TMP89FM42 Datasheet, PDF (270/408 Pages) Toshiba Semiconductor – 8 Bit Microcontroller

17. Synchronous Serial Interface (SIO)
17.5 Transfer Modes
TMP89FM42
SIO0CR<SIOS>
Start operation
Reserved stop
SIO0SR<SIOF>
Wait
SIO0SR<SEF>
SIO0SR<TBFL>
SIO0SR<REND>
Internal clock
SI0 pin (input)
SO0 pin (output)
Data A
Data B
Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7 Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7
Data D
Data E
Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7 Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7
Data C
Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7
Data F
Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7
SCLK0 pin (output)
INTSIO0 interrupt request
SIO0BUF
(Read buffer)
Read SIO0BUF
A
Reading
data A
B
Reading
data B
C
Reading
data C
SIO0BUF
D
(Write buffer)
Write to SIO0BUF
Writing data D
E
Writing data E
F
G
Writing data F Writing data G
Figure 17-13 8-bit Transmit/Receive Mode (Internal Clock and Reserved Stop)
RA001
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