參數(shù)資料
型號(hào): EM78P809N
廠商: ELAN Microelctronics Corp .
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 57/75頁
文件大?。?/td> 531K
代理商: EM78P809N
EM78P809N
8-Bit Microcontroller
Product Specification
(V1.0) 07.26.2005
(This specification is subject to change without further notice)
53
General Purpose Registers
Address Name
Reset Type
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit Name
Power-On
/RESET and WDT time out
Wake-Up from SLEEP, IDLE mode
-
U
P
P
-
U
P
P
-
U
P
P
-
U
P
P
-
U
P
P
-
U
P
P
-
U
P
P
-
U
P
P
0x10
~
0x3F
R10
~
R3F
X: Not used. U: Unknown or don’t care. P: Previous value before reset. t: Check Table 7
(*) 0: Wake-Up from SLEEP P: Wake-Up from IDLE
4.14.4
The Status of RST, T, and P of STATUS Register
The values of T and P are used to verify the event that triggered the processor to wake
up. Table 7 shows the events that may affect the status of T and P.
Table 7. The Values of RST, T and P after RESET
Reset Type
T
P
Power on
1
1
/RESET during Operation mode
*P
*P
/RESET wake-up during SLEEP mode
*P
*P
/RESET wake-up during IDLE mode
*P
*P
WDT during Operation mode
0
*P
WDT wake-up during SLEEP mode
0
*P
WDT wake-up during IDLE mode
0
*P
*P: Previous status before reset
Table 8 The Events that may Affect the T and P Status
Event
T
P
Power on
1
1
WDTC instruction
1
1
WDT time-out
0
*P
SLEP instruction
1
0
Wake-Up during SLEEP mode
*P
*P
*P: Previous value before reset
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