SAA7196 Datasheet, PDF (31/76 Pages) NXP Semiconductors – Digital video decoder, Scaler and Clock generator circuit DESCPro

Philips Semiconductors
Digital video decoder, Scaler and Clock
generator circuit (DESCPro)
Product specification
SAA7196
Table 12 VRAM port output formats for bits 31 to 16 (continued in Table 13)
EFE-bit = 0 and VOF-bit = 0 (controllable via I²C-bus); burst mode only; note 1.
VMUX
PIXEL
OUTPUT
BIT
FS1 = 0; FS0 = 0
RGB 5-5-5+α
16-BIT LONG WORD
n
n+2
FS1 = 0; FS0 = 1
YUV 4 : 2 : 2
16-BIT WORDS
n
n+2
1
0
1
0
1
0
1
0
VRO31
α
Z
α
Z
Ye7
Z
Ye7
Z
VRO30 R4
Z
R4
Z
Ye6
Z
Ye6
Z
VRO29 R3
Z
R3
Z
Ye5
Z
Ye5
Z
VRO28 R2
Z
R2
Z
Ye4
Z
Ye4
Z
VRO27 R1
Z
R1
Z
Ye3
Z
Ye3
Z
VRO26 R0
Z
R0
Z
Ye2
Z
Ye2
Z
VRO25 G4
Z
G4
Z
Ye1
Z
Ye1
Z
VRO24 G3
Z
G3
Z
Ye0
Z
Ye0
Z
VRO23 G2
Z
G2
Z
Ue7
Z
Ue7
Z
VRO22 G1
Z
G1
Z
Ue6
Z
Ue6
Z
VRO21 G0
Z
G0
Z
Ue5
Z
Ue5
Z
VRO20 B4
Z
B4
Z
Ue4
Z
Ue4
Z
VRO19 B3
Z
B3
Z
Ue3
Z
Ue3
Z
VRO18 B2
Z
B2
Z
Ue2
Z
Ue2
Z
VRO17 B1
Z
B1
Z
Ue1
Z
Ue1
Z
VRO16 B0
Z
B0
Z
Ue0
Z
Ue0
Z
FS1 = 1; FS0 = 1
8-bit monochrome
16-BIT WORDS
n
n+1
n+4
n+5
1
0
1
0
Ya7
Z
Ya7
Z
Ya6
Z
Ya6
Z
Ya5
Z
Ya5
Z
Ya4
Z
Ya4
Z
Ya3
Z
Ya3
Z
Ya2
Z
Ya2
Z
Ya1
Z
Ya1
Z
Ya0
Z
Ya0
Z
Yb7
Z
Yb7
Z
Yb6
Z
Yb6
Z
Yb5
Z
Yb5
Z
Yb4
Z
Yb4
Z
Yb3
Z
Yb3
Z
Yb2
Z
Yb2
Z
Yb1
Z
Yb1
Z
Yb0
Z
Yb0
Z
Note
1. α = keying bit; R, G, B, Y, U and V = digital signals; e = even pixel number; o = odd pixel number;
a, b, c, d = consecutive pixels; Z = high-impedance (3-state).
1996 Nov 04
31