Functional timing diagrams, Processor interface, Parallel port mode – Rainbow Electronics DS26502 User Manual
Page 108: Spi serial port mode, Rocessor, Nterface, Tion, Afte, After a
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DS26502 T1/E1/J1/64KCC BITS Element
108 of 125
18. FUNCTIONAL TIMING DIAGRAMS
18.1 Processor Interface
18.1.1 Parallel Port Mode
See the AC Timing section.
18.1.2 SPI Serial Port Mode
Figure 18-1. SPI Serial Port Access, Read Mode, CPOL = 0, CPHA = 0
Figure 18-2. SPI Serial Port Access, Read Mode, CPOL = 1, CPHA = 0
Figure 18-3. SPI Serial Port Access, Read Mode, CPOL = 0, CPHA = 1
1
A7
0
0
0
0
0
0
D7
D6
D5
D4
D3
D2
D1
D0
LSB
MSB
LSB
MSB
SCK
CS
MOSI
MISO
B
A6
A5
A4
A3
A2
A1
LSB
MSB
A0
SCK
CS
1
A7
0
0
0
0
0
0
D7
D6
D5
D4
D3
D2
D1
D0
LSB
MSB
LSB
MSB
MOSI
MISO
B
A6
A5
A4
A3
A2
A1
LSB
MSB
A0
SCK
CS
1
A7
0
0
0
0
0
0
D7
D6
D5
D4
D3
D2
D1
D0
LSB
MSB
LSB
MSB
MOSI
MISO
B
A6
A5
A4
A3
A2
A1
LSB
MSB
A0
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