TDA4780 Datasheet, PDF (6/44 Pages) NXP Semiconductors – RGB video processor with automatic cut-off control and gamma adjust

Philips Semiconductors
RGB video processor with automatic
cut-off control and gamma adjust
Preliminary specification
TDA4780
PINNING
SYMBOL PIN
DESCRIPTION
FSW₂
R₂
G₂
B₂
V_P
−(B − Y)
−(R − Y)
Y
1 fast switch 2 input
2 red input 2
3 green input 2
4 blue input 2
5 supply voltage
6
colour difference input −(B − Y)
7
colour difference input −(R − Y)
8 luminance input
GND
9 ground
R₁
G₁
B₁
FSW₁
SC
10 red input 1
11 green input 1
12 blue input 1
13 fast switch 1 input
14 sandcastle pulse input
BCL
15 average beam current limiting input
C_PDL
C_L
C_PDST
CI
16 storage capacitor for peak limiting
17 storage capacitor for leakage current compensation
18 storage capacitor for peak dark
19 cut-off measurement input
B_O
C_B
G_O
C_G
R_O
C_R
YHUE
SDA
SCL
20 blue output
21 blue cut-off storage capacitor
22 green output
23 green cut-off storage capacitor
24 red output
25 red cut-off storage capacitor
26 Y-output/hue adjust output
27 I²C-bus serial data input/acknowledge output
28 I²C-bus serial clock input
fpage
FSW2 ₁
R2 ₂
G2 3
B2 ₄
VP ₅
−(B − Y) 6
−(R − Y) 7
Y8
GND 9
R1 ₁₀
G1 ₁₁
B1 12
FSW1 ₁₃
SC 14
28 SCL
27 SDA
26 YHUE
25 ^CR
24 ^RO
23 CG
22 ^GO
TDA4780
21 CB
20 ^BO
19 CI
18 CPDST
17 CL
16 CPDL
15 BCL
MGE874
Fig.3 Pin configuration.
1997 Feb 06
6