tca62746 Marktech Optoelectronics, tca62746 Datasheet - Page 17

• Manufacturer Part Number: tca62746
• Description: 16-output Constant Current Led Driver With Output Open/short Detection
• Manufacturer: Marktech Optoelectronics

Timing chart of error detection mode
SLAT
SCK
A. Switching to Error detection mode
SIN
OE
1
SLAT
SCK
OE
2
SIN, 0
3
4
5
6
TCA62746, 0
N × 16-1
SOUT, 0
B. Setting of output terminal that does the error
SIN, 1
(OSD mode)
TCA62746, 1
SOUT, 1
N × 16 CLK
SIN, 0
SIN, 2
TCA62746, 2
2
1
SOUT, 2
0
17
C. Detection the error
2CLK
3 CLK or more
TCA62746, N-2
2 µs
SOUT, N-1
SOUT, 0
SOUT, 1
Don’t care
N × 16-1
15
31
TCA62746, N-1
14
30
D. Reading back the error status code
Error: 0, Normal: 1
N × 15 CLK
SOUT, N-1
TCA62746AFG/AFNG
1
E. Switching to Normal
2
2007-05-22
3
4
5
6