Section 10 Serial Communication Interface
10.1
Overview
The H8/3887 Series is provided with three serial communication interface (SCI) channels. The
functions of the three SCI channels are summarized in table 10-1.
Table 10-1 Overview of SCI Functions
SCI Name Functions
Features
• Choice of 8 internal clocks (ø/1024 to
ø/4, øW/4) or external clock
• Open-drain output option
• Interrupt generated on completion of
transfer
SCI1
Synchronous serial transfer functions
• Choice of transfer data length (8 or 16
bits)
• Continuous clock output function
• On-chip baud rate generator
• Receive error detection
SCI31,
SCI32
Synchronous serial transfer functions
• 8-bit transfer data length
• Break detection
• Interrupt generated on completion of
transfer or in case of error
• Transmission/reception/simultaneous
transmission and reception
Asynchronous serial transfer functions
• Multiprocessor communication function
• Choice of transfer data length (7 or 8
bits)
• Choice of stop bit length (1 or 2 bits)
• Parity addition function
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ETC [ ETC ]
