UPD78F9234MC-5A4-A Renesas Electronics America, UPD78F9234MC-5A4-A Datasheet - Page 23

• Manufacturer Part Number: UPD78F9234MC-5A4-A
• Description: MCU 8BIT 8KB FLASH 30PIN
• Manufacturer: Renesas Electronics America
• Series: 78K0S/Kx1+r

Specifications of UPD78F9234MC-5A4-A

• Core Processor: 78K0S
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

2.1 Pin Function List
Note For settings of alternate function, refer to CHAPTER 18 OPTION BYTE.
Caution The P121/X1 and P122/X2 pins are pulled down during reset.
P00 to P03
P20 to P23
P30
P31
P32
P33
P34
P40
P41
P42
P43
P44
P45
P46
P47
P120
P121
P122
P123
P130
(1) Port pins
Pin Name
Note
Note
Note
I/O
I/O
I/O
Input
I/O
I/O
Output
I/O
Port 0.
4-bit I/O port.
Can be set to input or output mode in 1-bit units.
An on-chip pull-up resistor can be connected by setting software.
Port 2.
4-bit I/O port.
Can be set to input or output mode in 1-bit units.
An on-chip pull-up resistor can be connected by setting software.
Port 3
Port 4.
8-bit I/O port.
Can be set to input or output mode in 1-bit units.
An on-chip pull-up resistor can be connected by setting software.
Port 12.
4-bit I/O port.
Can be set to input or output mode in 1-bit units.
An on-chip pull-up resistor can be connected only to P120 and
P123 by setting software.
Port 13.
1-bit output-only port
CHAPTER 2 PIN FUNCTIONS
User’s Manual U17446EJ5V0UD
Can be set to input or output mode in 1-
bit units.
An on-chip pull-up resistor can be
connected by setting software.
Input only
Function
After Reset
Input
Input
Input
Input
Input
Input
Output
ANI0 to ANI3
TI000/INTP0
TI010/TO00/
INTP2
RESET
INTP3
TOH1
TxD6/INTP1
RxD6
X1
X2
Function Pin
Note
Note
Alternate-
Note
21