特 点

· 基本机器指令...................................................................................................................................................71

· 指令执行时间............................................................................................................................................0.32μs

（在最短指令、振荡频率为12.5MHz时）

· 存储器容量 （QzROM版）

ROM...............................................................................................................................................16K～60K字节

RAM..............................................................................................................................................640～2048字节

· 存储器容量 （闪存版）

ROM ........................................................................................................................................................60K字节

RAM........................................................................................................................................................2048字节

· 可编程输入/输出端口......................................................................................................51个 （SEG共用24个）

· 中断.......................................................................................................................................18个源、 16个向量

· 定时器..................................................................................................................................... 8位 × 4、 16位×2

· 串行接口.....................................................................................................................................................8位×2

（时钟异步/同步）

· PWM .....................................................................................................10位 × 2、 16位 × 1 （IGBT输出兼用）

· A/D转换器................................................................................................................................................ 10位×8

（可在低速模式中运行）

· 看门狗定时器..............................................................................................................................................8位×1

· ROM校正功能 ......................................................................................................................... 32字节 × 2个向量

· LED直接驱动端口............................................................................................................................................8个

（平均电流 15mA、峰值电流 30mA、总和电流 90mA）

· LCD驱动控制电路

偏压...................................................................................................................................................1/2、 1/3偏压

分时..................................................................................................................................................2、 3、 4分时

公共输出............................................................................................................................................................4个

段输出..............................................................................................................................................................24个

· 主时钟发生电路................................................................................................................................ 内置1个电路

（陶瓷谐振器或者内部振荡器）

· 副时钟发生电路................................................................................................................................ 内置1个电路

（外接晶体谐振器）

· 电源电压 (QzROM版)

［在2分频模式时］

f(X IN )≤12.5MHz....................................................................................................................................4.5～5.5V

f(X IN )≤8MHz.........................................................................................................................................4.0～5.5V

f(X IN )≤4MHz.........................................................................................................................................2.0～5.5V

f(X IN )≤2MHz.........................................................................................................................................1.8～5.5V

［在4分频模式时］

f(X IN )≤16MHz.......................................................................................................................................4.5～5.5V

f(X IN )≤8MHz.........................................................................................................................................2.0～5.5V

f(X IN )≤4MHz.........................................................................................................................................1.8～5.5V

［在8分频模式时］

f(X IN )≤16MHz........................................................................................................................................4.5～5.5V

f(X IN )≤8MHz..........................................................................................................................................2.0～5.5V

f(X IN )≤4MHz..........................................................................................................................................1.8～5.5V

［在低速模式时］....................................................................................................................................1.8～5.5V

【注】 在 2 分频模式中不能使用 12.5MHz ＜ f(X IN ) ≤ 16MHz。