参数资料
型号: TMP86C847UG
厂商: Toshiba Corporation
英文描述: Zener Diode; Application: General; Pd (mW): 500; Vz (V): 15.7 to 16.5; Condition Iz at Vz (mA): 5; 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: 124/160页
文件大小: 1541K
代理商: TMP86C847UG
Page 116
10. Synchronous Serial Interface (SIO)
10.3 Function
TMP86C847UG
Figure 10-14 Example of External Clock and MSB Transmit/Receive Mode
(4)
Transmit/receive error processing
Transmit/receive errors occur on the following situation. Corrective action is different, which
errors occur transmits or receives.
(a) Transmit errors
Transmit errors occur on the following situation.
Shift operation starts before writing next transmit data to SIOTDB in external clock op-
eration.
If transmit errors occur during transmit operation, SIOSR<TXERR> is set to “1” imme-
diately after starting shift operation. And INTSIO interrupt request is generated after all
of the 8-bit data has been received.
If shift operation starts before writing data to SIOTDB after SIOCR1<SIOS> is set to
“1”, SIOSR<TXERR> is set immediately after starting shift operation. And INTSIO in-
terrupt request is generated after all of the 8-bit data has been received.
SO pin is kept in high level when SIOSR<TXERR> is set to “1”. When transmit error
occurs, transmit operation must be forcibly stop by writing SIOCR1<SIOINH> to “1”
after the received data is read from SIORDB. In this case, SIOCR1<SIOS>, SIOSR reg-
ister, SIORDB register and SIOTDB register are initialized.
Writing transmit
data C
Writing transmit
data B
Writing transmit
data A
C
B
A7 A6
A
A5 A4 A3 A2 A1 A0 B7 B6 B5 B4 B3 B2 B1 B0 C7 C6 C5 C4 C3 C2 C1 C0
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
Clearing SIOS
Reading received data
Reading received
data F
Reading received
data E
Reading received
data D
F
E
D
Writing transmit data
SIOCR1<SIOS>
SIOSR<SIOF>
SIOSR<SEF>
SCK
pin output
SO pin
SI pin
INTSIO
interrupt
request
SIOSR<TXF>
SIOSR<RXF>
SIORDB
SIOTDB
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