PGA460-Q1 Datasheet, PDF (28/112 Pages) Texas Instruments – Automotive Ultrasonic Signal Processor and Transducer Driver

PGA460-Q1
SLASEC8 – FEBRUARY 2017
www.ti.com
VPWR
IO [V]
0
tCOMMAND_TCI t_{DT_TCI} t_{BIT_TCI}
tBIT_TCI
tBIT_TCI
......
W/R
INDX3 INDX2 INDX1 INDX0
DATA
N
DATA
N±1
......
tBIT_TCI t_{DT_TCI}
tBIT_TCI t_{DT_TCI}
.....
.....
DATA0 CHK_SUM7
CHK_SUM0
ACK
HI-Z
(Bus Idle)
OUT
LOW
OUT
HIGH
DATA OUTPUT
OUT/IN INPUT IN/OUT
HI-Z
(Bus Idle)
HI-Z
(Bus Idle)
Write/Read
Bit
Subcommand Index
Field
INPUT
Data
Frame Checksum
IN/OUT
DATA
OUTPUT
OUT/IN
HI-Z
(Bus Idle)
Acknowledge
Figure 17. Time-Command Interface CONFIGURATION/STATUS Command—Write
VPWR
IO (V)
0
HI-Z
(Bus Idle)
tCOMMAND_TCI t_{DT_TCI} t_{BIT_TCI}
W/R
tBIT_TCI
tBIT_TCI
tBIT_TCI
tBIT_TCI tDT_TCI
tBIT_TCI
INDX3 INDX2 INDX1 INDX0
DATA
N
......
......
tBIT_TCI tDT_TCI
DATA
N±1
.....
.....
DATA0 CHK_SUM7
CHK_SUM0
OUT
LOW
OUT
HIGH
OUTPUT
OUT/IN
INPUT
IN/OUT
HI-Z
(Bus Idle)
HI-Z
(Bus Idle)
INPUT
IN/OUT
OUTPUT
Write/Read
Bit
Subcommand Index
Field
Data
Frame Checksum
Figure 18. Time-Command Interface CONFIGURATION/STATUS Command—Read
OUT/IN
HI-Z
(Bus Idle)
28
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