NEC mPD780973 Series Preliminary User's Manual page 26

ANI0 to ANI4 : Analog Input
AV : Analog Reference Voltage
REF
AV : Analog Ground
SS
COM0 to COM3 : Common Output
IC : Internally Connected
INTP0 to INTP2 : Interrupt from Peripherals
P00 to P07 : Port0
P10 to P14 : Port1
P20 to P27 : Port2
P30 to P37 : Port3
P40 to P44 : Port4
P50 to P54 : Port5
P60, P61 : Port6
P81 to P87 : Port8
P90 to P97 : Port9
PCL : Clock Output
RESET : Reset
RxD : Receive Data
S0 to S19 : Segment Output
26
CHAPTER 1 OUTLINE
SCK
SGO
SGOA
SGOF
SI
SM11 to SM14, SM21 to SM24, SM31 to SM34, SM41 to SM44
SMV
DD
SMV
SS
SO
TI00 to TI02
TIO2, TIO3
TPO
TxD
V
DD
V
LCD
V
PP
V
SS
X1, X2
: Serial Clock
: Sound Generator Output
: Sound Generator Amplitude Output
: Sound Generator Frequency Output
: Serial Input
: Meter Output
: Meter Controller Power Supply
: Meter Controller Ground
: Serial Output
: Timer Input
: Timer Output/Event Counter Input
: Prescaler Output
: Transmit Data
: Power Supply
: LCD Power Supply
: Programming Power Supply
: Ground
: Crystal (Main System Clock)