UPD78F9234MC-5A4-A Renesas Electronics America, UPD78F9234MC-5A4-A Datasheet - Page 61

• 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: -

Caution Because the P34 pin functions alternately as the RESET pin, if it is used as an input port pin, the
PU3:
P3:
PM3:
RD:
WR
RD:
WR
WR
WR
function to input an external reset signal to the RESET pin cannot be used. The function of the
port is selected by the option byte. For details, refer to CHAPTER 18 OPTION BYTE.
RD
: Write signal
PORT
PM
PU
Pull-up resistor option register 3
Port register 3
Port mode register 3
Read signal
Read signal
PM32, PM33
PU32, PU33
Output latch
RD
(P32, P33)
Reset
PM3
PU3
P3
Figure 4-6. Block Diagram of P32 and P33
Option
Figure 4-7. Block Diagram of P34
byte
CHAPTER 4 PORT FUNCTIONS
User’s Manual U17446EJ5V0UD
P34/RESET
V
DD
P-ch
P32, P33
59