UPD75008 データシートの表示（PDF） - NEC => Renesas Technology
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UPD75008 Datasheet PDF : 66 Pages
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µPD75004, 75006, 75008
3. PIN FUNCTIONS
3.1 PORT PINS (1/2)
Pin Name Input/Output Also Served
As
P00
Input
INT4
Function
8-Bit I/O When Reset
Input/
Output
Circuit
TYPE*1
B
P01
P02
P03
P10
P11
P12
P13
P20
P21
P22
P23
P30*2
P31*2
P32*2
P33*2
Input/
Output
Input/
Output
Input/
Output
Input
Input/
Output
Input/
Output
P40-43*2
Input/
Output
P50-53*2
Input/
Output
SCK
4-bit input port (PORT0)
Pull-up resistors can be specified in 3-bit X
SO/SB0
units for the P01 to P03 pins by software.
SO/SB1
INT0
INT1
INT2
TI0
PTO0
—
PCL
BUZ
—
—
—
—
—
—
With noise elimination function
4-bit input port (PORT1)
Internal pull-up resistors can be
X
specified in 4-bit units by software.
4-bit input/output port (PORT2)
Internal pull-up resistors can be
X
specified in 4-bit units by software.
Programmable 4-bit input/output port
(PORT3)
This port can be specified for input/
output in bit units.
X
Internal pull-up resistors can be
specified in 4-bit units by software.
N-ch open-drain 4-bit input/output port
(PORT4)
Internal pull-up resistors can be
specified in bit units. (mask option)
Resistive voltage is 10 V in the open-
drain mode.
q
N-ch open-drain 4-bit input/output port
(PORT5)
Internal pull-up resistors can be
specified in bit units. (mask option)
Resistive voltage is 10 V in the open-
drain mode.
*1: Circles indicate Schmitt trigger inputs.
2: Can directly drive LED.
Input
Input
Input
Input
High level
(with internal
pull-up
resistor) or
high imped-
ance
High level
(with internal
pull-up
resistor) or
high imped-
ance
F -A
F -B
M -C
B -C
E-B
E-B
M
M
9
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