STM6600 STMicroelectronics, STM6600 Datasheet - Page 13

• Manufacturer Part Number: STM6600
• Description: Smart push-button on/off controller with smart reset and power-on lockout
• Manufacturer: STMicroelectronics

STM6600 - STM6601
Undervoltage detection
If V
driven low (see
If an undervoltage condition is detected for t
deasserted (see
Hardware reset or power-down while system not responding
If the system is not responding and the system hangs, the PB and SR push-buttons can be
pressed simultaneously longer than t
The t
Standby
If the enable output is deasserted (i.e. EN is low or EN is high), the STM660x device enters
standby mode with low current consumption (see
monitored for the falling edge. The external 1.5 V voltage reference is also disabled in
standby mode.
CC
a)
b)
SRD
voltage drops below V
either the reset output RST is asserted for t
only for the device with option “RST asserted by long push”) – see
or the power is disabled by EN or EN signal (valid only for the device with option
“EN deasserted by long push”) – see
is set by the external capacitor connected to the C
Figure 20
Figure
21).
and
TH-
Doc ID 15453 Rev 10
Figure
voltage threshold during normal operation, the INT output is
DEBOUNCE
21).
DEBOUNCE
Figure 19
+ t
Table
INT_Min
REC
+ t
5). In standby mode PB input is only
INT_Min
and the processor is reset (valid
+ t
SRD
SRD
, and then
+ t
pin.
SRD
, the enable output is
Figure 18
Operation
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