AT91SAM7S321-AU Atmel, AT91SAM7S321-AU Datasheet - Page 385

• 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

31.7
Table 31-12.
6175K–ATARM–30-Aug-10
0x100 - 0x128
0x2C - 0x3C
0x5C - 0xFC
0x000C
0x001C
0x004C
0x0000
0x0004
0x0008
0x0010
0x0014
0x0018
0x0020
0x0024
0x0028
0x0040
0x0044
0x0048
Offset
Universal Synchronous Asynchronous Receiver Transmitter (USART) User Interface
Memory Map
Register
Control Register
Mode Register
Interrupt Enable Register
Interrupt Disable Register
Interrupt Mask Register
Channel Status Register
Receiver Holding Register
Transmitter Holding Register
Baud Rate Generator Register
Receiver Time-out Register
Transmitter Timeguard Register
Reserved
FI DI Ratio Register
Number of Errors Register
Reserved
IrDA Filter Register
Reserved
Reserved for PDC Registers
AT91SAM7S Series Preliminary
US_BRGR
US_RTOR
US_TTGR
US_RHR
US_CSR
US_THR
US_NER
US_IMR
US_FIDI
US_IER
US_IDR
US_MR
US_CR
US_IF
Name
–
–
–
–
Read-write
Read-write
Read-write
Read-write
Read-write
Read-write
Write-only
Write-only
Write-only
Read-only
Read-only
Read-only
Write-only
Read-only
Access
–
–
–
–
Reset
0x174
0x0
0x0
0x0
0x0
0x0
0x0
–
–
–
–
–
–
–
–
–
–
–
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