ATmega644R212 Atmel Corporation, ATmega644R212 Datasheet - Page 174
ATmega644R212
Manufacturer Part Number
ATmega644R212
Description
Manufacturer
Atmel Corporation
Specifications of ATmega644R212
Flash (kbytes)
64 Kbytes
Max. Operating Frequency
20 MHz
Max I/o Pins
32
Spi
3
Twi (i2c)
1
Uart
1
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Crypto Engine
AES
Sram (kbytes)
4
Eeprom (bytes)
2048
Operating Voltage (vcc)
1.8 to 3.6
Timers
3
Frequency Band
700/800/900MHz
Max Data Rate (mb/s)
1
Antenna Diversity
No
External Pa Control
Yes
Power Output (dbm)
10
Receiver Sensitivity (dbm)
-110
Receive Current Consumption (ma)
9.0
Transmit Current Consumption (ma)
18 at 5dBm
Link Budget (dbm)
120
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19. Package Drawing - 32QN2
8111C–MCU Wireless–09/09
Notes:
Package Drawing Contact:
packagedrawings@atmel.com
1. This drawing is for general information only. Refer to JEDEC Drawing MO-220, Variation VHHD-6, for proper dimensions,
2. Dimension b applies to metallized terminal and is measured between 0.15 mm and 0.30 mm from the terminal tip. If the
tolerances, datums, etc.
terminal has the optional radius on the other end of the terminal, the dimension should not be measured in that radius area.
E
Bottom View
Bottom View
E2
E2
Top View
Top View
D
D2
D2
Pin 1 Corner
Pin 1 Corner
32QN2, 32-lead 5.0 x 5.0 mm Body, 0.50 mm Pitch,
Quad Flat No Lead Package (QFN) Sawn
TITLE
b
Pin 1 Corner
Pin 1 Corner
e
L
A2
A2
SYMBOL
Side View
Side View
A
E2
A
A3
e
D
E
D2
A1
A2
L
b
3.20
3.20
0.80
0.30
0.18
COMMON DIMENSIONS
MIN
0.0
0.0
(Unit of Measure = mm)
A1
A1
A3
A3
5.00 BSC
5.00 BSC
0.20 REF
0.50 BSC
GPC
NOM
3.30
3.30
0.90
0.02
0.65
0.40
0.23
ZJZ
DRAWING NO.
MAX
3.40
3.40
1.00
0.05
1.00
0.50
0.30
32QN2
NOTE
2
AT86RF231
11/26/07
REV.
A
174
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