Datasheet

DS26521 Single T1/E1/J1 Transceiver
27 of 258
Figure 8-5. SPI Serial Port Access for Write Mode (SPI_CPOL = 0, SPI_CPHA = 0)
0
A
13
LSB MSB
SPI_SLCK
C
S
B
SPI_MOSI
SPI_MISO
D7 D6 D5 D4 D3 D2 D1 D0
LSBMSB
A
4
A
3
A
2
A
1
A
0
LSBMSB
A
12
A
11
A
10
A
9
A
8
A
7
A
6
A
5
B
Figure 8-6. SPI Serial Port Access for Write Mode (SPI_CPOL = 1, SPI_CPHA = 0)
SPI_SCLK
C
S
B
0
A
13
LSB MSB
SPI_MOSI
SPI_MISO
D7 D6 D5 D4 D3 D2 D1 D0
LSBMSB
A
4
A
3
A
2
A
1
A
0
LSBMSB
A
12
A
11
A
10
A
9
A
8
A
7
A
6
A
5
B
Figure 8-7. SPI Serial Port Access for Write Mode (SPI_CPOL = 0, SPI_CPHA = 1)
SPI_SCL
K
C
S
B
0
A
13
LSB MSB
SPI_MOSI
SPI_MISO
D7 D6 D5 D4 D3 D2 D1 D0
LSBMSB
A
4
A
3
A
2
A
1
A
0
LSBMSB
A
12
A
11
A
10
A
9
A
8
A
7
A
6
A
5
B
Figure 8-8. SPI Serial Port Access for Write Mode (SPI_CPOL = 1, SPI_CPHA = 1)
SPI_SCLK
C
S
B
0
A
13
LSB MSB
SPI_MOSI
SPI_MISO
D7 D6 D5 D4 D3 D2 D1 D0
LSBMSB
A
4
A
3
A
2
A
1
A
0
LSBMSB
A
12
A
11
A
10
A
9
A
8
A
7
A
6
A
5
B