AT91SAM7S321-AU Atmel, AT91SAM7S321-AU Datasheet - Page 567

• 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

Table 37-15. I/O Characteristics (Continued)
Notes:
6175K–ATARM–30-Aug-10
Symbol
PulseminL
FreqMax
PulseminH
PulseminL
1. Pin Group 1 = PA17 to PA20
2. Pin Group 2 = PA4 to PA16 and PA21 to PA31 (PA21 to PA31 are not present on AT91SAM7S32)
3. Pin Group 3 = PA0 to PA3
4. 3.3V domain: V
5. 1.8V domain: V
I03
I02
I03
I03
Parameter
Pin Group 2
Pin Group 3
Pin Group 3
Pin Group 3
VDDIO
VDDIO
(2)
(3)
(3)
(3)
frequency
Low Level Pulse Width
High Level Pulse Width
Low Level Pulse Width
from 3.0V to 3.6V, maximum external capacitor = 40pF
from 1.65V to 1.95V, maximum external capacitor = 20pF
AT91SAM7S Series Preliminary
Conditions
3.3V domain
1.8V domain
3.3V domain
1.8V domain
3.3V domain
1.8V domain
3.3V domain
1.8V domain
(4)
(5)
(4)
(5)
(4)
(5)
(4)
(5)
Min
16.6
16.6
20
36
45
45
Max
30
11
Units
MHz
MHz
ns
ns
ns
ns
ns
ns
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