RM46L450
RM46L850
SPNS184 –SEPTEMBER 2012
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5.9 Serial Communication Interface (SCI)
5.9.1 Features
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Standard universal asynchronous receiver-transmitter (UART) communication
Supports full- or half-duplex operation
Standard nonreturn to zero (NRZ) format
Double-buffered receive and transmit functions
Configurable frame format of 3 to 13 bits per character based on the following:
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Data word length programmable from one to eight bits
Additional address bit in address-bit mode
Parity programmable for zero or one parity bit, odd or even parity
Stop programmable for one or two stop bits
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Asynchronous or isosynchronous communication modes
Two multiprocessor communication formats allow communication between more than two devices.
Sleep mode is available to free CPU resources during multiprocessor communication.
The 24-bit programmable baud rate supports 224 different baud rates provide high accuracy baud rate
selection.
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Four error flags and Five status flags provide detailed information regarding SCI events.
Capability to use DMA for transmit and receive data.
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Peripheral Information and Electrical Specifications
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