參數(shù)資料
型號(hào): EM785830AAP
廠商: ELAN Microelctronics Corp .
英文描述: 8-BIT MICRO-CONTROLLER
中文描述: 8位微控制器
文件頁(yè)數(shù): 29/43頁(yè)
文件大?。?/td> 396K
代理商: EM785830AAP
EM785830AA
8-bit Micro-controller
__________________________________________________________________________________________________________________________________________________________________
* This specification is subject to be changed without notice.
12/1/2004 V1.6
VII.4 I/O Port
The I/O registers are bi-directional tri-state I/O ports. The I/O ports can be defined as "input" or "output" pins by
the I/O control registers under program control. The I/O data registers and I/O control registers are both readable
and writable. The I/O interface circuit is shown in Fig.11.
Fig.11_1 The circuit of I/O port and I/O control register
Fig.11_2 The input/output circuit of EM785830AA input/output ports
M
U
X
0
1
PDRD
PDWR
CLK
C
L
P
R
D
Q
Q
CLK
C
L
P
R
D
Q
Q
PCWR
IOD
PCRD
PORT
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EM785830AD 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER
EM785830ADQ 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER
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