ML66592 参数 Datasheet PDF下载

第三章CPU架构

3.1

存储空间................................................ ............................................... 3-1

3.1.1存储空间扩展............................................ .............................. 3-1

3.1.2程序存储器空间............................................ ................................. 3-2

[1]在访问程序存储器空间........................................... ................ 3-4

[ 2 ]向量表区............................................ ........................................... 3-4

[ 3 ] VCAL表区............................................ ............................................ 3-6

[ 4 ] ACAL区............................................. .................................................. ... 3-7

3.1.3数据存储空间............................................ ....................................... 3-8

[1]特殊功能寄存器（ SFR ）区........................................ ................ 3-9

[ 2 ]扩展特殊功能寄存器（ SFR扩展）区..................... 3-9

[3]内部RAM区域............................................ .......................................... 3-9

[ 4 ]页固定（ FIX ）区......................................... ..................................... 3-10

[ 5 ]本地寄存器设置区........................................... ........................... 3-11

[ 6 ] ROM窗口设置区域........................................... ............................ 3-11

3.1.4数据存储器访问............................................ .................................... 3-12

[1]字节操作............................................. ............................................. 3-12

[ 2 ]字操作............................................. ........................................... 3-12

3.2

注册...................................................................................................... 3-13

3.2.1算术寄存器（ ACC ） .......................................... .............................. 3-13

3.2.2控制寄存器............................................. ........................................... 3-14

[1]程序状态字（ PSW ） ......................................... ........................... 3-14

[2]程序计数器（PC ） .......................................... .................................... 3-17

[ 3 ]本地注册库（ LRB ） ......................................... .............................. 3-17

[ 4 ]系统堆栈指针（ SSP ） ......................................... ............................ 3-18

3.2.3定点寄存器（ PR ） .......................................... .................................... 3-19

3.2.4局部寄存器（ R， ER ） ........................................ .................................... 3-20

3.2.5段寄存器............................................. ........................................ 3-21

[1]代码段寄存器（ CSR ） ......................................... ....................... 3-21

[2]表段寄存器（ TSR ） ......................................... ....................... 3-22

3.2.6特殊功能寄存器（ SFR ） ......................................... ..................... 3-23

3.3

寻址方式................................................ ......................................... 3-37

3.3.1内存寻址............................................. .......................................... 3-37

[1]寄存器寻址............................................. .................................... 3-37

[ 2 ]页寻址............................................. ......................................... 3-40

[ 3 ]直接数据寻址............................................ ................................. 3-43

[ 4 ]指着寄存器间接寻址........................................... ............ 3-44

[ 5 ]特殊区位寻址........................................... .......................... 3-50

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