ADAS1000BSTZ Datasheet, PDF (11/80 Pages) Analog Devices – Low Power, Five Electrode trocardiogram (ECG) Analog Front End

Data Sheet
ADAS1000/ADAS1000-1/ADAS1000-2
t_{DRDY_CS}
DRDY
SCLK
t_CSHA
t_CSSA
t_CH
t_CL
t_CSHD
t_CSSD
CS
SDI
SDO
MSB
t_DS
t_DH
DB[31]
N
DB[30]
N
DB[29]
N
DB[25]
N
DB[24]
N
DB[23] DB[1]
LSB
DB[0]
N
t_CSW
MSB
DB[31]
N+1
DB[30]
N+1
LSB
DB[1] DB[0]
N+1 N+1
t_CSO
R/W ADDRESS = 0x40 (FRAMES)
DATA
DATA = NOP or 0x40
MSB
DB[31]
DRDY _{N – 1}
DB[30]
N–1
DB[25] DB[24] DB[23] DB[1]
N–1 N–1 N–1 N–1
LSB
DB[0]
N–1
MSB
DB[31]
N
DB[30]
N
DB[1]
N
LSB
DB[0]
N
t_DO
PREVIOUS DATA
HEADER (FIRST WORD OF FRAME)
Figure 3. Starting Read Frame Data (CPHA = 1, CPOL = 1)
SCLK
CS
SDI
SDO
t_CH
t_CSSA
t_CL
t_CSHA
t_DS
MSB
DB[31]
t_DH
DB[30]
DB[29]
DB[28]
DB[24]
DB[2]
t_CSHD
t_CSSD
DB[1]
LSB
DB[0]
t_CSW
R/W
t_DO
MSB
ADDRESS
DO_31_{LAST DO_30LAST DO_29LAST DO_28LAST}
DATA
LSB
DO_1_LAST DO_0_LAST
t_DO
Figure 4. Data Read and Write Timing Diagram (CPHA = 0, CPOL = 0)
Rev. A | Page 11 of 80