PIC18F2423/2523/4423/4523
引脚功能
MCLR / V
PP
/ RE3 ................................................ .... 12 ， 16
OSC1 / CLKI / RA7 ............................................. ..... 12 ， 16
OSC2 / CLKO / RA6 ............................................. ... 12， 16
RA0 / AN0 ............................................... ............... 13 17
RA1 / AN1 ............................................... ............... 13 17
RA2/AN2/V
REF
- /简历
REF
........................................ 13, 17
RA3/AN3/V
REF
+ ................................................... 13, 17
RA4 / T0CKI / C1OUT ............................................. 13 ， 17
RA5 / AN4 / SS / HLVDIN / C2OUT ............................. 13 17
RB0 / INT0 / FLT0 / AN12 .......................................... 14 ， 18
RB1 / INT1 / AN10 ............................................. ...... 14 ， 18
RB2 / INT2 / AN8 ............................................. ........ 14 ， 18
RB3 / AN9 / CCP2 ............................................. ...... 14 ， 18
RB4 / KBI0 / AN11 ............................................. ...... 14 ， 18
RB5 / KBI1 / PGM ............................................. ....... 14 ， 18
RB6 / KBI2 / PGC ............................................. ....... 14 ， 18
RB7 / KBI3 / PGD ............................................. ....... 14 ， 18
RC0 / T1OSO / T13CKI ........................................... 15 19
RC1 / T1OSI / CCP2 ............................................. ... 15 ， 19
RC2 / CCP1 ............................................... .................. 15
RC2 / CCP1 / P1A ............................................. ............ 19
RC3 / SCK / SCL ............................................. ........ 15 ， 19
RC4 / SDI / SDA ............................................. ......... 15 ， 19
RC5 / SDO ............................................... .............. 15 ， 19
RC6 / TX / CK ............................................. ............. 15 ， 19
RC7 / RX / DT ............................................. ............. 15 ， 19
RD0 / PSP0 ............................................... ................... 20
RD1 / PSP1 ............................................... ................... 20
RD2 / PSP2 ............................................... ................... 20
RD3 / PSP3 ............................................... ................... 20
RD4 / PSP4 ............................................... ................... 20
RD5 / PSP5 / P1B ............................................. ............. 20
RD6 / PSP6 / P1C ............................................. ............. 20
RD7 / PSP7 / P1D ............................................. ............. 20
RE0 / RD / AN5 ............................................. ................. 21
RE1 / WR / AN6 ............................................. ................ 21
RE2 / CS / AN7 ............................................. ................. 21
V
DD
....................................................................... 15, 21
V
SS
....................................................................... 15, 21
I / O引脚说明
PIC18F2423 / 2523 ............................................... ....... 12
PIC18F4423 / 4523 ............................................... ....... 16
PIR寄存器................................................ ..................... 96
PLL倍频............................................... .... 25
HSPLL振荡器模式.............................................. 25
使用带有INTOSC ............................................... ........ 25
POP ................................................. ................................. 300
POR 。
SEE
上电复位。
PORTA
相关的寄存器............................................... 107
LATA注册................................................ .......... 105
PORTA注册................................................ ...... 105
TRISA寄存器................................................ ........ 105
PORTB
相关的寄存器............................................... 110
LATB注册................................................ .......... 108
PORTB注册................................................ ...... 108
RB7 ： RB4中断电平变化标志（ RBIF位） .......... 108
TRISB寄存器................................................ ........ 108
PORTC
相关的寄存器............................................... 113
LATC注册................................................ ......... 111
PORTC注册................................................ ...... 111
RC3 / SCK / SCL引脚............................................ 177 .......
TRISC寄存器................................................ ........ 111
PORTD
相关的寄存器............................................... 116
LATD注册................................................ ......... 114
并行从动端口（ PSP ）功能.......................... 114
PORTD注册................................................ ...... 114
TRISD注册................................................ ........ 114
PORTE
相关的寄存器............................................... 119
晚注册................................................ ......... 117
PORTE注册................................................ ...... 117
PSP模式选择（ PSPMODE位） .......................... 114
TRISE注册................................................ ........ 117
功耗管理模式.............................................. ....... 33
和A / D操作............................................. ...... 234
和多睡眠命令.................................. 34
和PWM操作............................................... 。 159
和SPI操作............................................... 169 ....
时钟转换和状态指示.................... 34
影响时钟源........................................... 31
进入................................................. .................... 33
退出空闲和休眠模式.................................... 39
通过中断................................................ ........ 39
通过复位................................................ ............ 39
通过WDT超时............................................. 39
如果没有启动延时................................... 40
空闲模式................................................ ................. 37
PRI_IDLE ................................................. .......... 38
RC_IDLE ................................................. .......... 39
SEC_IDLE ................................................. ........ 38
运行模式................................................ ................ 34
PRI_RUN ................................................. .......... 34
RC_RUN ................................................. ........... 35
SEC_RUN ................................................. ........ 34
选择................................................. ................... 33
睡眠模式................................................ ............... 37
摘要（表） .............................................. .......... 33
上电复位（ POR ） ........................................... ........... 43
延时时序.............................................. ..... 45
电延时.............................................. ................. 31
上电定时器（ PWRT ） ........................................... ........ 31
预分频器
定时器2 ................................................. .................... 150
预分频器，定时器0 ............................................... ............. 125
预分频器，定时器2 ............................................... ............. 145
PRI_IDLE模式................................................ ................. 38
PRI_RUN模式................................................ ................. 34
程序计数器................................................ ............... 54
PCL ， PCH和PCU寄存器.................................. 54
PCLATH和PCLATU寄存器.............................. 54
程序存储器
和扩展指令集.................................... 72
代码保护................................................ 268 .......
说明................................................. ............... 58
双字............................................... ........... 58
中断向量................................................ .......... 53
查找表.............................................. ............ 56
地图和堆栈（图） .......................................... 53
复位向量................................................ .............. 53
程序校验和代码保护...................... 267
相关的寄存器............................................... 267
PSP 。
SEE
并行从动端口。
脉冲宽度调制。
SEE
PWM （ CCP模块）
和PWM （ ECCP模块） 。
推................................................. .............................. 300
PUSH和POP指令.............................................. 55
PUSHL ................................................. ............................ 316
DS39755B页382
初步
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