AT91SAM7S321-AU Atmel, AT91SAM7S321-AU Datasheet - Page 587

• 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

588
Version
6175D
6175E
AT91SAM7S Series Preliminary
Comments
Section 39.8 ”AT91SAM7S321 Errata - Revision A Parts”
Section 39. ”Errata”
Section 39.3.10.3 ”TWI: Disabling Does not Operate Correctly”
Section 39.3.10.4 ”TWI: NACK Status Bit Lost”
Section 39.3.10.5 ”TWI: Possible Receive Holding Register Corruption”
Section 39.3.11.1 ”USART: CTS in Hardware Handshaking”
Section 39.5.10.3 ”TWI: Disabling Does not Operate
Section 39.5.10.4 ”TWI: NACK Status Bit Lost”
Section 39.5.10.5 ”TWI: Possible Receive Holding Register Corruption”
Section 39.5.11.1 ”USART: CTS in Hardware Handshaking”
Section 39.7.9.3 ”TWI: Disabling Does not Operate
Section 39.7.9.4 ”TWI: NACK Status Bit Lost”
Section 39.7.9.5 ”TWI: Possible Receive Holding Register Corruption”
Section 39.7.10.2 ”USART: CTS in Hardware Handshaking”
Section 39.9.8.3 ”TWI: Disabling Does not Operate
Section 39.9.8.4 ”TWI: NACK Status Bit Lost”
Section 39.9.8.5 ”TWI: Possible Receive Holding Register Corruption”
Section 39.9.9.2 ”USART: CTS in Hardware Handshaking”
Section 39.4 ”AT91SAM7S256 Errata - Revision A Parts”
Section 39.6 ”AT91SAM7S128 Errata - Revision A Parts”
Section 38. ”AT91SAM7S Ordering Information”
”Features” page
”Absolute Maximum Ratings” page
Section 38. ”AT91SAM7S Ordering Information”
Section 39. ”Errata”
Section 39. ”Errata”
Section 39. ”Errata”
1,
Table 1-1, “Configuration Summary,” on page
added the following:
QFN package errata added,
SPI: SPCK Behavior in Master Mode added.
PIO: Leakage in worst case changed to 9 µA.
497,
Table 37-1, “Thermal Resistance Data,” on page
AT91SAM7S321 changed in
QFN package information added.
Correctly”AT91SAM7S64
Correctly”AT91SAM7S32
Correctly”AT91SAM7S128
added
added
added
AT91SAM7S256
3,
Section 4. ”Package and Pinout”
Table 38-1 on page 524
515and
6175G–ATARM–22-Nov-06
Change
Request
Ref.
#1768
#2309
#2343
#2403
#2453
#2607