AT91SAM7S321-AU Atmel, AT91SAM7S321-AU Datasheet - Page 45

• Manufacturer Part Number: AT91SAM7S321-AU
• Description: IC ARM7 MCU FLASH 32K 64LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S321-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LQFP
• Processor Series: AT91SAMx
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 8 KB
• Interface Type: I2C, I2S, SPI, SSC, TWI, UART, USB
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 10 bit
• Operating Supply Voltage: 1.8 V to 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JTRACE-ARM-2M, KSK-AT91SAM7S-PL, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: AT91SAM-ICE, AT91-ISP, AT91SAM7S-EK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Controller Family/series: AT91SAM7xxxx
• No. Of I/o's: 32
• Ram Memory Size: 8KB
• Cpu Speed: 55MHz
• No. Of Timers: 3
• Rohs Compliant: Yes
• For Use With: AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7S-EK - KIT EVAL FOR ARM AT91SAM7S
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

6175IS–ATARM–30-Aug-10
Table 11-3.
Symbol
aaa
bbb
ccc
D2
A1
A2
A3
E2
D
R
A
E
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
–
–
–
AT91SAM7S Series Summary
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
–
–
–
0.035
0.002
0.028
0.009
0.226
0.226
0.018
Max
–
45