tmp89fm42a TOSHIBA Semiconductor CORPORATION, tmp89fm42a Datasheet - Page 289

• Manufacturer Part Number: tmp89fm42a
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

17.5
Transfer Modes
RA001
Figure 17-16 8-bit Transmit/Receive Mode (External Clock, Occurrence of Transmit Underrun
SIO0CR<SIOS>
SIO0SR<SIOF>
SIO0SR<SEF>
SIO0SR<TBFL>
SIO0SR<REND>
SIO0SR<OERR>
SIO0SR<UERR>
SI0 pin (input)
SO0 pin (output)
SCLK0 pin (input)
INTSIO0 interrupt request
SIO0BUF
(Read buffer)
Read SIO0BUF
SIO0BUF
(Write buffer)
Write to SIO0BUF
Read SIO0SR
Writing
data D
Start operation
D
Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7 Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7
Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7 Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7
Error and Occurrence of Overrun Error)
Data A
Data D
A
Page 270
Data D
Writing
data F
Data B
F
Writing
data G
Data F
G
Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7
Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7
Reading
data A
Reserved stop
Data C
Data G
Reading
TMP89FM42A
C
data C