STEVAL-ISB005V1 STMicroelectronics, STEVAL-ISB005V1 Datasheet - Page 45

• Manufacturer Part Number: STEVAL-ISB005V1
• Description: BOARD EVAL CHARGER ST7260/L6924D
• Manufacturer: STMicroelectronics
• Type: Battery Managementr

Specifications of STEVAL-ISB005V1

• Main Purpose: Power Management, Battery Charger
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: L6924, ST72F63BK6M1
• Primary Attributes: 1 Cell- Li-Ion / Li-Pol, 5 V (USB Input)
• Secondary Attributes: Powered by Wall Adaptor Also, LED Status Indicators
• Input Voltage: 5 V
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: L6924D, ST7260
• Other names: 497-8428

ST7260xx
Note:
12.3.1
12.3.2
1
2
Figure 23. Watchdog block diagram
Table 23.
Following a reset, the watchdog is disabled. Once activated it cannot be disabled, except by
a reset.
The T6 bit can be used to generate a software reset (the WDGA bit is set and the T6 bit is
cleared).
Software watchdog option
If Software Watchdog is selected by option byte, the watchdog is disabled following a reset.
Once activated it cannot be disabled, except by a reset.
The T6 bit can be used to generate a software reset (the WDGA bit is set and the T6 bit is
cleared).
Hardware watchdog option
If Hardware Watchdog is selected by option byte, the watchdog is always active and the
WDGA bit in the CR is not used.
Max
Min
f
CPU
Watchdog timing (f
WDGA
RESET
CR register initial value
T6
FFh
C0h
CPU
T5
WATCHDOG CONTROL REGISTER (CR)
7-BIT DOWNCOUNTER
= 8 MHz)
CLOCK DIVIDER
T4
÷49152
T3
T2
WDG timeout period (ms)
T1
Watchdog timer (WDG)
393.216
T0
6.144
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