ST62T45B STMicroelectronics, ST62T45B Datasheet - Page 38
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ST62T45B
Manufacturer Part Number
ST62T45B
Description
8-BIT OTP/EPROM MCU
Manufacturer
STMicroelectronics
Datasheet
1.ST62T45B.pdf
(72 pages)
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ST62T45B/E45B
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
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