Rev. 5.00, 09/03, page 555 of 760
Section 17 IrDA
17.1 Overview
The SH7709S has an on-chip Infrared Data Association (IrDA) interface w hich is based on the
IrDA 1.0 system and can perform infrared communication. It also can be used as the SCIF by
making register sett ing s .
17.1.1 Features
• Conforms to the IrDA 1.0 system
• Async hr o no us ser ial co mmu nicatio n
Data length: 8 bits
Stop b i t length: 1 bit
Parity bit: None
• On-chip 16-stage FIFO buffers for both transmit and receive operations
• On-chip baud rate generator with selectable bit rates
• Guard functions to protect the receiver during transmission
• Clock supply halted to reduce power consumption when not using the IrDA interface