參數(shù)資料
型號(hào)： μPD780306
廠商： NEC Corp.
英文描述： 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述： 8位單片機(jī)微控制器（8位單片微控制器）
文件頁(yè)數(shù)： 11/70頁(yè)
文件大?。?/td> 525K
代理商： ΜPD780306
μ
PD780306, 780308
11
3.
PIN FUNCTIONS
3.1
PORT PINS (1/2)
Dual-
Function Pin
Pin Name
I/O
Input only
Port 1
8-bit input/output port.
Input/output can be specified bit-wise.
When used as an input port, internal pull-up resistor can be used by
software.
Note 2
Input
P25
P26
P27
P30
P31
P32
P33
P34
P35
P36
P37
Port 7
3-bit input/output port.
Input/output can be specified bit-wise.
When used as an input port, internal pull-up resistor can be used by
software.
P00
P01
P02
P03
P04
P05
P07
Note 1
P10-P17
Input
Input only
Input
INTP0/TI00
INTP1/TI01
INTP2
INTP3
INTP4
INTP5
XT1
ANI0-ANI7
Input
P70
P71
P72
Input
Input
Input
Input
Input
Port 3
8-bit input/output port.
Input/output can be specified bit-wise.
When used as an input port, internal pull-up resistor can be used by
software.
Input/
output
Input/
output
Port 2
3-bit input/output port.
Input/output can be specified bit-wise.
When used as an input port, internal pull-up resistor can be used by
software.
Input/
output
Input/
output
Input/output can be specified bit-wise.
When used as an input port, internal pull-up
resistor can be used by software.
Port 0
7-bit Input/output port.
Input/
output
Notes 1.
When using the P07/XT1 pins as an input port, set (1) bit 6 (FRC) of the processor clock control register (PCC)
(the on-chip feedback resistor of the subsystem clock oscillator should not be used).
When using the P10/ANI0 to P17/ANI7 pins as the A/D converter analog input, port 1 is set to input mode.
However, internal pull-up resistor is not automatically used.
2.
SO0/SB1
SI0/SB0
SCK0
Function
On Reset
TO0
TO1
TO2
TI1
TI2
PCL
BUZ
—
SI2/RxD
SO2/TxD
SCK2/ASCK
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