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TLC5945

SLVS755 – MARCH 2007

DEVICE INFORMATION (continued)

TERMINAL FUNCTION (continued)

TERMINAL

I/O

DESCRIPTION

NAME

PWP

RHB

SOUT

24

23

O

Serial data output

TEST

26

25

I

Test pin: TEST must be connected to VCC.

VCC

28

27

I

Power supply voltage.

Input mode-change pin. When MODE = GND, the device is in GS mode. When MODE =

MODE

6

3

I

XERR

23

22

O

Error output. XERR is an open-drain terminal. XERR goes L when LOD or TEF is detected.

Level triggered latch signal. When XLAT = high, the TLC5945 writes data from the input shift

XLAT

3

32

I

register to either GS register (MODE = low) or DC register (MODE = high). When XLAT=low,

the data in the GS or DC registers is held constant and does not change.

7

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