STM6513 STMicroelectronics, STM6513 Datasheet - Page 11

• Manufacturer Part Number: STM6513
• Description: Smart reset
• Manufacturer: STMicroelectronics

Specifications of STM6513

• Dual Smart Reset Push-button Inputs With User-selectable Extended Reset Setup Delay (by Three-state Input Logic): tSRC= 2, 6, 10 s (min.)
• Operating Temperature: industrial grade –40 °C to +85 °C
• Tdfn8 Package: 2 mm x 2 mm x 0.75 mm

STM6513
STM6513 hookup with RST1 and RST2, bridging the PS_hold reset pulse during the
microprocessor reset initiated by the STM6513 Smart Reset device:
Figure 4.
Figure 5.
SR0, SR1
RST2 (OD)
POWER
Factory -
programmed
RST1 (PP)
by C tREC
KEY
C tREC
V CC
TREC ADJ
Typical application diagram
Timing waveforms
TSR
PWR
SW
STM6513
PMU
Seq.
logic
V REG
POR initiated
t REC1
PS_hold
LD00
LD07
RST_n
Doc ID 16490 Rev 2
...
RST1 (PP)
RST2 (OD)
SR0
SR1
(~1 s)
t REC2
V REG
100 kΩ
(210 ms)
(PU resistor)
t SRC
Forces PS_hold
reset period
high during
Smart Reset™ initiated
t REC1
PS_hold
GPIO1
RST
(~1 s)
KEY1
t REC2
MCU
Block diagram
GPIOn
(210 ms)
AM00376V2
AM00375a
KEYn
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