D75108CW NEC, D75108CW Datasheet - Page 9

• Manufacturer Part Number: D75108CW
• Description: Search -----> UPD75108CW
• Manufacturer: NEC

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3.
3.1
*1: Circles indicate Schmitt trigger input pins.
2: With drain open: high impedance
3: Can directly drive LEDs.
P120-P123*
P130-P133*
P140-P143*
P30-P33*
P40-P43*
P50-P53*
P60-P63*
P70-P73*
P80-P83*
P90-P93*
Pin Name
PIN FUNCTIONS
With pull-up resistor connected: high level
P20*
P21*
P22*
P23*
P00
P01
P02
P03
P10
P11
P12
P13
PORT PINS
3
3
3
3
3
3
3
3
3
3
3
3
3
3
Input
Input
Input
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Shared with:
PTO0
PTO1
INT4
INT0
INT1
INT2
INT3
SCK
PCL
SO
SI
—
—
—
—
—
—
—
—
—
—
4-bit input port (PORT 0)
4-bit input port (PORT 1)
4-bit I/O port (PORT 2)
4-bit programmable I/O port (PORT 3)
Can be specified for input or output bitwise.
4-bit I/O port (PORT 4)
4-bit I/O port (PORT 5)
4-bit programmable I/O port (PORT 6)
Can be specified for input or output bitwise.
4-bit I/O port (PORT 7)
4-bit I/O port (PORT 8)
4-bit I/O port (PORT 9)
4-bit N-ch open-drain I/O port (PORT 12)
Built-in pull-up resistors can be specified in bit
units by mask option.
Open-drain withstanding voltage: 12 V
4-bit N-ch open-drain I/O port (PORT 13)
Built-in pull-up resistors can be specified in bit
units by mask option.
Open-drain withstanding voltage: 12 V
4-bit N-ch open-drain I/O port (PORT 14)
Built-in pull-up resistors can be specified in bit
units by mask option.
Open-drain withstanding voltage: 12 V
Function
PD75104, 75106, 75108
8-Bit
I/O
o
o
o
o
x
x
–
At Reset
Input*
Input*
Input*
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
2
2
2
TYPE*
Circuit
I/O
M
M
M
B
F
B
B
E
E
E
E
E
E
E
E
E
1
9