NEC PD78214 User Manual
Page 39

10
µ
PD78214 Sub-Series
P00-P07
: Port 0
P20-P27
: Port 2
P30-P37
: Port 3
P40-P47
: Port 4
P50-P57
: Port 5
P60-P67
: Port 6
P70-P75
: Port 7
TO0-TO3
: Timer output
CI
: Clock input
RxD
: Receive data
TxD
: Transmit data
SCK
: Serial clock
ASCK
: Asynchronous serial clock
SBO
: Serial bus
SI
: Serial input
SO
: Serial output
NMI
: Non-maskable interrupt
INTP0-INTP5 : Interrupt from peripherals
AD0-AD7
: Address/data bus
A8-A19
: Address bus
RD
: Read strobe
WR
: Write strobe
WAIT
: Wait
ASTB
: Address strobe
REFRQ
: Refresh request
RESET
: Reset
X1, X2
: Crystal
EA
: External access
AN0-AN7
: Analog input
AV
REF
: Reference voltage
AV
SS
: Analog ground
V
DD
: Power supply
V
SS
: Ground
NC
: Non-connection