TLD5541-1QV Datasheet, PDF (70/82 Pages) Infineon Technologies AG – H-Bridge DC/DC Controller with SPI Interface

12.6.2 Register structure
H-Bridge DC/DC Controller with SPI Interface
TLD5541-1QV
Serial Peripheral Interface (SPI)
Table 12-3 describes in detail the available registers with their bit-fields function, size and position
Table 12-2 shows register addresses and summarize bit-field position inside each register
Table 12-2 Register Bank 0
Bit
15 14 13 12 11 10 9 8 7
6
5
4
3
2
1
0
Name
W/ R ADDR
RB
Data
LEDCURR W/ 0 0 0 0 0 0 0 ADIMVAL
ADIM
R
LEDCURR W/ 0 0 0 0 0 1 1 x
CAL
R
x
SOCAL EOCAL CALIBVAL
SWTMOD W/ 0 0 0 0 1 0 1 x
R
x
x
OUTOV x
LAT
ENSP FMSP FDEVS
READ READ PREAD
DVCCTRL W/ 0 0 0 0 1 1 0 x
R
x
x
ENCAL CLRL SWR IDLE
AT ST
MFSSETU W/ 0 0 0 1 0 0 1 EA_IO ILIM_ SOMF EOMFS LEDCHAIN
P1
R
UT_M HALF S
FS _MFS
MFSSETU W/ 0 0 0 1 0 1 0 MFSDLY
P2
R
CURRMO W/ 0 0 0 1 1 0 0 x
N
R
x
SOMO EOMO INCURR
N
N
LEDCURR
REGUSET W/ 0 0 0 1 1 1 1 x
MON
R
x
x
REGUMODFB x
A write to a non existing address is ignored, a read to a non existing register is ignored and the STD Diagnosis
Frame is send out.
Table 12-3 Register description
Register name Field
LEDCURRADIM ADIMVAL
Bits Type Purpose
7:0 r/w
LED Current Configuration Register
00000000_B, analog dimming @ 0% of LED current fixed via
R_FB
11110000_B, (default) analog dimming @ 100% of LED
current fixed via R_FB
Data Sheet
70
Rev. 1.0, 2016-05-20