AT91SAM7S256-MU Atmel, AT91SAM7S256-MU Datasheet - Page 47

• Manufacturer Part Number: AT91SAM7S256-MU
• Description: IC ARM7 MCU 32BIT 256K 64-QFN
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S256-MU

• Package / Case: 64-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
• 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: -

6175FS–ATARM–03-Dec-07
Table 11-4.
Symbol
aaa
bbb
ccc
A1
A2
A3
D2
E2
D
R
A
E
b
L
e
64-pad QFN Package Dimensions (in mm)
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
–
–
–
AT91SAM7S Series Summary
7.25
7.25
Max
0.05
0.70
0.28
0.45
090
–
0.0005
0.009
0.274
0.274
0.014
Min
–
–
–
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
–
–
–
0.035
0.001
0.028
0.011
0.285
0.285
0.018
Max
–
47