UPD78064YGF-XXX-3BA(1992) Просмотр технического описания (PDF) - NEC => Renesas Technology
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UPD78064YGF-XXX-3BA Datasheet PDF : 42 Pages
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mPD78062Y,78063Y,78064Y
3. PIN FUNCTIONS
3.1 PORT PINS (1/2)
Pin Name
I/O
P00
P01
P02
P03
P04
P05
P07*1
Input
Input/
output
Input
P10 to P17 Input/
output
P25
P26
Input/
output
P27
P30
P31
P32
P33
Input/
P34
output
P35
P36
P37
P70
P71
Input/
output
P72
Function
Input only
Port 0
7-bit I/O port.
Input/output can be specified bit-wise.
When used as an input port, pull-up
resistor can be con-nected by software.
Input only
Port 1
8-bit input/output port.
Input/output can be specified bit-wise.
When used as an input port, pull-up resistor can be connected by
software.*2
Port 2
3-bit input/output port.
Input/output can be specified bit-wise.
When used as an input port, pull-up resistor can be connected by
software.
Port 3
8-bit input/output port.
Input/output can be specified bit-wise.
When used as an input port, pull-up resistor can be connected by
software.
Port 7
3-bit input/output port.
Input/output can be specified bit-wise.
When used as an input port, pull-up resistor can be connected by
software.
Dual-
After Reset Function Pin
Input
INTP0/TI00
INTP1/TI01
Input
INTP2
INTP3
INTP4
INTP5
Input
XT1
Input
ANI0 to
ANI7
Input
Input
Input
SI0/SB0/SDA0
SO0/SB1/
SDA1
SCK0/SCL
TO0
TO1
TO2
TI1
TI2
PCL
BUZ
——
SI2/RxD
SO2/TxD
SCK2/
ASCK
* 1.
2.
When using the P07/XT1 pins as an input port, set (1) bit 6 (FRC) of the processor clock control register (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, pull-up resistor is not automatically used.
9
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