參數(shù)資料
型號(hào): μPD78P0308Y
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8 Bit Single Chip Microcontrollers
中文描述: 8位單片機(jī)微控制器
文件頁(yè)數(shù): 15/70頁(yè)
文件大?。?/td> 552K
代理商: ΜPD78P0308Y
μ
PD78P0308Y
15
Preliminary Data Sheet
Pin Name
Input/Output
Function
After Reset
Alternate Function
P00
Input
Port 0
Input only
Input
INTP0/TI00
P01
Input/output
7-bit input/output port
Input/output is specifiable
Input
INTP1/TI01
P02
bit-wise. When used as the
INTP2
P03
input port, on-chip pull-up
INTP3
P04
resistor connection can be
INTP4
P05
specified by means of software.
INTP5
P07
Note 1
Input
Input only
Input
XT1
P10-P17
Input/output
Port 1
Input
ANI0-ANI7
8-bit input/output port
Input/output is specifiable bit-wise.
When used as the input port, on-chip pull-up resistor
connection can be specified by means of software.
Note 2
P25
Input/output
Port 2
Input
SI0/SB0/SDA0
3-bit input/output port
Input/output is specifiable bit-wise.
When used as the input port, on-chip pull-up resistor
connection can be specified by means of software.
P30
Input/output
Port 3
Input
TO0
P31
8-bit input/output port
TO1
P32
Input/output is specifiable bit-wise.
TO2
P33
When used as the input port, on-chip pull-up resistor
TI1
P34
connection can be specified by means of software.
TI2
P35
PCL
P36
BUZ
P37
2.
PIN FUNCTIONS
2.1
Pins in Normal Operating Mode
(1)
Port pins (1/2)
Notes 1.
When P07/XT1 pins are used as the input ports, set bit 6 (FRC) of the processor clock control register
(PCC) to 1, and be sure not to use the feedback resistor of the subsystem clock oscillator.
When P10/ANI0-P17/ANI7 pins are used as the analog inputs for the A/D converter, shift port 1 to input
mode. The on-chip pull-up resistor is automatically disabled.
2.
P26
P27
SO0/SB1/SDA1
SCK0/SCL
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