TLE7242-2G Datasheet, PDF (44/50 Pages) Infineon Technologies AG – 4 Channel Fixed Frequency Constant Current Control IC

TLE7242-2G
Functional Description and Electrical Characteristics
5.6.2.12 SPI Message #11 - Autozero Read
Sent Values:
Autozero Read
Reset Value: xx 00 00 00_H
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
R/W
MSG_ID
CH1 CH0
unused
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
unused
Field
Bits
R/W
31
MSG_ID
Channel
30:26
25:24
Type
Description
Read / Write Bit
0 = Read
1 = Write (interpreted as a read)
Message Identifier
0 1011 = Autozero Read
Channel Number
Response Values:
Autozero Read
Reset Value: xx 00 00 00_H
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
0
MSG_ID
CH1 CH0 0
0
0
0
0
0
0
0
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
OVL PSL AZon AZoff
Autozero (on) value
Autozero (off) value
Field
MSG_ID
Channel
OVL
Bits
30:26
25:24
15
Type
Description
Message Identifier
01011 = Autozero Read
Channel Number
Overvoltage latch
This latch is set when the voltage on the BAT pin exceeds the
overvoltage threshold. The latch is reset when the BAT pin voltage is
below the threshold and the Autozero Read message is received.
Data Sheet
44
Rev. 1.0, 2008-07-09