TCA62746AFG Datasheet, PDF (17/25 Pages) Toshiba Semiconductor – 16-Output Constant Current LED Driver with Output Open/Short Detection

Timing chart of error detection mode (OSD mode)
TCA62746AFG/AFNG
SIN, 0
SCK
SLAT
OE
SOUT, 0
TCA62746, 0
SIN, 1 SOUT, 1
TCA62746, 1
SIN, 2
SOUT, 2
TCA62746, 2
TCA62746, N-2
SOUT, N-1
TCA62746, N-1
123456
SCK
SIN
SLAT
N × 16-1
OE
N × 16 CLK
3 CLK or more
SIN, 0
210
Don’t care
2CLK
2 µs
N × 15 CLK
SOUT, 0 15 14
SOUT, 1 31 30
123456
A. Switching to Error detection mode B. Setting of output terminal that does the error
SOUT, N-1 N×16-1
C. Detection the error
D. Reading back the error status code
Error: 0, Normal: 1
E. Switching to Normal
17
2007-05-22