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參數(shù)資料
| 型號： | μPD78F0034 |
| 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)： | 12/52頁 |
| 文件大?。?/td> | 393K |
| 代理商： | ΜPD78F0034 |
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μ
PD78F0034
12
Preliminary Data Sheet
2.1
Port Pins (2/2)
Pin Name
I/O
Function
After Reset
Alternate
Function
P70
I/O
Input
TI00/TO0
P71
TI01
P72
TI50/TO50
P73
TI51/TO51
P74
PCL
P75
BUZ
2.2
Non-Port Pins (1/2)
Pin Name
I/O
Function
After Reset
Alternate
Function
INTXP0
Input
External interrupt request input by which the effective edge (rising edge,
falling edge, or both rising edge and falling edge) can be specified.
Input
P00
INTP1
P01
INTP2
P02
INTP3
P03/ADTRG
SI30
Input
Serial interface serial data input.
Input
P20
SI31
P34
SO30
Output
Serial interface serial data output.
Input
P21
SO31
P35
SCK30
I/O
Serial interface serial clock input/output.
Input
P22
SCK31
P36
RxD0
Input
Serial data input for asynchronous serial interface.
Input
P23
TxD0
Output
Serial data output for asynchronous serial interface.
Input
P24
ASCK0
Input
Serial clock input for asynchronous serial interface.
Input
P25
TI00
Input
External count clock input to 16-bit timer (TM0).
Capture trigger signal input to TM0 capture register (CR01).
Input
P70/TO0
TI01
Capture trigger signal input to TM0 capture register (CR00).
P71
TI50
External count clock input to 8-bit timer (TM50).
P72/TO50
TI51
External count clock input to 8-bit timer (TM51).
P73/TO51
TO0
Output
16-bit timer (TM0) output.
Input
P70/TI00
TO50
8-bit timer (TM50) output (shared with 8-bit PWM output).
Input
P72/TI50
TO51
8-bit timer (TM51) output (shared with 8-bit PWM output).
P73/TI51
PCL
Output
Clock output (for trimming of main system clock and subsystem clock).
Input
P74
BUZ
Output
Buzzer output.
Input
P75
AD0 to AD7
I/O
Lower address/data bus for extending memory externally.
Input
P40 to P47
A8 to A15
Output
Higher address bus for extending memory externally.
Input
P50 to P57
RD
Output
Strobe signal output for read operation of external memory.
Input
P64
WR
Strobe signal output for write operation of external memory.
P65
WAIT
Input
Inserting wait for accessing external memory.
Input
P66
ASTB
Output
Strobe output which externally latches address information output to
port 4 and port 5 to access external memory.
Input
P67
Port 7
6-bit input/output port.
Input/output can be specified bit-wise.
When used as an input port, an on-chip pull-up resistor can be used by
software.
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