ ...................................... 105

指令集................................................ ............................................... 106

Int½oduction ..........................................................................................................................106

Inst½uction Timing .................................................................................................................106

Moving and T½ansfe½½ing Data ..............................................................................................106

½½ithmetic O½e½ations...........................................................................................................106

Logica½ and Rotate O½e½ations.............................................................................................106

B½anches and Cont½o½ T½ansfe½ ............................................................................................107

Bit O½e½ations ......................................................................................................................107

修订版1.00

5

½½½i½ 1½½ ½011