HD404829R Datasheet, PDF (84/149 Pages) Renesas Technology Corp – AS Microcomputer Incorporating a LCD controller/Driver Circuit

HD404829R Series
Serial Interface
The serial interface serially transfers and receives 8-bit data, and includes the following features.
• Multiple transmit clock sources
 External clock
 Internal prescaler output clock
 System clock
• Output level control in idle states
Five registers, an octal counter, and a multiplexer are also configured for the serial interface as follows.
Serial data register (SRL: $006, SRU: $007)
Serial mode register A (SMRA: $005)
Serial mode register B (SMRB: $028)
Miscellaneous register (MIS: $00C)
Octal counter (OC)
Selector
The block diagram of the serial interface is shown in figure 70.
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