UPD780973A数据手册Renesas中文资料规格书

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%