UPD78F9234MC-5A4-A Renesas Electronics America, UPD78F9234MC-5A4-A Datasheet - Page 67

• 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: -

4.2.6
This is a 1-bit output-only port.
Figure 4-14 shows the block diagram of port 13.
Port 13
PM12:
P12:
RD:
WR
P13:
RD:
WR
Remark When a reset is input, P130 outputs a low level. If P130 outputs a high level immediately after
WR
: Write signal
: Write signal
WR
WR
RD
Port mode register 12
Port register 12
Read signal
Port register 13
Read signal
RD
PORT
PM
PORT
reset is released, the output signal of P130 can be used as a dummy CPU reset signal.
PM121, PM122
(P121, P122)
Output latch
Figure 4-13. Block Diagram of P121 and P122
Output latch
PM12
P12
(P130)
P13
Figure 4-14. Block Diagram of P130
CHAPTER 4 PORT FUNCTIONS
User’s Manual U17446EJ5V0UD
P121/X1,
P122/X2
P130
65