Section 10 Serial Communication Interface; Overview - Renesas F-ZTAT H8 Series Hardware Manual

Section 10 Serial Communication Interface

10.1

Overview

The H8/3857 Group is provided with a two-channel serial communication interface (SCI), and the
H8/3854 Group with a single-channel SCI. Table 10.1 summarizes the functions and features of
the SCI channels.
Table 10.1 Serial Communication Interface Functions
Channel Functions
SCI1* Synchronous serial transfer
•
Choice of 8-bit or 16-bit data
length
•
Continuous clock output
SCI3 Synchronous serial transfer
•
8-bit data transfer
•
Send, receive, or simultaneous
send/receive
Asynchronous serial transfer
•
Multiprocessor communication
function
•
Choice of 7-bit or 8-bit data length
•
Choice of 1-bit or 2-bit stop bit
length
•
Parity addition
Note: SCI1 is a function of the H8/3857 Group only, and is not provided in the H8/3854
*
Group.
10. Serial Communication Interface
Features
• Choice of 8 internal clocks (φ/1024 to φ/2)
or external clock
•
Open drain output possible
•
Interrupt requested at completion of
transfer
•
Built-in baud rate generator
•
Receive error detection
•
Break detection
•
Interrupt requested at completion of
transfer or error
Rev.3.00 Jul. 19, 2007 page 249 of 532
REJ09B0397-0300