STM6520 STMicroelectronics, STM6520 Datasheet - Page 8

• Manufacturer Part Number: STM6520
• Description: Push-button controlled smart reset
• Manufacturer: STMicroelectronics

Specifications of STM6520

• Dual Smart Reset™ Push-button Inputs, With User-selectable Extended Reset Setup Delay (by Two-state Input Logic): tSRC = 6, 10 s (min.)
• Operating Temperature: –30 °C to +85 °C
• Tdfn8 Package: 2 mm x 2 mm x 0.75 mm

Typical application diagram
4
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Typical application diagram
Figure 4.
1. DSR pin (pin 5) must be tied to V
2. When only one Smart Reset™ input is used, connect the unused one permanently to V
Figure 5.
1. DSR pin (pin 5) must be tied to V
2. When only one Smart Reset™ input is used, connect the unused one permanently to V
0.1 µF
0.1 µF
C1
C1
Powerkey
Powerkey
RST1 output used for microcontroller reset
RST2 used for interrupting system power
DSR (1)
SR0 (2)
SR1
DSR (1)
SR0 (2)
SR1
V BAT
V BAT
STM6520
STM6520
RST2
RST1
RST2
RST1
CC
CC
Doc ID 15953 Rev 6
or V
or V
SS
SS
.
.
Regulator
EN
System power
System ASIC
System ASIC
Power_on
Power_on
Reset
output
V SYS
Sys_Reset
Sys_Reset
SS
SS
.
.
V SYS
STM6520
MCU
MCU
AM00440c
AM00439c