at91cap7e ATMEL Corporation, at91cap7e Datasheet - Page 38
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at91cap7e
Manufacturer Part Number
at91cap7e
Description
Customizable Microcontroller
Manufacturer
ATMEL Corporation
Datasheet
1.AT91CAP7E.pdf
(520 pages)
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10.5
10.5.1
10.5.2
38
Embedded Peripherals Overview
AT91CAP7E
Serial Peripheral Interface
USART
• Supports communication with serial external devices
• Master or slave serial peripheral bus interface
• Very fast transfers supported
• Programmable Baud Rate Generator
• 5- to 9-bit full-duplex synchronous or asynchronous serial communications
• RS485 with driver control signal
• ISO7816, T = 0 or T = 1 Protocols for interfacing with smart cards
• IrDA modulation and demodulation
• Test Modes
– Four chip selects with external decoder support allow communication with up to 15
– Serial memories, such as DataFlash and 3-wire EEPROMs
– Serial peripherals, such as ADCs, DACs, LCD Controllers, CAN Controllers and
– External co-processors
– 8- to 16-bit programmable data length per chip select
– Programmable phase and polarity per chip select
– Programmable transfer delays between consecutive transfers and between clock
– Programmable delay between consecutive transfers
– Selectable mode fault detection
– Transfers with baud rates up to MCK
– The chip select line may be left active to speed up transfers on the same device
– 1, 1.5 or 2 stop bits in Asynchronous Mode or 1 or 2 stop bits in Synchronous Mode
– Parity generation and error detection
– Framing error detection, overrun error detection
– MSB-first or LSB-first
– Optional break generation and detection
– By 8 or by-16 over-sampling receiver frequency
– Hardware handshaking RTS-CTS
– Receiver time-out and transmitter time-guard
– Optional Multi-drop Mode with address generation and detection
– Optional Manchester Encoding
– NACK handling, error counter with repetition and iteration limit
– Communication at up to 115.2 Kbps
– Remote Loopback, Local Loopback, Automatic Echo
peripherals
Sensors
and data per chip select
8549A–CAP–10/08
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