ML610Q428-NNNTBZ03A7 Rohm Semiconductor, ML610Q428-NNNTBZ03A7 Datasheet - Page 255

• 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: -

19.2.3
Address: 0F219H
Access: R/W
Access size: 8 bits
Initial value: 00H
P3DIR is a special function register (SFR) to select the input/output mode of Port 3.
[Description of Bits]
• P35DIR-P30DIR (bits 5-0)
Initial value
The P35DIR to P30DIR pins are used to set the input/output direction of the Port 3 pin.
P3DIR
R/W
Port 3 Direction Register (P3DIR)
P35DIR
P34DIR
P33DIR
P32DIR
P31DIR
P30DIR
0
1
0
1
0
1
0
1
0
1
0
1
R/W
⎯
7
0
R/W
⎯
P35 pin: Output (initial value)
P35 pin: Input
P34 pin: Output (initial value)
P34 pin: Input
P33 pin: Output (initial value)
P33 pin: Input
P32 pin: Output (initial value)
P32 pin: Input
P31 pin: Output (initial value)
P31 pin: Input
P30 pin: Output (initial value)
P30 pin: Input
0
6
P35DIR
R/W
5
0
P34DIR
R/W
19 – 5
4
0
Description
Description
Description
Description
Description
Description
P33DIR
R/W
3
0
ML610Q428/ML610Q429 User’s Manual
P32DIR
R/W
2
0
P31DIR
R/W
0
1
Chapter 19 Port 3
P30DIR
R/W
0
0