ATAVRSB202 Atmel, ATAVRSB202 Datasheet - Page 129

• Manufacturer Part Number: ATAVRSB202
• Description: KIT BATT MGMT FOR ATMEGA32HVB
• Manufacturer: Atmel

Specifications of ATAVRSB202

• Main Purpose: *
• Embedded: *
• Utilized Ic / Part: *
• Primary Attributes: *
• Secondary Attributes: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

22. Charger Detect
22.1
22.2
8042B–AVR–06/10
Features
Overview
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The Charger Detect module has two main functions:
• Control the device operating state (Power-off or normal operation)
• Detect when a charger is connected/disconnected
Figure 22-1
Figure 22-1. Charger Detect block diagram.
Operates directly from VFET supply
Detects when a charger is connected or disconnected by monitoring the BATT pin
Controls the operation state of the device by automatically enable/disable the internal Voltage
Regulator
Automatically disabled when Discharge FET is ON.
Interrupt wake-up from all sleep modes
shows a block diagram of the Charger Detect module.
(power-off)
DFET_EN
SLEEP
BLOD
w/Power-on Reset
Charger Detect
Charger Detect
Interrupt Logic
8-BIT DATABUS
VFET
CHARGER_PRESENT
ATmega16HVB/32HVB
BATT
POWER_OFF
POR
IRQ
+
-
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