参数资料
型号: ST6242B
英文描述: 8-BIT MICROCONTROLLER ( MCU ) WITH OTP. ROM. FASTROM. EPROM. LCD DRIVER. EEPROM. A/D CONVERTER AND 64 PINS
中文描述: 8位微控制器(MCU)的与检察官办公室。光盘。 FASTROM。存储器。液晶显示驱动程序。 EEPROM中。的A / D转换器和64个
文件页数: 38/74页
文件大小: 733K
代理商: ST6242B
38/74
ST62T46B/E46B
I/O PORTS
(Cont’d)
4.1.5 I/O Port Option Registers
ORA/B/C (CCh PA, CEh 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.
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.
7
0
Px7
Px6
Px5
Px4
Px3
Px2
Px1
Px0
7
0
Px7
Px6
Px5
Px4
Px3
Px2
Px1
Px0
7
0
Px7
Px6
Px5
Px4
Px3
Px2
Px1
Px0
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