ASM1832S PULSECORE [PulseCore Semiconductor], ASM1832S Datasheet - Page 2

• Manufacturer Part Number: ASM1832S
• Description: 3.3V ?P Power Supply Monitor and Reset Circuit
• Manufacturer: PULSECORE [PulseCore Semiconductor]

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