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參數(shù)資料
| 型號： | UPD780824 |
| 廠商： | NEC Corp. |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| 中文描述： | 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存 |
| 文件頁數(shù)： | 10/52頁 |
| 文件大小： | 345K |
| 代理商： | UPD780824 |
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10
μ
PD780232
Data Sheet U13415EJ2V0DS
3.2 Non-Port Pins
Pin Name
I/O
Function
After
Reset
Alternate
Function
INTP0
Input
External interrupt request input for which the valid edge (rising edge,
falling edge, or both rising and falling edges) can be specified.
Input
P00
INTP1
P01
TI
Input
8-bit remote control timer 9 (TM9) timer input
Input
P02
SCK3
I/O
Serial interface serial clock input/output
Input
P20
SO3
Output
Serial interface serial data output
Input
P21
BUSY
Input
Serial interface automatic transmit/receive busy signal input
Input
P24
SO1
Output
Serial interface serial data output
Input
P25
SI1
Input
Serial interface serial data input
Input
P26
SCK1
I/O
Serial interface serial clock input/output
Input
P27
FIP0 to FIP23
Output
VFD controller/driver high-tolerance large current output.
A pull-down resistor can be incorporated to V
LOAD
in 1-bit units by a mask
option.
Output
—
FIP24 to FIP31
P30 to P37
FIP32 to FIP39
P40 to P47
FIP40 to FIP47
Input
P50 to P57
FIP48 to FIP52
P60 to P64
V
LOAD
—
Connecting pull-down resistor for VFD controller/driver
—
—
RESET
Input
System reset input
—
—
X1
Input
Connecting crystal resonator for system clock oscillation
—
—
X2
—
—
—
ANI0 to ANI3
Input
A/D converter analog input
Input
—
AV
DD
—
A/D converter analog power supply/reference voltage input.
Make the same potential as V
DD1
.
—
—
AV
SS
—
A/D converter ground potential. Make the same potential as V
SS1
.
—
—
V
DD0
—
Positive power supply for ports
—
—
V
DD1
—
Positive power supply except for ports, analog block, and VFD controller/driver
—
—
V
DD2
—
Positive power supply for VFD controller/driver
—
—
V
SS0
—
Ground potential for ports
—
—
V
SS1
—
Ground potential except for ports and analog block
—
—
IC
—
Internally connected. Connect directly to V
SS1
.
—
—
VFD controller/driver high-tolerance large current output.
A pull-down resistor can be incorporated in 1-bit units by a mask option
(Connection to V
LOAD
or V
SS0
can be specified in 1-bit units).
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