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TMP86FS49AIUG Datasheet(PDF) 191 Page - Toshiba Semiconductor

Part # TMP86FS49AIUG
Description  8 Bit Microcontroller
PDF  296 Pages
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Manufacturer  TOSHIBA [Toshiba Semiconductor]
Direct Link  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMP86FS49AIUG Datasheet(HTML) 191 Page - Toshiba Semiconductor

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TMP86FS49AIUG
Figure 14-15 Example of Transmit/Receive (Transmit) Error Processing
(b) Receive errors
Receive errors occur on the following situation. To protect SIO1RDB and the shift register
contents, the received data is ignored while the SIO1SR<RXERR> is “1”.
• Shift operation is finished before reading out received data from SIO1RDB at
SIO1SR<RXF> is “1” in an external clock operation.
If receive error occurs, set the SIO1CR<SIOS> to “0” for reading the data that received
immediately before error occurence. And read the data from SIO1RDB. Data in shift
register (at errors occur) can be read by reading the SIO1RDB again.
When SIO1SR<RXERR> is cleared to “0” after reading the received data,
SIO1SR<RXF> is cleared to “0”.
After clearing SIO1CR<SIOS> to “0”, when 8-bit serial clock is input to SCK1 pin, re-
ceive operation is stopped. To restart the receive operation, confirm that
SIO1SR<SIOF> is cleared to “0”.
If the received error occurs, set the SIO1CR<SIOINH> to “1” for stopping the receive
operation immediately. In this case, SIO1CR<SIOS>, SIO1SR register, SIO1RDB reg-
ister and SIO1TDB register are initialized.
Writing transmit
data B
Writing transmit
data A
Unknown
B
A7 A6
A
A5 A4 A3 A2 A1 A0 B7 B6 B5 B4 B3 B2 B1 B0
D7 D6 D5 D4 D3 D2 D1 D0 E7 E6 E5 E4 E3 E2 E1 E0 F7 F6 F5 F4 F3 F2 F1 F0
Start shift
operation
Start shift
operation
Start shift
operation
Reading received
data F
Reading received
data E
Reading received
data D
F
E
D
SIO1CR<SIOS>
SIO1SR<SIOF>
SIO1SR<SEF>
SCK1
pin output
SO1 pin
SI1 pin
INTSIO1
interrupt
request
SIO1SR<TXF>
SIO1SR<RXF>
SIO1RDB
SIO1TDB
SIO1SR<TXERR>
SIO1CR<SIOINH>



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