參數(shù)資料
型號(hào): TMX320F2810PGFS
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號(hào)處理
英文描述: DIGITAL SIGNAL PROCESSORS
中文描述: 數(shù)字信號(hào)處理器
文件頁數(shù): 53/103頁
文件大?。?/td> 1341K
代理商: TMX320F2810PGFS
TMS320F2810, TMS320F2812
DIGITAL SIGNAL PROCESSORS
SPRS174B
APRIL 2001
REVISED SEPTEMBER 2001
53
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
1443
watchdog block (continued)
When the XRS line is low, the WDFLAG bit is forced low. The WDFLAG bit will only be set if a rising edge on
WDRST signal is detected (after synch and a 4 cycle delay) and the XRS signal is high. If the XRS signal is low
when WDRST goes high, then the WDFLAG bit will remain at 0. In a typical application, the WDRST signal will
connect to the XRS input. Hence to distinguish between a watchdog reset and an external device reset, an
external reset must be longer in duration then the watchdog pulse.
Emulation Considerations
The watchdog module behaves as follows under various debug conditions:
CPU Suspended:
When the CPU is suspended, the watchdog clock (WDCLK) is
suspended.
When the CPU is placed in run-free mode, then the watchdog module
resumes operation as normal.
When the CPU is in real-time single-step mode, the watchdog clock
(WDCLK) is suspended. The watchdog remains suspended even within
real-time interrupts.
When the CPU is in real-time run-free mode, the watchdog operates as
normal.
Run-Free Mode:
Real-Time Single-Step Mode:
Real-Time Run-Free Mode:
P
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