STEVAL-ISB005V1 STMicroelectronics, STEVAL-ISB005V1 Datasheet - Page 33
![BOARD EVAL CHARGER ST7260/L6924D](/photos/9/9/90910/steval-isb005v1_sml.jpg)
STEVAL-ISB005V1
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STEVAL-ISB005V1
Manufacturer:
STMicroelectronics
Quantity:
1
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ST7260xx
9
9.1
9.2
Power saving modes
Introduction
To give a large measure of flexibility to the application in terms of power consumption, two
main power saving modes are implemented in the ST7.
After a RESET, the normal operating mode is selected by default (RUN mode). This mode
drives the device (CPU and embedded peripherals) by means of a master clock which is
based on the main oscillator frequency divided by 3 (f
From Run mode, the different power saving modes may be selected by setting the relevant
register bits or by calling the specific ST7 software instruction whose action depends on the
oscillator status.
Halt mode
The MCU consumes the least amount of power in Halt mode. The Halt mode is entered by
executing the HALT instruction. The internal oscillator is then turned off, causing all internal
processing to be stopped, including the operation of the on-chip peripherals.
When entering Halt mode, the I bit in the Condition Code Register is cleared. Thus, all
external interrupts (ITi or USB end suspend mode) are allowed and if an interrupt occurs,
the CPU clock becomes active.
The MCU can exit Halt mode on reception of either an external interrupt on ITi, an end
suspend mode interrupt coming from USB peripheral, or a reset. The oscillator is then
turned on and a stabilization time is provided before releasing CPU operation. The
stabilization time is 4096 CPU clock cycles.
After the start up delay, the CPU continues operation by servicing the interrupt which wakes
it up or by fetching the reset vector if a reset wakes it up.
CPU
).
Power saving modes
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