T81L0006B TM Technology Inc., T81L0006B Datasheet - Page 15
T81L0006B
Manufacturer Part Number
T81L0006B
Description
8-bit A/d Type Mcu
Manufacturer
TM Technology Inc.
Datasheet
1.T81L0006B.pdf
(23 pages)
- Current page: 15 of 23
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tm
TE
CH
T81L0006A/B
! WDT Reset
A high on reset pin or watchdog reset request for two clock cycles while the oscillator is running resets the device.
Diagram
b) Watchdog timer reset
0000H
7FFBH
7FFCH
Figure Watchdog reset timing
**Note :
clk: external clock input
Tclk: clock period
wdt: watchdog timer registers
wdts: watchdog timer status flag
reset: external reset input
rst: internally generated reset signal
!
Reset Time Formula
Reset time=(7FFCh-wdth.wdtl)*presc*48/ClockFrequency
while presc=16 if wdtrel.7=1, presc=1 if wdtrel.7=0.
For example if you use frequency clock=12MHz, wdtrel=10111111b which means wdtrel.7=1 and wdth=3Fh
Then reset time= (7FFCh-3F00h)*48/12M=66544 us
TM Technology Inc. reserves the right
P. 15
Publication Date: JAN. 2006
to change products or specifications without notice.
Revsion : C
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