Datasheet

Data Sheet ADAS1000-3/ADAS1000-4
Rev. A | Page 11 of 76
Figure 3. Starting Read Frame Data (CPHA = 1, CPOL = 1)
Figure 4. Data Read and Write Timing Diagram (CPHA = 0, CPOL = 0)
SCLK
CS
SDI
t
CH
t
CSSA
t
CSHA
t
CSHD
t
CSSD
t
DH
t
DS
SDO
t
DO
DB[30]
N
DB[31]
N
R/W
DB[29]
N
DB[25]
N
MSB LSB
DB[24]
N
DATA
MSB LSB
DRDY
t
CSO
DRDY
t
DRDY_CS
DB[30]
N + 1
DB[31]
N + 1
DB[0]
N + 1
MSB
LSB
DB[1]
N + 1
DATA = NOP or 0x40
MSB
DB[31]
N
DB[0]
N
DB[30]
N
DB[1]
N
LSB
DB[30]
N – 1
DB[31]
N – 1
DB[1]
N – 1
DB[0]
N – 1
DB[23]
N – 1
DB[25]
N – 1
PREVIOUS DATA
HEADER (FIRST WORD OF FRAME)
DB[1]
DB[23]
t
CL
t
CSW
ADDRESS = 0x40 (FRAMES)
DB[24]
N – 1
10997-003
SCLK
CS
SDI
t
CH
t
CL
t
CSHA
t
CSHD
t
CSSD
t
DH
t
DS
t
CSW
SDO
DO_28
LAST
DO_29
LAST
DO_30
LAST
DO_1
LAST
DO_0
LAST
DB[30] DB[29] DB[28] DB[24] DB[1] DB[0]
LSB
MSB
MSB
LSB
t
DO
t
DO
DATAADDRESS
R/W
DO_31
t
CSSA
DB[31]
DB[2]
10997-004