ST6246 查看數據表（PDF） - STMicroelectronics

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ST6246

8-BIT OTP/EPROM MCU WITH LCD DRIVER, EEPROM AND A/D CONVERTER

STMicroelectronics 

ST62T46B/E46B

I/O PORTS (Cont’d)

4.1.5 I/O Port Option Registers

ORA/B/C (CCh PA, CDh PB, CFh PC)

Read/Write

7

0

Px7 Px6 Px5 Px4 Px3 Px2 Px1 Px0

4.1.7 I/O Port Data Registers

DRA/B/C (C0h PA, C1h PB, C3h PC)

Read/Write

7

0

Px7 Px6 Px5 Px4 Px3 Px2 Px1 Px0

Bit 7-0 = Px7 - Px0: Port A, B, C Option Register

bits.

4.1.6 I/O Port Data Direction Registers

DDRA/B/C (C4h PA, C5h PB, C6h PC)

Read/Write

7

0

Px7 Px6 Px5 Px4 Px3 Px2 Px1 Px0

Bit 7-0 = Px7 - Px0: Port A, B, C Data Registers

bits.

Bit 7-0 = Px7 - Px0: Port A, B, C Data Direction

Registers bits.

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