ML610Q409-NNNTBZ03A7 Rohm Semiconductor, ML610Q409-NNNTBZ03A7 Datasheet - Page 248

• Manufacturer Part Number: ML610Q409-NNNTBZ03A7
• Description: MCU 8BIT 16K FLASH 4CH 100-TQFP
• Manufacturer: Rohm Semiconductor
• Series: -r

Specifications of ML610Q409-NNNTBZ03A7

• Core Processor: nX-U8/100
• Core Size: 8-Bit
• Speed: 2MHz
• Connectivity: SSP, UART/USART
• Peripherals: LCD, Melody Driver, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: -
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 1.25 V ~ 3.6 V
• Data Converters: A/D 2x16b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 70°C
• Package / Case: 100-TFQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

17.2.3
Address: 0F221H
Access: R/W
Access size: 8-bit
Initial value: 00H
P4DIR is a special function register (SFR) to select the input/output mode of Port 4.
[Description of Bits]
Initial value
•
P4DIR
Port 4 Direction Register (P4DIR)
R/W
P47DIR to P40DIR (bits 7 to 0)
P47DIR to P40DIR are the bits for selecting the input/output mode of the Port 4 pins.
P47DIR
P46DIR
P45DIR
P44DIR
P43DIR
P42DIR
P41DIR
P40DIR
P47DIR
R/W
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
7
0
P46DIR
R/W
6
0
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
P45DIR
R/W
5
0
P44DIR
17-5
R/W
4
0
ML610Q407/ML610Q408/ML610Q409 User's Manual
Description
Description
Description
Description
Description
Description
Description
Description
P43DIR
R/W
3
0
P42DIR
R/W
2
0
P41DIR
R/W
0
1
Chapter 17 Port 4
P40DIR
R/W
0
0