upd75112 Renesas Electronics Corporation., upd75112 Datasheet - Page 8

• Manufacturer Part Number: upd75112
• Description: 4-bit Single Chip-microcomputer
• Manufacturer: Renesas Electronics Corporation.

8
3. Pin Functions
3.1 Port Pins
Pin Name
PD75112, 75116
P123 *3
P133 *3
P143 *3
P120 to
P130 to
P140 to
P20 *3
P21 *3
P22 *3
P23 *3
P33 *3
P43 *3
P53 *3
P63 *3
P73 *3
P83 *3
P93 *3
P30 to
P40 to
P50 to
P60 to
P70 to
P80 to
P90 to
P00
P01
P02
P03
P10
P11
P12
P13
* 1: Circles indicate Schmitt trigger inputs.
2: High impedance for open drain
Input/ Output
Input/output
Input/output
Input/output
Input/output
Input/output
Input/output
Input/output
Input/output
Input/output
Input/output
Input/output
Input/output
Input/output
Input
Input
Input
Dual Function Pin
PTO0
PTO1
INT4
INT0
INT1
INT2
INT3
SCK
PCL
SO
SI
4-bit input port (PORT0)
4-bit input port (PORT1)
4-bit input/output port (PORT2)
Programmable 4-bit input/output
port (PORT3)
Bit-wise input/output setting enable
4-bit input/output port (PORT4)
4-bit input/output port (PORT5)
Programmable 4-bit input/output
port (PORT6)
Bit-wise input/output setting enable
4-bit input/output port (PORT7)
4-bit input/output port (PORT8)
4-bit input/output port (PORT9)
N-ch open drain 4-bit input/ output
port (PORT12)
Bit-wise pull-up resistor incorporation
enable
(mask option)
2 V withstand for open drain
N-ch open drain 4-bit input/ output
port (PORT13)
Bit-wise pull-up resistor incorporation
enable
(mask option)
12 V withstand for open drain
N-ch open drain 4-bit input/output
port (PORT14)
Bit-wise pull-up resistor incorporation
enable
(mask option)
12 V withstand for open drain
Function
3: LED direct drive is possiblle
High level for on-chip pull-up resistors
8-Bit I/O
At Reset
Input*2
Input*2
Input*2
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
I/O Circuit
Type *1
M
M
M
B
E
B
B
E
E
E
E
E
E
E
E
F