TLC5949 Datasheet, PDF (25/51 Pages) Texas Instruments – 16-Channel, 12-Bit, ES-PWM, Full Self-Diagnosis LED Driver for 7-Bit Global BC LED Lamp

TLC5949
www.ti.com
SBVS219A – DECEMBER 2012 – REVISED DECEMBER 2012
SIN
SCLK
GS Data Write
GS0
4A
GS0
3A
GS0
2A
GS0
1A
188 189 190 191 192
GS0
0A
193
Control Data Write
High
Not
Valid
Not
Valid
1
2
3
RSV
3A
RSV
2A
RSV
1A
190 191 192
193
(1)
RSV 0A
GS Data Write
Low
GS15
15B
GS15
14B
GS15
13B
1234
LAT
GSCLK
BLANK Bit
in First Control Data Latch
(Internal)⁽²⁾
Data = 0
Common Shift Register
(Internal)
First GS Data Latch
(Internal)
Old GS Data
New GS Data
Second GS Data Latch
(Internal)
Old GS Data
First Control Data Latch
(Internal)
Old Control Data
Second Control Data Latch
(Internal)
OFF
OUTn
ON
SOUT
Old Control Data
GS and BC Controlled by Old Data
Low
(Bit 193 Data)
GS15 GS15 GS15
15A
14A
13A
GS0
2A
GS0
1A
GS0
0A
(1) RSV = reserved.
(2) BLANK data do not change with Auto Display Repeat enabled.
Figure 25. Auto Data Refresh Function 1
4096
4095 1 2 3 4 5 6 7 8
High
New GS Data
New Control Data
New Control Data
Controlled by New Data
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