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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  
Table 6 The Values of RST, T and P after RESET  
Reset Type  
T
P
Power on  
1
1
/RESET during Operating mode  
*P  
1
*P  
0
/RESET wake-up during SLEEP mode  
WDT during Operating mode  
0
*P  
0
WDT wake-up during SLEEP mode  
Wake-Up on pin change during SLEEP mode  
0
1
0
*P: Previous status before reset  
Table 7 The Status of T and P Being Affected by Events.  
Event  
Power on  
T
1
1
0
1
1
P
1
1
WDTC instruction  
WDT time-out  
*P  
0
SLEP instruction  
Wake-Up on pin change during SLEEP mode  
0
*P: Previous value before reset  
VDD  
D
CLK  
Q
CLK  
Oscillator  
CLR  
Power-on  
Reset  
Voltage  
Detector  
W DTE  
W DT Timeout  
Setup Time  
RESET  
W DT  
/RESET  
Fig. 9 Block Diagram of Controller Reset  
4.6 Interrupt  
The EM78156E has three falling-edge interrupts listed below:  
(1) TCC overflow interrupt  
(2) Port 6 Input Status Change Interrupt  
(3) External interrupt [(P60, /INT) pin].  
Before the Port 6 Input Status Change Interrupt is enabled, reading Port 6 (e.g. "MOV  
R6,R6") is necessary. Each pin of Port 6 will have this feature if its status changed.  
20 •  
Product Specification (V1.3) 07.29.2004  
(This specification is subject to change without further notice)  
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