AT91SAM7S256-AU-001 Atmel, AT91SAM7S256-AU-001 Datasheet - Page 42

• Manufacturer Part Number: AT91SAM7S256-AU-001
• Description: IC ARM7 MCU 32BIT 256K 64LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S256-AU-001

• Package / Case: 64-LQFP
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 55MHz
• Number Of I /o: 32
• Core Processor: ARM7
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Program Memory Size: 256KB (256K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Connectivity: I²C, SPI, SSC, UART/USART, USB
• Core Size: 16/32-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: AT91SAM7S256AU001

42
AT91SAM7S Series Summary
Table 11-1.
Symbol
aaa
bbb
ddd
ccc
D1
R2
R1
D2
A1
A2
E1
E2
L1
θ
θ
θ
A
D
E
S
q
c
L
b
e
1
2
3
48-lead LQFP Package Dimensions (in mm)
0.05
1.35
0.08
0.08
0.09
0.45
0.20
0.17
Min
11°
11°
0°
0°
–
Millimeter
0.50 BSC.
9.00 BSC
7.00 BSC
9.00 BSC
7.00 BSC
1.00 REF
Nom
1.40
0.60
0.20
5.50
5.50
0.20
0.20
0.08
0.08
3.5°
12°
12°
Tolerances of Form and Position
–
–
–
–
–
–
–
Max
1.60
0.15
1.45
0.20
0.20
0.75
0.27
13°
13°
7°
–
–
–
0.002
0.053
0.003
0.003
0.004
0.018
0.008
0.007
Min
11°
11°
0°
0°
–
0.020 BSC.
0.354 BSC
0.276 BSC
0.354 BSC
0.276 BSC
0.039 REF
0.055
0.024
0.008
0.217
0.217
0.008
0.008
0.003
0.003
Nom
Inch
3.5°
12°
12°
–
–
–
–
–
–
–
6175FS–ATARM–03-Dec-07
0.063
0.006
0.057
0.008
0.008
0.030
0.011
Max
13°
13°
7°
–
–
–