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15. Synchronous Serial Interface (SIO2)
15.3 Function
T
5CL8
(2) During the transmit/receive operation
When data is written to SIO2TDB, SIO2SR<TXF> is cleared to “0” and when a data is read from
SIO2RDB, SIO2SR<RXF> is cleared to “0”.
In internal clock operation, in case of the condition described below, the serial clock stops to “H”
level by an automatic-wait function when all of the bit set in the data has been transmitted.
• Next transmit data is not written to SIO2TDB after reading a received data from SIO2RDB.
• Received data is not read from SIO2RDB after writing a next transmit data to SIO2TDB.
• Neither SIO2TDB nor SIO2RDB is accessed after transmission.
The automatic wait function is released by writing the next transmit data to SIO2TDB after reading
the received data from SIO2RDB, or reading the received data from SIO2RDB after writing the next
data to SIO2TDB.
Then, transmit/receive operation is restarted after maximum 1 cycle of serial clock.
In external clock operation, reading the received data from SIO2RDB and writing the next data to
SIO2TDB must be finished before the shift operation of the next data begins.
If the transmit data is not written to SIO2TDB after SIO2SR<TXF> is set to “1”, transmit error
occurs immediately after shift operation is started. When the transmit error occurred,
SIO2SR<TXERR> is set to “1”.
If received data is not read out from SIO2RDB before next shift operation starts after setting
SIO2SR<RXF> to “1”, receive error occurs immediately after shift operation is finished. When the
receive error has occurred, SIO2SR<RXERR> is set to “1”.
(3) Stopping the transmit/receive operation
There are two ways for stopping the transmit/receive operation.
• The way of clearing SIO2CR<SIOS>.
When SIO2CR<SIOS> is cleared to “0”, transmit/receive operation is stopped after all trans-
fer of the data is finished. When transmit/receive operation is finished, SIO2SR<SIOF> is
cleared to “0” and SO2 pin is kept in high level.
In external clock operation, SIO2CR<SIOS> must be cleared to “0” before SIO2SR<SEF> is
set to “1” by beginning next transfer.
• The way of setting SIO2CR<SIOINH>.
Transmit/receive operation is stopped immediately after SIO2CR<SIOINH> is set to “1”. In
this case, SIO2CR<SIOS>, SIO2SR register, SIO2RDB register and SIO2TDB register are
initialized.
Summary of Contents for CEM2100/00
Page 2: ...2 ...
Page 3: ...BLOCK DIAGRAM ...
Page 4: ...WIRING DIAGRAM 4 ...
Page 5: ...CIRCUIT DIAGRAM MAIN BOARD 5 ...
Page 6: ...6 ...
Page 7: ......
Page 11: ...PCB LAYOUT MAIN BOARD TOP SIDE VIEW 11 ...
Page 12: ...PCB LAYOUT MAIN BOARD BOTTOM SIDE VIEW 12 ...
Page 13: ...PCB LAYOUT PANEL BOARD TOP SIDE VIEW ...
Page 14: ...14 PCB LAYOUT PANEL BOARD BOTTOM SIDE VIEW ...
Page 15: ...PCB LAYOUT REMOTE BOARD TOP SIDE VIEW 15 ...
Page 16: ...PCB LAYOUT REMOTE BOARD BOTTOM SIDE VIEW 16 ...
Page 17: ...PCB LAYOUT TUNER BOARD TOP SIDE VIEW 17 ...
Page 18: ...PCB LAYOUT TUNER BOARD BOTTOM SIDE VIEW 18 ...
Page 19: ...PCB LAYOUT SD BOARD TOP SIDE VIEW ...
Page 20: ...20 PCB LAYOUT CD CONNECTOR TOP SIDE VIEW ...
Page 21: ...PCB LAYOUT ISO BOARD BOTTOM SIDE VIEW 21 ...
Page 22: ...22 SET EXPLODER VIEW DRAWING ...
Page 23: ...1 of 2 CEM2100 Trouble shooting Trouble shooting Trouble shooting Trouble shooting ...
Page 33: ...7 0 6SHFLILFDWLRQ 6 VWHP EORFN GLDJUDP ...
Page 110: ...7 0 6SHFLILFDWLRQ 5HYLVLRQ KLVWRU 2 2 s u 2 u 2 7 t 2 2 2 S S 5 2 v 2 2 ...
Page 111: ...8 Bit Microcontroller TLCS 870 C Series T5CL8 ...
Page 113: ...Revision History Date Revision 2008 7 31 1 First Release ...
Page 114: ......
Page 122: ...viii ...
Page 126: ...Page 4 1 3 Block Diagram T5CL8 1 3 Block Diagram Figure 1 2 Block Diagram ...
Page 130: ...Page 8 1 4 Pin Names and Functions T5CL8 ...
Page 155: ...Page 33 T5CL8 ...
Page 156: ...Page 34 2 Operational Description 2 3 Reset Circuit T5CL8 ...
Page 186: ...Page 64 5 I O Ports 5 8 Port P7 P77 to P70 T5CL8 ...
Page 194: ...Page 72 6 Watchdog Timer WDT 6 3 Address Trap T5CL8 ...
Page 214: ...Page 92 8 16 Bit TimerCounter 1 TC1 8 3 Function T5CL8 ...
Page 270: ...Page 148 12 Asynchronous Serial interface UART1 12 9 Status Flag T5CL8 ...
Page 280: ...Page 158 13 Asynchronous Serial interface UART2 13 9 Status Flag T5CL8 ...
Page 332: ...Page 210 16 Serial Bus Interface I2C Bus Ver D SBI 16 6 Data Transfer of I2C Bus T5CL8 ...
Page 342: ...Page 220 17 10 bit AD Converter ADC 17 6 Precautions about AD Converter T5CL8 ...
Page 354: ...Page 232 19 Flash Memory 19 4 Access to the Flash Memory Area T5CL8 ...
Page 388: ...Page 266 21 Input Output Circuit 21 2 Input Output Ports T5CL8 ...
Page 397: ...Page 275 T5CL8 23 Package Dimensions LQFP64 P 1010 0 50D Rev 01 Unit mm ...
Page 398: ...Page 276 23 Package Dimensions T5CL8 ...
Page 400: ......
Page 428: ...TC94B14MFG 2010 01 12 28 Package LQFP80 P 1212 0 50F Weight 0 6 g Typical ...