Datasheet

Description STM6904
6/20 Doc ID 14289 Rev 3
Table 2. Signal names and functions
Pin Name Type Function
1MR
Input Active-low manual reset input with internal pull-up resistor
2V
CC
Supply
Primary supply voltage input and integrated fixed threshold under-
voltage monitor
3 V2IN Input Second fixed threshold input monitor
4V
SS
Supply Ground
5 V3IN Input Adjustable third reset comparator input
6 V4IN Input Adjustable fourth reset comparator input
7TR
SEL
Input
Controls selectable t
REC
. Two t
REC
options available.
If pin is tied high (V
CC
), t
REC
= 420 ms
If pin is tied low (V
SS
), t
REC
= 210 ms
Note: Pin must be tied to V
CC
or V
SS
(do not float)
8RST
Output Active-low open drain reset output (10 kΩ internal pull-up)