TLC5945
www.ti.com
SLVS755–MARCH 2007
DEVICE INFORMATION (continued)
TERMINAL FUNCTION (continued)
TERMINAL
I/O
DESCRIPTION
NAME
SOUT
TEST
VCC
PWP
24
RHB
23
O
I
Serial data output
26
25
Test pin: TEST must be connected to VCC.
Power supply voltage.
28
27
I
Input mode-change pin. When MODE = GND, the device is in GS mode. When MODE =
VCC, the device is in DC mode.
MODE
XERR
6
3
I
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
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.
XLAT
3
32
I
7
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