参数资料
型号: ST622XC-KIT
英文描述: STARTER KIT DATASHEET FOR ST620X. ST621X AND ST622X
中文描述: 入门套件部件的ST620X。 ST621X及ST622X
文件页数: 40/84页
文件大小: 969K
代理商: ST622XC-KIT
40/84
ST62T28C/E28C
I/O PORTS
(Cont’d)
4.1.6 I/O Port Option Registers
ORA/B/C/D (CCh PA, CDh PB, CEh PC, CFh PD)
Read/Write
Bit 7-0 =
Px7 - Px0
:
Port A, B, C, and D Option
Register bits.
4.1.7 I/O Port Data Direction Registers
DDRA/B/C/D (C4h PA, C5h PB, C6h PC, C7h PD)
Read/Write
Bit 7-0 =
Px7 - Px0
:
Port A, B, C, and D Data Di-
rection Registers bits.
4.1.8 I/O Port Data Registers
DRA/B/C/D (C0h PA, C1h PB, C2h PC, C3h PD)
Read/Write
Bit 7-0 =
Px7 - Px0
:
Port A, B, C, and D Data Reg-
isters 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
40
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