tmp1941af TOSHIBA Semiconductor CORPORATION, tmp1941af Datasheet - Page 260

• Manufacturer Part Number: tmp1941af
• Description: 32-bit Tx System Risc
• Manufacturer: TOSHIBA Semiconductor CORPORATION

SIOS Bit
SIOF Bit
SEF Bit
SCK Output
SO Pin
SI Pin
IINTS2 Interrupt
Request
SBI0DBR
(a) Write of the transmit data
SBI0CR1 ← 0 1 1 0 0 X X X
SBI0DBR ← X X X X X X X X
SBI0CR1 ← 1 0 1 0 0 X X X
INTS2 interrupt
Reg.
SBI0DBR ← X X X X X X X X
Figure 14.28 Retention Time of the Transmit Data in Receive/Transmit Mode
Figure 14.27 Receive/Transmit Mode (Internal Clock Mode)
SCK Pin
SIOF Bit
SO Pin
←
*
a
SBI0DBR
7 6 5 4 3 2 1 0
c
a
0
0
bit 6
c
a
1
1
c
a
2
2
TMP1941AF-220
c
a
3
3
Bit 7 of the last byte transmitted
c
a
4
4
(c) Read of the
c
a
5
received data
5
Select receive/transmit mode.
Write the transmit data.
Start reception/transmission.
Read the received data.
Write the transmit data.
c
a
6
6
t
SODH
c
a
7
7
= 4/fsys/2 seconds (min.)
c
(b) Write of the
transmit data
b
d
0
0
b
b
d
1
1
The SIOS bit is cleared.
b
d
2
2
TMP1941AF
b
d
3
3
b
d
4
4
b
d
5
5
2003-03-27
b
d
(d) Read of the
received data
6
6
b
d
7
7
d