AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 591

• Manufacturer Part Number: AT91SAM7S256D-AU
• Description: ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
• Manufacturer: Atmel
• Series: SAM7S256r

Specifications of AT91SAM7S256D-AU

• Rohs: yes
• Core: ARM
• Processor Series: AT91SAM
• Data Bus Width: 16 bit/32 bit
• Maximum Clock Frequency: 55 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 64 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 3 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: LQFP-64
• Mounting Style: SMD/SMT
• Interface Type: 2-Wire, I2S, SPI, USART
• Length: 7 mm

Table 38-7.
Table 38-8.
Table 38-9.
Table 38-10. QFN Package Characteristics
This package respects the recommendations of the NEMI User Group.
SAM7S32/161/16
SAM7S512/256/128/64/321
JEDEC Drawing Reference
JESD97 Classification
Moisture Sensitivity Level
Symbol
aaa
bbb
ccc
D2
A1
A2
A3
E2
D
R
A
b
E
L
e
64-pad QFN Package Dimensions (in mm)
Device and QFN Package Maximum Weight (Preliminary)
QFN Package Reference
0.125
0.23
6.95
6.95
0.35
Min
–
–
–
Millimeter
0.20 REF
9.00 bsc
9.00 bsc
0.50 bsc
Nom
0.65
0.25
7.10
7.10
0.40
0.10
0.10
0.05
Tolerances of Form and Position
–
–
–
200
280
Max
0.05
0.70
0.28
7.25
7.25
0.45
090
–
MO-220
e3
3
0.0005
0.009
0.274
0.274
0.014
Min
–
–
–
mg
mg
0.008 REF
0.354 bsc
0.354 bsc
0.020 bsc
0.026
0.010
0.280
0.280
0.016
0.004
0.004
0.002
Nom
Inch
–
–
–
SAM7S Series [DATASHEET]
0.035
0.001
0.028
0.011
0.285
0.285
0.018
Max
–
6175M–ATARM–26-Oct-12
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