TLC5926-Q1_16 Datasheet, PDF (16/36 Pages) Texas Instruments – TLC592x-Q1 16-Channel Constant-Current LED Sink Drivers

TLC5926-Q1, TLC5927-Q1
SLVS973A – SEPTEMBER 2009 – REVISED JULY 2015
Device Functional Modes (continued)
CLK
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
OE(ED2) 1
LE(ED1) ₀
SDI
OUT0
OUT1
OUT2
OUT3
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off
on
off
on
off
on
off
on
off
OUT15
on
SDO
Don't care
Figure 8. Normal Mode
Table 4. Truth Table in Normal Mode
CLK
↑
↑
↑
↓
↓
LE(ED1)
H
L
H
X
X
OE(ED2)
L
L
L
L
H
SDI
Dn
Dn + 1
Dn + 2
Dn + 3
Dn + 3
OUT0...OUT15
Dn...Dn – 7...Dn – 15
No change
Dn + 2...Dn – 5...Dn – 13
Dn + 2...Dn – 5...Dn – 13
off
SDO
Dn – 15
Dn – 14
Dn – 13
Dn – 13
Dn – 13
The signal sequence shown in Figure 9 makes the TLC592x-Q1 enter Current Adjust and Error Detection mode.
1
2
3
4
5
CLK
OE(ED2) ¹
0
1
1
1
LE(ED1) ⁰
0
0
1
0
Figure 9. Switching to Special Mode
16
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