Rainbow Electronics DS26502 - Manual (Page 120)

DS26502 T1/E1/J1/64KCC BITS Element
120 of 125
Figure 20-8. SPI Interface Timing Diagram, CPHA = 0, BIS[1:0] = 10
Figure 20-9. SPI Interface Timing Diagram, CPHA = 1, BIS[1:0] = 10
MSB LSB BITS 6-1
SLAVE LSB SLAVE MSB BITS 6-1
2
1
3
4
4
5
5
9
11
NOTE
CS
INPUT
CLK INPUT
CPOL = 0
CLK INPUT
CPOL = 1
MISO
OUTPUT
MOSI
INPUT
6 7
10
8
10
Note: Not defined, but usually LSB of character previously transmitted.
MSB LSB BITS 6-1
SLAVE MSB SLAVE LSB BITS 6-1
2
1 3
4
4
5
5
6 7
8
9
11 11 10
NOTE
CS
INPUT
CLK INPUT
CPOL = 0
CLK INPUT
CPOL = 1
MISO
INPUT
MOSI
OUTPUT
Note: Not defined, but usually MSB of character just received.