AT91SAM7S321-AU Atmel, AT91SAM7S321-AU Datasheet - Page 590

• 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

6175G–ATARM–22-Nov-06
Version
6175F
Comments
Section 36. ”AT91SAM7S Electrical Characteristics”
the following tables.
Table 36-2, “DC Characteristics
Table 36-5, “DC Flash Characteristics AT91SAM7S64/321/32
Table 36-6, “DC Flash Characteristics AT91SAM7S512/256/128
Table 36-7, “Power Consumption for Different Modes
Table 36-8, “Power Consumption on VDDCORE
Table 36-10, “Main Oscillator Characteristics
Table 36-11, “Crystal Characteristics
Table 36-12, “XIN Clock Electrical Characteristics
Table 36-13, “Phase Lock Loop Characteristics
Table 36-23, “SPI Timings
Section 36. ”AT91SAM7S Electrical Characteristics”
”Absolute Maximum Ratings” page
Table 36-7, “Power Consumption for Different Modes
Section 37. ”Mechanical Characteristics”
Section 39. ”Errata”
TWI: Behavior of OVRE bit: eliminated.
change or added to all:
PIO: Leakage on PA17 - PA20...”
RTT: Possible Event Loss when Reading RTT_SR
SPI: Chip Select and Fixed Mode
SPI: Baudrate Set to 1
SPI: Disable in Slave Mode
TWI: Software Reset
USART: Hardware Handshaking – Two Characters are Sent
USART: XOFF Character Bad Behavior
added to AT91SAM7S64/32 only:
SPI: Disable Issue
SPI: Software Reset and SPIEN Bit
SPI: CSAAT = 1 and Delay
Change to AT91SAM7S321 only:
Voltage Regulator errata removed.
PWM: Constraints on Duty Cycle Value, updated all
Added
Section 39.1 ”Marking”
the leakage can be 9 µA in worst case...”
497, change to Maximum Operating Voltages.
has been added.
SAM7S512 added to Device and Package weights
(1)
AT91SAM7S512 specific info added and changes to
, note added to table
AT91SAM7S Series Preliminary
Change
Request
Ref.
Review
#3058
#3061
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