TMP92CD54I Datasheet, PDF (182/343 Pages) Toshiba Semiconductor – 32-bit Micro-controller

TMP92CD54I
SBI2CR1 ^{Bit symbol}
(0180H) Read/Write
After Reset
Prohibit
Read-
modify-write
Function
Serial Bus Interface 2 Control Register 1
7
6
5
4
3
SIOS
SIOINH SIOM1
SIOM0
-
W
W
0
0
0
0
Transfer start Continue/ Transfer mode select
0: stop
abort transfer 00: Transmit Mode
1: start
0: Continue 01: (reserved)
transfer 10: Transmit/Receive Mode
1: Abort
11: Receive Mode
transfer
1
Note2)
Write 0 to this
bit.
2
1
0
SCK2
SCK1
SCK0
W
0
0
0
Serial clock selection
Serial clock selection <SCK2 to 0> @ write
000 n = 4 1.25 MHz
001 n = 5 625 kHz
010 n = 6 313 kHz
011 n = 7 156 kHz
100 n = 8 78.1 kHz
101 n = 9 39.1 kHz
110 n = 10 19.5 kHz
CPU clcok: fc
fc = 20 MHz
(output to SCK pin)
fscl =
fc
2ⁿ
[Hz]
111 − external clock : SCK2
Software reset state monitor <SWRMON> @ read
0 During software reset
1 Not during software reset
Transfer mode selection
00 8-bit transmit mode
01 (reserved)
10 8-bit transmit / receive mode
11 8-bit receive mode
Continue / abort transfer
0 Continue transfer
1 Abort transfer (automatically cleared after transfer
aborted)
Indicate transfer start / stop
0 Stop
1 Start
Note1: Set the tranfer mode and the serial clock after setting <SIOS> to “0” and <SIOINH> to “1”.
Note2: Write 0 to this bit in SIO mode.
SBI2DBR
(0181H)
Prohibit
Read-
modify-write
Bit symbol
Read/W rite
After Reset
7
RB7/TB7
Serial Bus interface 2 Data Buffer Register
6
5
4
3
2
RB6/TB6 RB5/TB5 RB4/TB4 RB3/TB3 RB2/TB2
R (receiver) / W (transfer)
Undefined
1
RB1/TB1
0
RB0/TB0
Figure 3.10.33 Register for the SIO Mode
92CD54I-182
2006-01-27