AT91SAM7S321-AU-999 Atmel, AT91SAM7S321-AU-999 Datasheet - Page 50

• Manufacturer Part Number: AT91SAM7S321-AU-999
• Description: IC MCU ARM7 32KB FLASH 64LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S321-AU-999

• 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, JTAG, SPI, USART
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 32
• Operating Supply Voltage: 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
• 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: Details

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Doc. Rev
6175GS
6175HS
6175IS
AT91SAM7S Series Summary
Comments
“Features”,“Debug Unit (DBGU)”
Communication”
Section 7.4 ”Peripheral DMA
Section 9. ”System
Section 9.1.1 ”Brownout Detector and Power-on
Section 9.5 ”Debug
B and SAM7S64 Rev B to the list.
Section 12. ”AT91SAM7S Ordering
MRL B versions.
Section 6.2 ”Test
mandatory.
Section 8.10 ”SAM-BA Boot
board is mandatory.
Section 9.5 ”Debug
MRL C column added to
Pin”, added to SAM-BA Boot recovery procedure, a power cycle of the board is
Controller”,
Unit”, the list;
Unit”, Chip ID Registers list updated.
Table 12-1, “AT91SAM7S Series Ordering
Assistant”, added to SAM-BA Boot recovery procedure, a power cycle of the
Controller”, added list of PDC priorities.
Figure 9-1
updated with
Section • ”Chip ID
Information”, Updated product ordering information by MRL A and
and
“Mode for General Purpose 2-wire UART Serial
Figure 9-2
Reset”, fourth paragraph reduced.
Registers”, chip IDs updated, added SAM7S32 Rev
RTT is reset by “power_on_reset”.
Information”.
6175IS–ATARM–30-Aug-10
Change
Request
Ref.
5846
5913
5224
5685
rfo
6068
7185