AT91SAM7S32-AI ATMEL [ATMEL Corporation], AT91SAM7S32-AI Datasheet - Page 25
AT91SAM7S32-AI
Manufacturer Part Number
AT91SAM7S32-AI
Description
AT91 ARM Thumb-based Microcontrollers
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT91SAM7S32-AI.pdf
(446 pages)
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Two-wire Interface
USART
Serial Synchronous
Controller
Timer Counter
6071A–ATARM–28-Oct-04
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Master Mode only
Compatibility with standard two-wire serial memories
One, two or three bytes for slave address
Sequential read/write operations
Programmable Baud Rate Generator
5- to 9-bit full-duplex synchronous or asynchronous serial communications
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RS485 with driver control signal
ISO7816, T = 0 or T = 1 Protocols for interfacing with smart cards
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IrDA modulation and demodulation
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Test Modes
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Provides serial synchronous communication links used in audio and telecom
applications
Contains an independent receiver and transmitter and a common clock divider
Offers a configurable frame sync and data length
Receiver and transmitter can be programmed to start automatically or on detection
of different event on the frame sync signal
Receiver and transmitter include a data signal, a clock signal and a frame
synchronization signal
Three 16-bit Timer Counter Channels
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Wide range of functions including:
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1, 1.5 or 2 stop bits in Asynchronous Mode
1 or 2 stop bits in Synchronous Mode
Parity generation and error detection
Framing error detection, overrun error detection
MSB 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 timeguard
Multi-drop Mode with address generation and detection
NACK handling, error counter with repetition and iteration limit
Communication at up to 115.2 Kbps
Remote Loopback, Local Loopback, Automatic Echo
Three output compare or two input capture
Frequency measurement
Event counting
Interval measurement
Pulse generation
Delay timing
Pulse Width Modulation
Up/down capabilities
AT91SAM7S32 Preliminary
25
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