AT91SAM7A1-AU Atmel, AT91SAM7A1-AU Datasheet - Page 167

• Manufacturer Part Number: AT91SAM7A1-AU
• Description: IC ARM7 MCU 32BIT ROMLESS144LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7A1-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 40MHz
• Connectivity: CAN, EBI/EMI, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 49
• Program Memory Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-LQFP
• For Use With: AT91SAM7A1-EK - BOARD EVAL FOR AT91SAM7A1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

AT91SAM7A1
• TXEN: Transmitter Enable
0: No effect.
1: The transmitter is enabled if TXDIS is 0.
• TXDIS: Transmitter Disable
0: No effect.
1: The transmitter is disabled.
• RSTSTA: Reset Status Bit
0: No effect.
1: Resets the status bits PARE, FRAME, USOVRE and RXBRK in US_SR.
• STTBRK: Start Break
0: No effect.
1: If break is not being transmitted, start transmission of a break after the characters present in US_THR and the Transmit
Shift Register have been transmitted.
• STPBRK: Stop Break
0: No effect.
1: If a break is being transmitted, stop transmission of the break after a minimum of one character length and transmit a
high level during 12 bit periods.
• STTTO: Start Time-out
0: No effect.
1: Start waiting for a character before clocking the time-out counter.
• SENDA: Send Address
0: No effect.
1: In Multidrop Mode only, the next character written to the US_THR is sent with the address bit set.
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6048B–ATARM–29-Jun-06