UPD78F0974中文资料瑞萨数据手册PDF规格书

特性 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