TLE7242-2G Datasheet, PDF (33/50 Pages) Infineon Technologies AG – 4 Channel Fixed Frequency Constant Current Control IC

TLE7242-2G
5.6.2.5
Functional Description and Electrical Characteristics
SPI Message #4 - Dither Period Set
Sent Values:
Dither Period Set
Reset Value: 00 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
not used
Dither Steps
Field
Bits
R/W
31
MSG_ID
30:26
Channel
25:24
Dither Steps 5:0
Type
Description
Read / Write Bit
0 = Read
1 = Write
Message Identifier
0 0100 = Dither Period Set
Channel Number
Dither Steps - # of Dither Steps in 1/4 of the dither waveform period.
Response:
Dither Period Set
Reset Value: 00 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
0
0
0
0
0
0
0
0
0
0
Dither Steps
Field
MSG_ID
Bits
30:26
Channel
25:24
Dither Steps 5:0
Type
Description
Message Identifier
0 0100 = Dither Period Set
Channel Number
Dither Steps - # of Dither Steps in 1/4 of the dither waveform period.
Dither_Period
[sec]
=
4*
DitherSteps
F_PWM
Data Sheet
33
Rev. 1.0, 2008-07-09