lc7872e Sanyo Semiconductor Corporation, lc7872e Datasheet - Page 10

• Manufacturer Part Number: lc7872e
• Description: Cd Graphics Decoder
• Manufacturer: Sanyo Semiconductor Corporation

Continued from preceding page.
CD-G Instructions
The LC7872E supports the following instructions that appear in the R to W subcodes as described in the CD Red Book.
1. MODE = 0, ITEM = 0 ZERO mode
2. MODE = 1, ITEM = 0 LINE GRAPHICS mode
3. MODE = 1, ITEM = 1 TV-GRAPHICS mode
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
• Write FONT instruction (4)
• Write Scroll SCREEN instruction (12)
• Preset MEMORY instruction (1)
• Preset BORDER instruction (2)
• Write FONT FOREGROUND/BACKGROUND instruction (6)
• Scroll SCREEN with preset instruction (20)
• Scroll SCREEN with Copy instruction (24)
• Load CLUT Color-0...7 instruction (30)
• Load CLUT Color-8...15 instruction (31)
• EXCLUSIVE-OR FONT instruction (38)
• Define Color Transparency instruction (28)
HRESET
VRESET
Symbol
RESET
XOUT2
XOUT1
PALID
N/P1
N/P2
SON
XIN2
XIN1
FSX
DEN
FSC
I/O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
Error state monitor trigger
Disk information display enable pin
Superimposition PAL mode external control (pull-up resistor built in)
Horizontal timing external control
Subcarrier clock output
Vertical timing external control
Reset input
NTSC/PAL selection
NTSC/PAL selection
Superimposition on/off
Crystal oscillator connection 17.734476 MHz (PAL)
Crystal oscillator connection 17.734476 MHz (PAL)
Crystal oscillator connection 14.31818 MHz (NTSC)
Crystal oscillator connection 14.31818 MHz (NTSC)
LC7872E
High: BGC
Low: Enable
NTSC mode: 3.579545 MHz
PAL mode: 4.433619 MHz
High: NTSC
Low: PAL
High: NTSC
Low: PAL
(pull-down resistor built in)
(RGB encoder)
(CD-G decoder)
Function
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