tmp86c847iug TOSHIBA Semiconductor CORPORATION, tmp86c847iug Datasheet - Page 110

• Manufacturer Part Number: tmp86c847iug
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

10.2 Control
10. Synchronous Serial Interface (SIO)
10.2 Control
Serial Interface Control Register
SIOCR1
(0026H)
face can be inspected by reading the status register (SIOSR).
The SIO is controlled using the serial interface control register (SIOCR1). The operating status of the serial inter-
Note 1: When SIOCR1<SIOINH> is set to “1”, SIOCR1<SIOS>, SIOSR register, SIORDB register and SIOTDB register are initial-
Note 2: Transfer mode, direction of transfer and serial clock must be select during the transfer is stopping (when SIOSR<SIOF>
Note 3: fc: High-frequency clock [Hz], fs: Low-frequency clock [Hz], *: Don’t care
ized.
"0").
SIOS
SIOINH
SIODIR
7
SIOM
SIOS
SCK
SIOINH
6
Specify start/stop of transfer
Forcibly stops transfer (Note 1)
Selects transfer mode
Selects direction of transfer
Selects serial clock
5
SIOM
4
SIODIR
3
0: Stop
1: Start
0: –
1: Forcibly stop (Automatically cleared to "0" after stopping)
00: Transmit mode
01: Receive mode
10: Transmit/receive mode
11: Reserved
0: MSB (Transfer beginning with bit7)
1: LSB (Transfer beginning with bit0)
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000
001
010
011
100
101
110
111
2
<DV7CK> = "0"
NORMAL1/2 or IDLE1/2 modes
TBTCR
SCK
fc/2
fc/2
fc/2
fc/2
fc/2
fc/2
fc/2
1
12
8
7
6
5
4
3
External clock (Input from
0
<DV7CK> = "1"
(Initial value: 0000 0000)
TBTCR
fs/2
fc/2
fc/2
fc/2
fc/2
fc/2
fc/2
4
8
7
6
5
4
3
SCK
pin)
SLOW/SLEEP
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
TMP86C847IUG
mode
fs/2
4
R/W