Datasheet

Description STM690A/692A/703/704/802/805/817/818/819
10/43 Doc ID 10522 Rev 10
Figure 7. Block diagram (STM690A/692A/802/805/817)
1. For STM805, reset output is active-high.
Table 3. Pin description
Pin
Name Function
STM818
STM690A
STM692A
STM802
STM817
STM703
STM704
STM819
STM805
--6-MR
Push-button reset input
6 6 - 6 WDI Watchdog input
777 -RSTActive-low reset output
- - - 7 RST Active-high reset output
1111V
OUT
Supply output for external LPSRAM
2222V
CC
Supply voltage
8888V
BAT
Backup battery input
4-- -E
Chip-enable input
5-- -E
CON
Conditioned chip-enable output
- 4 4 4 PFI Power-fail input
-555PFOPower-fail output (push-pull)
3333V
SS
Ground
AI07897
WATCHDOG
TIMER
V
RST
V
OUT
COMPARE
COMPARE
COMPARE
t
rec
Generator
V
PFI
V
BAT
V
SO
V
CC
PFI
WDI
RST(RST)
(1)
PFO