PD754144 ， 754244
目录
1.引脚配置（顶视图） .......................................... .................................................. 6 ........
2.框图................................................................................................................................ 8
3.引脚功能..................................................................................................................................... 9
3.1端口引脚...................................................................................................................................... 9
3.2非端口引脚............................................................................................................................ 10
3.3引脚输入/输出电路......................................................................................................... 11
3.4推荐未使用引脚的连接............................................ .............................. 12
BETWEEN MK I MODE和MK II模式4.切换功能...................................... ......... 13
MK I和Mk II模式......................................... 4.1之间的差异..................................... 13
4.2设置堆栈区选择寄存器法（ SBS ） ....................................... .................... 14
5.内存配置............................................................................................................. 15
6. EEPROM .............................................................................................................................................18
7.外围硬件功能............................................. ............................................ 19
7.1数字量输入/输出端口........................................................................................................ 19
7.2时钟发生器........................................................................................................................19
7.3基本间隔定时器/看门狗定时器........................................... .......................................... 22
7.4定时器计数器........................................................................................................................... 23
7.5可编程阈值端口（模拟输入端口） ......................................... ...................... 27
7.6位连续缓冲区....... 16位..................................... .................................................. ..... 28
8.中断功能和测试功能........................................... ................................... 29
9.待机功能........................................................................................................................31
10.复位功能............................................................................................................................. 32
10.1配置和复位功能的运行状况.......................................... ........... 32
10.2看门狗标志（ WDF ） ，返回键标志（ KRF ） ..................................... ................................. 36
11.掩膜选项...................................................................................................................................38
12.指令集..........................................................................................................................39
13.电气规范...................................................................................................... 48
13.1
PD754144 ................................................................................................................................. 48
13.2
PD754244 ................................................................................................................................. 56
14.特性曲线（参考值） .......................................... ....................... 67
14.1
PD754144 ................................................................................................................................. 67
14.2
PD754244 ................................................................................................................................. 69
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