HD6417641 RENESAS [Renesas Technology Corp], HD6417641 Datasheet - Page 735
HD6417641
Manufacturer Part Number
HD6417641
Description
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
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19.1
This LSI has a three-channel serial communication interface with FIFO (SCIF) that supports both
asynchronous and clock synchronous serial communication. It also has 16-stage FIFO registers for
both transmission and reception independently for each channel that enable this LSI to perform
efficient high-speed continuous communication.
19.1.1
• Asynchronous serial communication:
• Synchronous mode:
• Full duplex communication: The transmitting and receiving sections are independent, so the
• On-chip baud rate generator with selectable bit rates
Serial data communication is performed by start-stop in character units. The SCIF can
Data length: 7 or 8 bits
Stop bit length: 1 or 2 bits
Parity: Even, odd, or none
Receive error detection: Parity, framing, and overrun errors
Break detection: Break is detected when a framing error is followed by at least one frame at
Serial data communication is synchronized with a clock signal. The SCIF can communicate
Data length: 8 bits
Receive error detection: Overrun errors
SCIF can transmit and receive simultaneously. Both sections use 16-stage FIFO buffering, so
high-speed continuous data transfer is possible in both the transmit and receive directions.
Section 19 Serial Communication Interface with FIFO
communicate with a universal asynchronous receiver/transmitter (UART), an asynchronous
communication interface adapter (ACIA), or any other communications chip that employs
a standard asynchronous serial system. There are eight selectable serial data
communication formats.
the space 0 level (low level). It is also detected by reading the RxD level directly from the
port data register when a framing error occurs.
with other chips having a synchronous communication function. There is one serial data
communication format.
Overview
Features
(SCIF)
Section 19 Serial Communication Interface with FIFO (SCIF)
Rev. 4.00 Sep. 14, 2005 Page 685 of 982
REJ09B0023-0400
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