Data Sheet
DocID031281 Rev 2 21/35
VL53L1X Control interface
35
Figure 16. VL53L1X data format (sequential read)
4.1 I
2
C interface - timing characteristics
Timing characteristics are shown in Table 10. Please refer to Figure 17 for an explanation of
the parameters used.
S As
ADDRESS[7:0]
Am
DATA[7:0]
P
0x53 (read)
Am
DATA[7:0]
Am
DATA[7:0]
Am
DATA[7:0]
Am
DATA[7:0]
S As
ADDRESS[7:0]
INDEX[7:0]
As P
0x52 (write)
INDEX[15:8]
As
Table 10. I
2
C interface - timing characteristics for Fast mode (400 kHz)
Symbol Parameter Min. Typ. Max. Unit
F
I2C
Operating frequency 0 - 400 kHz
t
LOW
Clock pulse width low 1.3 - -
μs
t
HIGH
Clock pulse width high 0.6 - -
t
SP
Pulse width of spikes which are
suppressed by the input filter
- - 50 ns
t
BUF
Bus free time between transmissions 1.3 - - ms
t
HD.STA
Start hold time 0.26 - -
μst
SU.STA
Start set-up time 0.26 - -
t
HD.DAT
Data in hold time 0 - 0.9
t
SU.DAT
Data in set-up time 50 - -
nst
R
SCL/SDA rise time - - 120
t
F
SCL/SDA fall time - - 120
t
SU.STO
Stop set-up time 0.6 - - μs
Ci/o Input/output capacitance (SDA) - - 10
pFCin Input capacitance (SCL) - - 4
C
L
Load capacitance - 125 400