W742E/C816
4位微控制器
表盒内的
1.
2.
3.
4.
5.
概述......................................................................................................................3
特点.............................................................................................................................................3
PIN CONFIGURATION............................................................................................................................5
引脚说明.................................................................................................................................6
功能说明................................................................................................................7
5.1
5.2
5.3
程序计数器(PC)..............................................................................................................7
堆栈注册(STACK)...........................................................................................................8
程序存储器(ROM) ..........................................................................................................8
5.3.1
5.3.2
ROM页寄存器( ROMPR ) ............................................ ............................................... 9
ROM寻址模式....................................................................................................10
架构......................................................................................................................11
RAM页寄存器(PAGE).............................................................................................12
WR页寄存器(WRP)................................................................................................12
央行数据寄存器( DBKRH , DBKRL ) .......................................... ................................... 13
内存寻址Mode.....................................................................................................14
5.4
数据存储器(RAM)...............................................................................................................11
5.4.1
5.4.2
5.4.3
5.4.4
5.4.5
5.5
5.6
5.7
5.8
5.9
5.10
5.11
5.12
累加器(ACC).................................................................................................................15
算术逻辑单元( ALU ) ........................................... .................................................. 15
主Oscillator........................................................................................................................16
Sub-oscillator..........................................................................................................................16
Dividers...................................................................................................................................16
双时钟运行..............................................................................................................17
看门狗定时器(WDT ) .........................................................................................................18
Timer/Counter.........................................................................................................................19
5.12.1
5.12.2
5.12.3
5.12.4
定时器0 ( TM0 ) .................................................................................................................19
定时器1 ( TM1 ) .................................................................................................................20
模式寄存器0 ( MR0 ) ............................................ .................................................. .... 21
模式寄存器1 ( MR1 ) ............................................ .................................................. .... 22
5.13
5.14
5.15
中断................................................................................................................................22
停止模式操作.............................................................................................................24
5.14.1
5.15.1
5.15.2
5.15.3
5.15.4
5.15.5
停止模式唤醒启动标志为RC和RD端口( SEF ) ................................... ..... 24
HOLD模式发布允许标志( HEF , HEFD ) ........................................ ...................... 26
中断使能标志( IEF ) ............................................ ................................................. 26
端口使能标志( PEF , P1EF ) .......................................... .............................................. 27
HOLD模式解除条件标志( HCF , HCFD ) ........................................ ................. 27
事件标志( EVF , EVFD).................................................................................................28
保持模式操作.............................................................................................................24
-1-
出版日期: 2001年12月17日
修订版A1