October 2006
rev 1.6
ASM1832
Pin Configuration
1
8
7
6
5
VCC
PBRST
2
3
ST
TD
ASM1832
TOL
RESET
RESET
4
GND
Pin Description
Pin #
8-Pin Package
Pin Name
PBRST
TD
Function
Debounced manual pushbutton reset input.
1
2
Watchdog time delay selection. (tTD = 150ms for TD = GND, tTD = 610ms for
TD=Open, and tTD = 1200ms for TD = VCC).
Selects 10% (TOL connected to GND) or 20% (TOL connected to VCC) trip point
tolerance.
3
4
TOL
GND
Ground.
Active HIGH reset output. RESET is active:
1. If VCC falls below the reset voltage trip point.
5
RESET
2. If PBRST is LOW.
3. If ST is not strobed LOW before the timeout period set by TD expires.
4. During power-up.
6
7
8
RESET
ST
Active LOW reset output. (See RESET).
Strobe input.
VCC
3.3V power.
3.3V µP Power Supply Monitor and Reset Circuit
2 of 9
Notice: The information in this document is subject to change without notice
PULSECORE [ PulseCore Semiconductor ]
