AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 587

• 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 38-2.
Table 38-3.
Table 38-4.
Table 38-5.
This package respects the recommendations of the NEMI User Group.
SAM7S64/321/32/161/16
SAM7S512/256/128
JEDEC Drawing Reference
JESD97 Classification
Moisture Sensitivity Level
Symbol
aaa
bbb
ddd
ccc
D1
R2
R1
D2
A1
A2
E1
L1
E2
θ
θ
θ
D
A
E
q
L
S
b
e
c
1
2
3
64-lead LQFP Package Dimensions (in mm)
Device and LQFP Package Maximum Weight
LQFP Package Reference
LQFP and QFN Package Characteristics
0.05
1.35
0.08
0.08
0.09
0.45
0.20
0.17
Min
11°
11°
0°
0°
–
12.00 BSC
10.00 BSC
12.00 BSC
10.00 BSC
Millimeter
0.50 BSC.
1.00 REF
Nom
1.40
0.60
0.20
7.50
7.50
0.20
0.20
0.08
0.08
3.5°
12°
12°
Tolerances of Form and Position
700
750
–
–
–
–
–
–
–
Max
1.60
0.15
1.45
0.20
0.20
0.75
0.27
13°
13°
7°
–
–
–
3
MS-026
e3
0.002
0.053
0.003
0.003
0.004
0.018
0.008
0.007
Min
11°
11°
0°
0°
–
mg
mg
0.020 BSC.
0.472 BSC
0.383 BSC
0.472 BSC
0.383 BSC
0.039 REF
0.055
0.024
0.008
0.285
0.285
0.008
0.008
0.003
0.003
Nom
Inch
3.5°
12°
12°
–
–
–
–
–
–
–
SAM7S Series [DATASHEET]
0.063
0.006
0.057
0.008
0.008
0.030
0.011
Max
13°
13°
7°
–
–
–
6175M–ATARM–26-Oct-12
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