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EM78156EAS 参数 Datasheet PDF下载

EM78156EAS图片预览
型号: EM78156EAS
PDF下载: 下载PDF文件 查看货源
内容描述: 8位微控制器与MASK ROM [8-Bit Microcontroller with MASK ROM]
分类和应用: 微控制器光电二极管局域网有原始数据的样本ROM
文件页数/大小: 48 页 / 420 K
品牌: ELAN [ ELAN MICROELECTRONICS CORP ]
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EM78156E  
8-Bit Microcontroller with MASK ROM  
R-option mode, the current/power consumption by Rex should be taken into the  
consideration to promote energy conservation.  
The I/O registers and I/O control registers are both readable and writable. The I/O  
interface circuits for Port 5 and Port 6 are shown in the following Figures 6, 7(a), 7(b),  
7(C)and Figure 8.  
PCRD  
P
Q
D
R
PCWR  
CLK  
_
Q
C
L
P
IOD  
PORT  
Q
D
R
PDWR  
CLK  
_
Q
C
L
PDRD  
0
1
M
U
X
NOTE: Pull-down is not shown in the figure.  
Fig. 6 The Circuit of I/O Port and I/O Control Register for Port 5  
P C R D  
P
Q
_
Q
D
R
P C W  
R
R
C L K  
C
L
P 6 0 / I N T  
P O R T  
I O  
D
P
Q
_
Q
D
R
P D W  
C L K  
C
L
B i t  
6 o f I O C E  
0
1
P
D
Q
M
U
X
R
_
Q
C L K  
C
L
T 1 0  
P D R D  
P
D
Q
R
C L K  
_
Q
C
L
I N T  
NOTE: Pull-high (down) and Open-drain are not shown in the figure.  
Fig. 7(a) The Circuit of I/O Port and I/O Control Register for P60(/INT)  
Product Specification (V1.3) 07.29.2004  
13  
(This specification is subject to change without further notice)  
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