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参数资料
| 型号： | SPAKMC332ACFV10 |
| 厂商： | MOTOROLA INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, MICROCONTROLLER, PQFP144 |
| 封装： | QFP-144 |
| 文件页数： | 13/88页 |
| 文件大小： | 446K |
| 代理商： | SPAKMC332ACFV10 |
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MOTOROLA
MC68332
20
MC68332TS/D
3.2.2 System Protection Control Register
The system protection control register controls system monitor functions, software watchdog clock
prescaling, and bus monitor timing. This register can be written only once following power-on or reset,
but can be read at any time.
SWE — Software Watchdog Enable
0 = Software watchdog disabled
1 = Software watchdog enabled
SWP — Software Watchdog Prescale
This bit controls the value of the software watchdog prescaler.
0 = Software watchdog clock not prescaled
1 = Software watchdog clock prescaled by 512
SWT[1:0] — Software Watchdog Timing
This field selects the divide ratio used to establish software watchdog time-out period. The following ta-
ble gives the ratio for each combination of SWP and SWT bits.
HME — Halt Monitor Enable
0 = Disable halt monitor function
1 = Enable halt monitor function
BME — Bus Monitor External Enable
0 = Disable bus monitor function for an internal to external bus cycle.
1 = Enable bus monitor function for an internal to external bus cycle.
BMT[1:0] — Bus Monitor Timing
This field selects a bus monitor time-out period as shown in the following table.
SYPCR —System Protection Control Register
$YFFA21
15
8
7
6
5
4
3
2
1
0
NOT USED
SWE
SWP
SWT
HME
BME
BMT
RESET:
1
MODCLK
0
SWP
SWT
Ratio
000
29
001
211
010
213
011
215
100
218
101
220
110
222
111
224
BMT
Bus Monitor Time-out Period
00
64 System Clocks
01
32 System Clocks
10
16 System Clocks
11
8 System Clocks
相关PDF资料 |
PDF描述 |
|---|---|
| SPAKXC16Z1MFC16 | 16-BIT, 16.78 MHz, MICROCONTROLLER, PQFP132 |
| SPAKXC16Z1VFC20 | 16-BIT, 20 MHz, MICROCONTROLLER, PQFP132 |
| SPAKXC16Z1MFV20 | 16-BIT, 20 MHz, MICROCONTROLLER, PQFP144 |
| SPAKXC16Z1CFC25 | 16-BIT, 25 MHz, MICROCONTROLLER, PQFP132 |
| SPAKXC16Z1VFV20 | 16-BIT, 20 MHz, MICROCONTROLLER, PQFP144 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SPAKMC332ACFV16 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:32-Bit Modular Microcontroller |
| SPAKMC332ACFV20 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:32-Bit Modular Microcontroller |
| SPAKMC332AMFC16 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:32-Bit Modular Microcontroller |
| SPAKMC332AMFC20 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:32-Bit Modular Microcontroller |
| SPAKMC332AMFV16 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:32-Bit Modular Microcontroller |
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