HD64F3644PV Datasheet, PDF (299/551 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 10 Serial Communication Interface
Section 10 Serial Communication Interface
10.1 Overview
The H8/3644 Group is provided with a two-channel serial communication interface (SCI). Table
10.1 summarizes the functions and features of the two SCI channels.
Table 10.1 Serial Communication Interface Functions
Channel
SCI1
SCI3
Functions
Features
Synchronous serial transfer
•
• Choice of 8-bit or 16-bit data length
• Continuous clock output
•
•
Choice of 8 internal clocks (φ/1024 to φ/2)
or external clock
Open drain output possible
Interrupt requested at completion of
transfer
Synchronous serial transfer
• 8-bit data length
• Send, receive, or simultaneous
send/receive
Asynchronous serial transfer
• On-chip baud rate generator
• Receive error detection
• Break detection
• Interrupt requested at completion of
transfer or error
• Multiprocessor communication
• Choice of 7-bit or 8-bit data length
• Choice of 1 or 2 stop bits
• Parity addition
10.2 SCI1
10.2.1 Overview
Serial communication interface 1 (SCI1) performs synchronous serial transfer of 8-bit or 16-bit
data. SSB (Synchronized Serial Bus) communication is also provided, enabling multiple ICs to be
controlled.
Rev. 6.00 Sep 12, 2006 page 277 of 526
REJ09B0326-0600