UPD780973(A) Features
* High-speed instruction execution time (0.24 s: @ 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%
UPD780973(A) Typical Application
Automobile meter (dash board) control
UPD780973(A) Connection Diagram
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