Si1153 Data Sheet
User to Sensor Communication
5.4 I2C Register Summary
The content of the three MSBits of Response0 after reset will depend on the running state (see the Response0 write up).
Table 5.2. I2C Registers
Register Name
I2C Address
Direction WRT
Host
Function
Value after Reset Direction WRT Sen-
sor
(Hard or Soft)
PART_ID
0x00
IN
Returns DEVID
(0x53 for the
Si1153).
PART_ID
OUT
HW_ID
REV_ID
HOSTIN0
0x01
0x02
0x0A
IN
IN
Returns Hardware
ID.
HW_ID
REV_ID
0x00
OUT
OUT
IN
Hardware Rev
(0xMN).
IN/OUT
Data for parameter
table on PAR-
AM_SET write to
COMMAND register.
COMMAND
0x0B
IN/OUT
Initiated action in
Sensor when specif-
ic codes written
here.
0x00
IN
IRQENABLE
RESPONSE1
0x0F
0x10
IN/OUT
IN
The six least signifi-
cant bits enable In-
terrupt Operation.
0x00
0x00
IN
Contains the read-
back value from a
param query or a
param set com-
mand.
IN/OUT
The 5th MSB of the
counter is an error
indicator, with the 4
LSBits indicating the
error code when the
MSB is set.
RESPONSE0
0x11
IN
0xXXXX1111
IN/OUT
IRQ_STATUS
0x12
IN
IN
The six least signifi-
cant bits show the
interrupt status.
0x00
0x00
IN/OUT
IN/OUT
HOSTOUT0
to
0x13
to
Captured Sensor
Data.
HOSTOUT25
0x2C
5.4.1 PART_ID
I2C Address = 0x00;
Contains Part ID, e.g., 0x53 for Si1153.
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