tmp86fh46bng TOSHIBA Semiconductor CORPORATION, tmp86fh46bng Datasheet - Page 130

• Manufacturer Part Number: tmp86fh46bng
• Description: 8 Bit Microcontroller Tlcs-870/c Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

10.3
Function
SIOCR1<SIOS>
SIOSR<SIOF>
SIOSR<SEF>
SCK
SI pin
SIOSR<RXF>
INTSIO
interrupt
request
SIORDB
pin
(4)
Figure 10-11 Example of External Clock and MSB Receive Mode
tents, the received data is ignored while the SIOSR<RXERR> is “1”.
Receive errors occur on the following situation. To protect SIORDB and the shift register con-
Receive error processing
・ Shift operation is finished before reading out received data from SIORDB at
SIOSR<RXF> is “1” in an external clock operation. If receive error occurs, set the
SIOCR1<SIOS> to “0” for reading the data that received immediately before error occur-
rence. And read the data from SIORDB. Data in shift register (at errors occur) can be read
by reading the SIORDB again.
is cleared to “0”. After clearing SIOCR1<SIOS> to “0”, when 8-bit serial clock is input to
SCK pin, receive operation is stopped. To restart the receive operation, confirm that
SIOSR<SIOF> is cleared to “0”.
eration immediately. In this case, SIOCR1<SIOS>, SIOSR register, SIORDB register and
SIOTDB register are initialized.
When SIOSR<RXERR> is cleared to “0” after reading the received data, SIOSR<RXF>
If the receive error occurs, set the SIOCR1<SIOINH> to “1” for stopping the receive op-
A7 A6
Start shift
operation
A5 A4 A3 A2 A1 A0 B7 B6 B5 B4 B3 B2 B1 B0 C7 C6 C5 C4 C3 C2 C1 C0
Writing transmit
data A
Page 112
Reading received data
A
Start shift
operation
B
Start shift
operation
Writing transmit
data B
Clearing SIOS
Writing transmit
data C
C
TMP86FH46BNG