UPD78F0138HGK-9ET-A Renesas Electronics America, UPD78F0138HGK-9ET-A Datasheet - Page 100

• Manufacturer Part Number: UPD78F0138HGK-9ET-A
• Description: MCU 8BIT 60K FLASH 64TQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0/Kx1+r

Specifications of UPD78F0138HGK-9ET-A

• Core Processor: 78K/0
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: 3-Wire SIO, LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 42
• Program Memory Size: 60KB (60K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

4.2.5 Port 4
using port mode register 4 (PM4). Use of an on-chip pull-up resistor can be specified in 1-bit units with pull-up resistor
option register 4 (PU4).
98
Port 4 is a 4-bit I/O port with an output latch. Port 4 can be set to the input mode or output mode in 1-bit units
RESET input sets port 4 to input mode.
Figure 4-14 shows a block diagram of port 4.
PU4:
PM4:
RD:
WR
WR
WR
WR
: Write signal
RD
PORT
Pull-up resistor option register 4
Port mode register 4
Read signal
PM
PU
PU40 to PU43
PM40 to PM43
(P40 to P43)
Output latch
PM4
PU4
Figure 4-14. Block Diagram of P40 to P43
CHAPTER 4 PORT FUNCTIONS
User’s Manual U16899EJ3V0UD
Selector
EV
DD
P-ch
P40 to P43