Description
STM6321/6322STM6821/6822/6823/6824/6825
Figure 7. Block diagram (STM6821/6822/6823)
WDI
WDI
Transitional
Detector
WATCHDOG
TIMER
VCC
VCC
VRST
COMPARE
MR
1. Push-pull for STM6823, open drain for STM6822.
2. Active-high (push-pull) for STM6821.
trec
Generator
RST (RST)(1,2)
AI09132a
Figure 8. Block diagram (STM6321/6824)
WDI
WDI
Transitional
Detector
WATCHDOG
TIMER
VCC
VRST
COMPARE
trec
Generator
RST(1)
RST(2)
A12287
3. Active-low (open drain) for STM6321, active-low (push-pull) for STM6824.
4. Push-pull only.
Figure 9. Block diagram (STM6322/6825)
VCC
MR
VCC
VRST
COMPARE
trec
Generator
RST(1)
RST(2)
AI12288
1. Active-low (open drain) for STM6322, active-low (push-pull) for STM6825.
2. Push-pull only.
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