TLC5910

LED DRIVER

SLLS392 – NOVEMBER 1999

4

POST OFFICE BOX 655303

functional block diagram for shift register and data latch

D.C.

LATCH

DATA

S/R

DATA

LATCH

XENABLE

DCLK

0

1

B.C.

S/R

DCLK

Controller

B.C.

LATCH

DOUT<0–9>

Clock Counter

Current Controller

A

a

b

c

B

A

a

b

c

B

A

a

b

c

1

0

XOE

DPOL

DCCLK

DIN<0–9>

DCDIN<0–5>

XLATCH

XDCLAT

RSEL<0–1>

BCENA

DCENA

A

a

b

c

B

HI–Z

Default

DATA

Comparator

DATA

Comparator

DCDOUT<0–5>

10

10 16

10 16

1†

10

10

10

10

10

10

10

10

6

6

6 16

6

6 16

D.C.

S/R

6 16

2‡

6 16

B.C. (brightness control) : Adjustment for brightness deviation between LED modules, and between panels.

D.C. (dot control) : Adjustment for brightness deviation between dots.

† 1 : Connect to 16th 10 bit bus

‡ 2 : Connect to 16th 6 bit bus

RSEL

CONNECTION

RSEL1

RSEL0

CONNECTION

0

0

A – a, B – c

0

1

A – b, B – c

1

0

A – c

1

1

INHIBIT