參數(shù)資料
型號: TMP320LF2407APGEA
元件分類: TVS-瞬態(tài)抑制二極管
英文描述: Transient Voltage Suppressor Diodes
中文描述: 數(shù)字信號處理器| 16位|的CMOS | QFP封裝| 144Pin支持|塑料
文件頁數(shù): 68/132頁
文件大?。?/td> 1707K
代理商: TMP320LF2407APGEA
SPRS145G
JULY 2000
REVISED FEBRUARY 2002
68
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
1443
watchdog (WD) timer module (continued)
55 + AA
Detector
System
Reset
Request
WDCNTR.7
0
6-Bit
Free-
Running
Counter
/64
/32
/16
/8
/4
/2
111
110
101
100
011
010
001
000
WDCLK
System
Reset
System Reset
CLR
One-Cycle
Delay
Watchdog
Reset Key
Register
8-Bit Watchdog
Counter
CLR
Bad WDCR Key
Good Key
Bad Key
WDPS
WDCR.2
0
2 1 0
WDKEY.7
0
WDCHK2
0
WDCR.5
3
WDCR.7
WDFLAG
Reset Flag
PS/257
WDDIS
WDCR.6
1 0 1
(Constant
Value)
3
3
On-Chip
Oscillator or
External
Clock
÷
512
PLL
CLKOUT
CLKIN
3-bit
Prescaler
Writing to bits WDCR.5
3 with anything but the correct pattern (101) generates a system reset.
Figure 18. Block Diagram of the WD Module
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