參數(shù)資料
型號(hào): UPD78P368A
廠商: NEC Corp.
英文描述: 16/8 BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 16 / 8位單片機(jī)
文件頁數(shù): 11/52頁
文件大小: 545K
代理商: UPD78P368A
11
m
PD78P368A
1.3 INPUT/OUTPUT CIRCUIT TYPE FOR EACH PIN AND HANDLING OF UNUSED PINS
Table 1-1 lists the input and output circuit type for each pin and how to handle it when it is not used. Fig. 1-1 shows
the circuits.
Table 1-1
Input/Output Circuit Type for Each Pin and Recommended Connection Methods for Unused
Pins
Recommended connection method
I/O circuit type
Pin
5-A
2
2-A
5-A
8-A
5-A
9
5-A
5
19
1
2
P00/RTP0-P03/RTP3
P04/PWM0
P05/TCUD/PWM1
P06/TIUD/TO40
P07/TCLRUD
P10-P17
P20/NMI
P21/INTP0
P22/INTP1
P23/INTP2
P24/INTP3/TI
P25/INTP4
P30/TxD0
P31/RxD0
P32/SO/SB0
P33/SI/SB1
P34/SCK
P35/TxD1
P36/RxD1
P40/AD0-P47/AD7
P50/A8-P57/A15
P70/ANI0-P77/ANI7
P80/TO00-P85/TO05
P90/RD
P91/WR
P92, P93
ASTB
WDTO
MODE0, MODE1
RESET
AV
REF
, AV
SS
AV
DD
Input state:
Each pin is connected to the V
DD
or
V
SS
pin via a separate resistor.
Open
Output state:
Connected to the V
SS
pin.
Input state:
Each pin is connected to the V
DD
or
V
SS
pin via a separate resistor.
Open
Output state:
Connected to the V
SS
pin.
Input state:
Each pin is connected to the V
DD
or
V
SS
pin via a separate resistor.
Open
Output state:
Connected to the V
SS
pin.
Connected to the V
SS
pin.
Connected to the V
DD
pin.
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