HP206C Datasheet, PDF (8/17 Pages) List of Unclassifed Manufacturers – PRECISION BAROMETER AND ALTIMETER SENSOR

DataSheet
HP206C
Table6: The Command Set
Name
Hex Code
SOFT_RST 0x06
ADC_CVT
NA
READ_PT
0x10
READ_AT
READ_P
READ_A
READ_T
ANA_CAL
READ_REG
WRITE_REG
0x11
0x30
0x31
0x32
0x28
NA
NA
Binary Code
0000 0110
010_OSR_chnl
0001 0000
0001 0001
0011 0000
0011 0001
0011 0010
0010 1000
10_addr
11_addr
Descriptions
Soft reset the device
Perform ADC conversion
Read the temperature and pressure
values
Read the temperature and altitude values
Read the pressure value only
Read the altitude value only
Read the temperature value only
Re-calibrate the internal analog blocks
Read out the control registers
Write in the control registers
5. I²C Interface
The I²C interface is fully compatible to the official I²C protocol specification. All the data are sent starting
from the MSB. Successful communication between the host and the device via the I²C bus can be done
using the four types of protocol introduced below.
5.1 I²C Specification
Table7: I²C Slave Timing Values
Parameter
SCL Clock Frequency
Bus free time between STOP and START
condition
Repeated START Hold Time
Repeated START Setup Time
STOP Condition Setup Time
SDA Data Hold Time
SDA Setup Time
SCL Clock Low Time
SCL Clock High Time
SDA and SCL Rise Time
SDA and SCL Fall Time
Symbol
S_CL
t_BUF
t_HD.STA
t_SU.STA
t_SU.STO
t_HD.DAT
t_SU.DAT
t_LOW
t_HIGH
t_R
t_F
I²C
Condition
Min
Pull-up = 10 kΩ
0
1.5
0.6
0.6
0.6
100
100
1.5
0.6
30
30
Typ. Max ^Unit
400 ^KHz
µs
µs
µs
µs
ns
ns
µs
µs
500 ns
500 ns
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