ML610Q428-NNNTBZ03A7 Rohm Semiconductor, ML610Q428-NNNTBZ03A7 Datasheet - Page 266

• Manufacturer Part Number: ML610Q428-NNNTBZ03A7
• Description: MCU 8BIT 48K FLASH 128-TQFP
• Manufacturer: Rohm Semiconductor

Specifications of ML610Q428-NNNTBZ03A7

• Core Processor: nX-U8/100
• Core Size: 8-Bit
• Speed: 4.2MHz
• Connectivity: I²C, SSP, UART/USART
• Peripherals: LCD, Melody Driver, POR, PWM, WDT
• Number Of I /o: 14
• Program Memory Size: 48KB (24K x 16)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 1.1 V ~ 3.6 V
• Data Converters: A/D 2x12b, 2x24b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 70°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

20.2.3
Address: 0F221H
Access: R/W
Access size: 8 bits
Initial value: 00H
P4DIR is a special function register (SFR) to select the input/output mode of Port 4.
[Description of Bits]
• P47DIR-P40DIR (bits 7-0)
Initial value
The P47DIR to P40DIR pins are used to set the input/output direction of the Port 4 pin.
P4DIR
R/W
Port 4 Direction Register (P4DIR)
P47DIR
P46DIR
P45DIR
P44DIR
P43DIR
P42DIR
P41DIR
P40DIR
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
P47DIR
R/W
7
0
P46DIR
R/W
P47 pin: Output (initial value)
P47 pin: Input
P46 pin: Output (initial value)
P46 pin: Input
P45 pin: Output (initial value)
P45 pin: Input
P44 pin: Output (initial value)
P44 pin: Input
P43 pin: Output (initial value)
P43 pin: Input
P42 pin: Output (initial value)
P42 pin: Input
P41 pin: Output (initial value)
P41 pin: Input
P40 pin: Output (initial value)
P40 pin: Input
0
6
P45DIR
R/W
5
0
P44DIR
R/W
20 – 5
4
0
Description
Description
Description
Description
Description
Description
Description
Description
P43DIR
R/W
3
0
ML610Q428/ML610Q429 User’s Manual
P42DIR
R/W
2
0
P41DIR
R/W
0
1
Chapter 20 Port 4
P40DIR
R/W
0
0