参数资料
型号: TMP86CH72FG
厂商: Toshiba Corporation
英文描述: Zener Diode; Application: General; Pd (mW): 500; Vz (V): 19.5 to 20.4; Condition Iz at Vz (mA): 2; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: DO-35
中文描述: 8位微控制器
文件页数: 129/198页
文件大小: 1821K
代理商: TMP86CH72FG
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Page 119
TMP86CH72FG
(2)
Causing the SIO to stop transmitting/receiving
1. When as many data bytes as specified in SIOCR2<SIORXD> have been transmitted and
received, be sure to clear SIOCR1<SIOS> to “0” to halt the SIO. Clearing of
SIOCR1<SIOS> should be executed within the INTSIO service routine or should be exe-
cuted after confirmation of SIOSR<RXF> = “1”.
Setting SIOCR1<SIOINH> to “1” causes the SIO to immediately stop the transmission/
reception sequence even if any byte is being transmitted or received.
(3)
Received-data read and transmit-data set timing
After as many bytes as specified in SIOCR2<SIORXD> have been transmitted and received, read-
ing the received data and writing the next transmit data should be executed after confirmation of
SIOSR<RXF> = “1” or should be executed after SIOCR1<SIOS> is cleared to “0” in the INTSIO
interrupt service routine. To re-start transferring the next data after SIOCR1<SIOS> to “0”, first
make sure SIOSR<SIOF> = “0”, SIOSR<TXERR> = “0” and SIOSR<RXERR> = “0”, and read the
received data, and then write the transmit data and set SIOCR1<SIOS> = “1” to start transferring.
Note 1: An INTSIO interrupt occurs when the last bit of the last data byte is received.
Note 2: When writing to and reading from SIOBUF, make sure that the number of data bytes to transfer
is as specified in SIOCR2<SIORXD>. If the number is not equal to the value specified in
SIOCR2<SIORXD>, the SIO does not run normally.
Note 3: When as many data bytes as specified in SIOCR2<SIORXD> are read, SIOSR<RXF> is
cleared to “0”.
Note 4: In the transmit/receive mode, setting SIOCR1<SIOINH> to “1” to force the SIO to halt will cause
received data to be discarded.
Note 5: If a transfer sequence is started after a transmit or receive error has been detected, the SIO
does not run normally. Before starting transferring, set SIOCR1<SIOINH> = “1” to force the SIO
to halt.
Figure 12-13 SIOCR1<SIOS> Clear Timing (Transmit/Receive Mode)
A
7
C
6
C
5
C
4
C
3
C
2
C
1
C
0
C
5
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
SO pin
SI pin
SIOS
SIOF
SEF
RXF
TXF
INTSIO
SCK pin
X
7
X
6
X
5
X
4
X
3
X
2
X
1
X
0
X
5
W
7
W
6
W
5
W
4
W
3
W
2
W
1
W
0
SIOS = "0" causes
the SIO to stop
transferring.
All data bytes are
read from SIOBUF.
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TMP86CM25F 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:CMOS 8-BIT MICROCONTROLLER