HD404374 Datasheet, PDF (90/161 Pages) Renesas Technology Corp – Low-Voltage AS Microcomputers with On-Chip A/D Converter

HD404374/HD404384/HD404389/HD404082/HD404084 Series
SI/SO
SCK
Idle control
logic
I/O control
logic
Octal counter
(OC)
Serial interrupt
request flag
(IFS)
Clock
Serial data
register
(SRL/U)
System PER
clock
Transfer
1/2
2
control
2
8
32
128
512
2048
1/2
4
Serial mode
register 1
(SMR1)
Data bus
Clock line
Signal line
Serial mode
register 2
(SMR2)
Figure 52 Serial Interface Block Diagram
Rev.5.00, Sep.11.2003, page 90 of 161