32
CHAPTER 2 PIN FUNCTION
(2) Non-port pins
Pin Name
Input/Output
Function
After Reset
Alternate
Function
INTP0 to INTP2
Input
External interrupt request input with specifiable valid edges
Input
P00 to P02
(rising edge, falling edge, both rising and falling edges).
SI
Input
Serial interface serial data input.
Input
P52
SO
Output
Serial interface serial data output.
Input
P51
SCK
Input/Output
Serial interface serial data input/output.
Input
P50
RxD
Input
Asynchronous serial interface serial data input.
Input
P53
TxD
Output
Asynchronous serial interface serial data output.
Input
P54
TI00
Input
Capture trigger signal input to capture register (CR00).
Input
P40
TI01
Capture trigger signal input to capture register (CR01).
P41
TI02
Capture trigger signal input to capture register (CR02).
P42
TIO2
Input/Output
8-bit timer (TM2) input/output.
Input
P43
TIO3
8-bit timer (TM3) input/output.
P44
PCL
Output
Clock output (for main system clock trimming).
Input
SGOA/P60
SGOA
Output
Sound generator signal output.
Input
PCL/P60
SGOF
SGO/P61
SGO
SGOF/P61
TPO
Output
Prescaler output of 16-bit timer (TM0).
Input
P81/S19
S0 to S4
Output
Segment signal output of LCD controller/driver.
Output
—
S5 to S12
Input
P97 to P90
S13 to S18
P87 to P82
S19
P81/TPO
COM0 to COM3
Output
Common signal output of LCD controller/driver.
Output
—
V
LCD
—
LCD driving power supply.
—
—
SM11 to SM14
Output
Meter control signal output.
Hi-Z
P20 to P23
SM21 to SM24
P24 to P27
SM31 to SM34
P30 to P33
SM41 to SM44
P34 to P37
ANI0 to ANI4
Input
A/D converter analog input.
Input
P10 to P14
AV
REF
Input
A/D converter reference voltage input (shared with analog
—
—
power supply).
AV
SS
—
A/D converter ground potential. Same potential as V
SS
.
—
—
RESET
Input
System reset input.
—
—
X1
Input
Crystal connection for main system clock oscillation.
—
—
X2
—
—
—
SMV
DD
—
Power supply for meter controller/driver.
—
—
SMV
SS
—
Ground potential for meter controller/driver.
—
—
V
DD
—
Positive power supply.
—
—
V
SS
—
Ground potential.
—
—
V
PP
—
High-voltage application for program write/verify.
—
—
Connect directly to V
SS
in normal operating mode.
IC
—
Internally connected. Connect directly to V
SS
.
—
—
Содержание mPD780973 Series
Страница 2: ...2 MEMO ...
Страница 66: ...66 MEMO ...
Страница 98: ...98 MEMO ...
Страница 138: ...138 MEMO ...
Страница 164: ...164 MEMO ...
Страница 182: ...182 MEMO ...
Страница 204: ...204 MEMO ...
Страница 244: ...244 MEMO ...
Страница 262: ...262 MEMO ...
Страница 278: ...278 MEMO ...
Страница 290: ...290 MEMO ...