AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 589

• 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 38-6.
Symbol
aaa
bbb
ccc
A1
A2
A3
D2
E2
A
D
E
R
b
L
e
48-pad QFN Package Dimensions (in mm)
0.18
5.45
5.45
0.35
0.09
Min
–
–
–
Millimeter
0.20 REF
7.00 bsc
7.00 bsc
0.50 bsc
Nom
0.65
0.20
5.60
5.60
0.40
0.10
0.10
0.05
Tolerances of Form and Position
–
–
–
0.050
Max
0.70
0.23
5.75
5.75
0.45
090
–
0.007
0.215
0.215
0.014
0.004
Min
–
–
–
0.008 REF
0.276 bsc
0.276 bsc
0.020 bsc
0.026
0.008
0.220
0.220
0.016
0.004
0.004
0.002
Nom
Inch
–
–
–
SAM7S Series [DATASHEET]
0.035
0.002
0.028
0.009
0.226
0.226
0.018
Max
–
6175M–ATARM–26-Oct-12
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