Data Sheet

18
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HTE501
6.10 Status Register (0xF32D, 0xF352, 0x3041)
The sensor implements two 16 bit status registers.
Their contents can be read using the following commands:
Command CMD Hex Code
MSB LSB
Read out Status Register 1
0xF3
0x2D
Read out Status Register 2 0x52
I²C
Datenstruktur
7654321 76543210 76543210 7654321
S
W
0
A
0
A
0
A
0
S
R
1
A
0
76543210 76543210 76543210
A
0
A
0
N
1
P
R / W R / W
I2C ADDRESS
CMD MSB=0xF3
NEXT2
I2C ADDRESS
STATUS MSB
2
STATUS LSB CRC8
16 BIT COMMAND
CMD LSB
ASTRID_I2C_Befehle_version2 - Kopie / 0xF352_0xF32D 20.09.2021 \ Haider A.
Figure 20: Read out status register
Upon receipt of the following clear command, bits 15, 4 and 3 are cleared in status register 1. All other bits
remain unaffected:
Command CMD Hex Code
Clear Status Register 0x3041
I²C
Datenstruktur
7654321 76543210 76543210
S
W
0
A
0
A
0
A
0
P
R / W
I2C ADDRESS
CMD MSB=0x30
16 BIT COMMAND
CMD LSB=0x41
ASTRID_I2C_Befehle_version2 - Kopie / 0x3041 20.09.2021 \ Haider A.
Figure 21: Clear status register 1
The Status Register 2 is read only!
BIT
NAME DESCRIPTION
15 OVERALL_ERROR
0: none of bits [11:0] set
1: at least one of bits [11:0] set
This bit is cleared upon the Clear Status Register 1 command
14 Reserved -
13 CONSTANT_HEATER
0: Heater OFF
1: Heater ON
12 Reserved -
11 Reserved -
10 Reserved -
9 Reserved -
8 Reserved -
7 Reserved -
6 Reserved -
5 Reserved -
4 System Reset
0: no reset since status 1 clear
1: POR or I
2
C reset
This bit is cleared upon the Clear Status Register 1 command