UPD784031 Datasheet, PDF (9/90 Pages) NEC – 16/8-BIT SINGLE-CHIP MICROCONTROLLER

µPD784031
A8-A19
: Address bus
AD0-AD7
: Address/data bus
ANI0-ANI7
: Analog input
ANO0, ANO1
: Analog output
ASCK, ASCK2
: Asynchronous serial clock
ASTB
: Address strobe
AVDD
: Analog power supply
AVREF1-AVREF3
: Reference voltage
AVSS
: Analog ground
CI
: Clock input
HLDAK
: Hold acknowledge
HLDRQ
: Hold request
INTP0-INTP5
: Interrupt from peripherals
NMI
: Non-maskable interrupt
P00-P07
: Port 0
P10-P17
: Port 1
P20-P27
: Port 2
P30-P37
: Port 3
P60-P63, P66, P67 : Port 6
P70-P77
: Port 7
PWM0, PWM1 : Pulse width modulation output
RD
: Read strobe
REFRQ
: Refresh request
RESET
: Reset
RxD, RxD2 : Receive data
SCK0-SCK2 : Serial clock
SCL
: Serial clock
SDA
: Serial data
SI0-SI2
: Serial input
SO0-SO2
: Serial output
TEST
: Test
TO0-TO3
: Timer output
TxD, TxD2 : Transmit data
VDD0, VDD1
: Power supply
VSS0, VSS1
: Ground
WAIT
: Wait
WR
: Write strobe
X1, X2
: Crystal
9