ATAVRSB202 Atmel, ATAVRSB202 Datasheet - Page 3
ATAVRSB202
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
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1.2.4
1.2.5
1.2.6
1.2.7
1.2.8
1.2.9
1.2.10
1.2.11
1.2.12
1.2.13
8042B–AVR–06/10
VREG
VREF
VREFGND
GND
Port A (PA3..PA0)
Port B (PB7..PB0)
Port C (PC5)
Port C (PC4..PC0)
OC/OD
PI/NI
Output from the internal Voltage Regulator. Used for external decoupling to ensure stable regu-
lator operation. For details, see
Internal Voltage Reference for external decoupling. For details, see
Temperature Sensor” on page
Ground for decoupling of Internal Voltage Reference. For details, see
Temperature Sensor” on page
Ground
Port A serves as a low-voltage 4-bit bi-directional I/O port with internal pull-up resistors (selected
for each bit). As inputs, Port A pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port A pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port A also serves the functions of various special features of the ATmega16HVB/32HVB as
listed in
Port B is a low-voltage 8-bit bi-directional I/O port with internal pull-up resistors (selected for
each bit). As inputs, Port B pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port B pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port B also serves the functions of various special features of the ATmega16HVB/32HVB as
listed in
Port C (PC5) is a high voltage Open Drain output port.
Port C is a 5-bit high voltage Open Drain bi-directional I/O port.
High voltage output to drive Charge/Discharge FET. For details, see
Filtered positive/negative input from external current sense resistor, used to by the Coulomb
Counter ADC to measure charge/discharge currents flowing in the battery pack. For details, see
”Coulomb Counter – Dedicated Fuel Gauging Sigma-delta ADC” on page
”Alternate Functions of Port A” on page
”Alternate Functions of Port B” on page
123.
123. Do not connect to GND or SGND on PCB.
”Voltage Regulator” on page
74.
75.
ATmega16HVB/32HVB
132.
”FET Driver” on page
”Voltage Reference and
”Voltage Reference and
108.
148.
3
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