AT91M40807 ATMEL Corporation, AT91M40807 Datasheet - Page 13

• Manufacturer Part Number: AT91M40807
• Description: At91 Arm(r) Thumb(r) Microcontroller
• Manufacturer: ATMEL Corporation

User Peripherals
USART: Universal
Synchronous/
Asynchronous Receiver
Transmitter
TC: Timer Counter
1371CS–ATARM–02/02
The AT91M40807 microcontroller provides two identical, full-duplex, universal synchro-
nous/asynchronous receiver/transmitters.
Each USART has its own baud rate generator, and two dedicated Peripheral Data Con-
troller channels. The data format includes a start bit, up to 8 data bits, an optional
programmable parity bit and up to 2 stop bits.
The USART also features a Receiver Timeout register, facilitating variable length Frame
support when it is working with the PDC, and a Time Guard register, used when interfac-
ing with slow remote equipment.
The AT91M40807 microcontroller features a Timer Counter block that includes three
identical 16-bit timer counter channels. Each channel can be independently pro-
grammed to perform a wide range of functions, including frequency measurement, event
counting, interval measurement, pulse generation, delay timing and pulse-width
modulation.
The Timer Counter can be used in Capture or Waveform mode, and all three counter
channels can be started simultaneously and chained together.
AT91M40807
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