UPD780973A中文資料瑞薩數(shù)據(jù)手冊PDF規(guī)格書

Features

? High-speed instruction execution time (0.24 μs: @ 8.38-MHz operation with main system clock)

? Instruction set suited to system control

? Bit manipulation possible in all address spaces

? Multiply and divide instructions

? Fifty-six I/O ports : (including pins that have an alternate function as segment signal output)

? LCD controller/driver

? Segment signal output : 20 max.

? Common signal output : 4 max.

? Bias : 1/3 bias

? Power supply voltage : VLCD = 3.0 V to VDD

? 8-bit resolution A/D converter : 5 channels

? Serial interface : 2 channels

? 3-wire serial I/O mode : 1 channel

? UART mode : 1 channel

? Timer : Six channels

? 16-bit timer : 1 channel

? 8-bit timer : 1 channel

? 8-bit timer/event counter : 2 channels

? Watch timer : 1 channel

? Watchdog timer : 1 channel

? Meter controller/driver : PWM output (8-bit resolution) : 16

: Can set pulse width with a precision of 8 + 1 bits with 1-bit addition function

? Sound generator : 1 channel

? Vectored interrupt sources : 21

? Power supply voltage : VDD = 5 V ±10