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參數(shù)資料
| 型號(hào)： | SM8952A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 8 - Bit Micro-controller with 4/8KB flash embedded |
| 中文描述： | 8 -位微控制器與4/8KB嵌入式閃存 |
| 文件頁(yè)數(shù)： | 6/17頁(yè) |
| 文件大小： | 413K |
| 代理商： | SM8952A |
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Specifications subject to change without notice,contact your sales representatives for the most recent information.
6/17
Preliminary
Ver 0.2
PID 8951A/8952A 09/02
SyncMOS Technologies Inc. SM8951A/8952A
Preliminary
DONOTCOPY
function will inhibit the clock signal in Fosc/6Hz output to the ALE pin. This function is available when there is
no external program memory or no external data RAM in the system.
Watch Dog Timer Registers - WDT Control Register (WDTC, $9F)
WDTE : Watch Dog Timer enable bit
CLEAR : Watch Dog Timer reset bit
PS2 ~ PS0 : clock source divider bit
PS [2:0]
Divider (OSC in)
Time Period (ms) @40MHZ
000
8
13.1
001
16
26.21
010
32
52.42
011
64
104.8
100
128
209.71
101
256
419.43
110
512
838.86
111
1024
1677.72
Watch Dog Timer Register - System Control Register (SCONF, $BF)
The bit 7(WDR) of SCONF is Watch Dog Timer Reset bit. It will be set to 1 when reset signal generated
by WDT overflow. User should check WDR bit whenever un-predicted reset happened.
Reduce EMI Function
The SM8951A/8952A allows user to reduce the EMI emission by setting 1 to the bit 0 (ALEI) of SCONF register. This
WDTE
Unused
CLEAR
Unused
Unused
PS2
PS1
PS0
0
*
0
*
*
0
0
0
WDR
Unused
Unused
Unused
Unused
Unused
Unused
ALEI
0
*
*
*
*
*
*
0
Reset
value
MSB
LSB
Reset
value
MSB
LSB
WDR : Watch Dog Timer Reset. When system reset by Watch Dog Timer overflow, WDR will be set to 1
ALEI : ALE output inhibit bit, to reduce EMI
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SM8958A | 8 - Bit Micro-controller with 32KB flash & 1KB RAM embedded |
| SM8958AC25 | 8 - Bit Micro-controller with 32KB flash & 1KB RAM embedded |
| SM8958AC40 | 8 - Bit Micro-controller with 32KB flash & 1KB RAM embedded |
| SM8958AL25 | 8 - Bit Micro-controller with 32KB flash & 1KB RAM embedded |
| SM8958C25 | 8-bit Micro-controller with 32K Flash embedded |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SM8952AC25 | 制造商:SYNCMOS 制造商全稱:SYNCMOS 功能描述:8-Bits Micro-controller With 4/8KB flash embedded |
| SM8952AC40 | 制造商:SYNCMOS 制造商全稱:SYNCMOS 功能描述:8-Bits Micro-controller With 4/8KB flash embedded |
| SM8952AL25 | 制造商:SYNCMOS 制造商全稱:SYNCMOS 功能描述:8-Bits Micro-controller With 4/8KB flash embedded |
| SM8952BW40PP | 制造商:SYNCMOS 制造商全稱:SYNCMOS 功能描述:SM8952B 8-Bit Micro-controller 8KB Flash & 256B RAM embedded |
| SM8952BW44JP | 制造商:SYNCMOS 制造商全稱:SYNCMOS 功能描述:SM8952B 8-Bit Micro-controller 8KB Flash & 256B RAM embedded |
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