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| U5021M Datasheet, PDF (2/11 Pages) ATMEL Corporation – DIGITAL WINDOW WATCHDOG TIMER | |||
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Figure 1. Block Diagram with External Ciruit
R1
VDD
OSC 8
C1
Reset 5
RC
Oscillator
C
VDD
10 nF
6
OSC
Micro-
controller
Trigger 2
Mode 3
OSC
Input signal
conditioning
POR
Power-on
reset
Wake-up 1
7
GND
State machine
4
External
switching
Enable circuitry
POR
Test logic
Pin Configuration
Figure 2. Pinning SO8
WAKE-UP 1
TRIG 2
MODE 3
ENA 4
8 OSC
7 GND
6 VDD
5 RESET
2 U5021M
4756CâAUTOâ09/04
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