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參數資料
型號: MC68CK338
廠商: Motorola, Inc.
元件分類: 32位微控制器
英文描述: Highly Integrated, Low-Power, 32-Bit Microcontroller
中文描述: 高度集成,低功耗,32位微控制器
文件頁數: 22/133頁
文件大小: 798K
代理商: MC68CK338
MOTOROLA
22
MC68CK338
MC68CK338TS/D
3.4 System Protection Block
System protection includes a bus monitor, a halt monitor, a spurious interrupt monitor, and a software
watchdog timer. These functions reduce the number of external components required for complete sys-
tem control.
Figure 9
shows the system protection block.
Figure 9 System Protection Block
3.4.1 System Protection Control Register
The system protection control register controls the software watchdog timer, bus monitor, and halt
monitor. 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
SYPCR —
System Protection Control Register
$YFFA21
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
NOT USED
SWE
SWP
SWT[1:0]
HME
BME
BMT
RESET:
1
MODCLK
0
0
0
0
0
0
SYS PROTECT BLOCK
MODULE CONFIGURATION
AND TEST
RESET STATUS
HALT MONITOR
BUS MONITOR
SPURIOUS INTERRUPT MONITOR
SOFTWARE WATCHDOG TIMER
PERIODIC INTERRUPT TIMER
2
9
PRESCALER
CLOCK
IRQ[7:1]
BERR
RESET REQUEST
RESET REQUEST
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PDF描述
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相關代理商/技術參數
參數描述
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MC68CM16Z1 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:M68HC16Z Series
MC68CM16Z1CFC16 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:M68HC16Z Series
MC68CM16Z1CPV16 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:M68HC16Z Series
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