ST6246 STMICROELECTRONICS [STMicroelectronics], ST6246 Datasheet - Page 38
ST6246
Manufacturer Part Number
ST6246
Description
8-BIT OTP/EPROM MCU WITH LCD DRIVER, EEPROM AND A/D CONVERTER
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST6246.pdf
(72 pages)
- Current page: 38 of 72
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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
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
Bit 7-0 = Px7 - Px0: Port A, B, C Data Direction
Registers bits.
38/72
374
Px7
Px7
7
7
Px6
Px6
Px5
Px5
Px4
Px4
Px3
Px3
Px2
Px2
Px1
Px1
Px0
Px0
0
0
4.1.7 I/O Port Data Registers
DRA/B/C (C0h PA, C1h PB, C3h PC)
Read/Write
Bit 7-0 = Px7 - Px0 : Port A, B, C Data Registers
bits.
Px7
7
Px6
Px5
Px4
Px3
Px2
Px1
Px0
0
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