lc74772v Sanyo Semiconductor Corporation, lc74772v Datasheet - Page 6

• Manufacturer Part Number: lc74772v
• Description: Camcorder On-screen Display Lsi
• Manufacturer: Sanyo Semiconductor Corporation

Display Control Commands
The display control commands have an 8-bit serial input format. Data is input LSB first.
Display Control Command Table
Note: 1. If the CS pin is set high, the command state is set to the command 0 (system control setup) state.
COMMAND 0
System setup 1
COMMAND 1
System setup 2
COMMAND 2
Input control setup
COMMAND 3
General-purpose port control
COMMAND 4
Display operation control:
reverse video and blinking
COMMAND 5
Display control: on/off settings
for each output
COMMAND 6
Output control: systems 3 and 4
COMMAND 8
Display control: border
COMMAND 9
Display start position
COMMAND 10
Display line control
COMMAND 11
RAM write address
COMMAND 14
Display RAM setup data
Command code: (These 4 bits in the first byte identify the command.)
Command data: (These bits specify the data for each command.)
2. If a system reset is executed from the RST pin or by a command reset, the command register is set tot 0.
Command
• For commands 0 through 7, 8 bits of data are read in.
• For commands 8 through 14, 16 bits of data are read in.
• If the command 2 data-1 bit (DATAFMT) was set to 1, after the first byte of a command 14 is read
Command 14 is recognized by the upper 3 bits.
in, the system goes to continuous transfer mode for reading in a series of following bytes.
D7
0
0
0
0
0
0
0
1
1
1
1
1
Command code
D6
0
0
0
0
1
1
1
0
0
0
0
1
D5
0
0
1
1
0
0
1
0
0
1
1
1
BLK
D4
First byte
0
1
0
1
0
1
0
0
1
0
1
CSYN CLK
PORT OUT
VSYN HSYN DATA ART
POLT POLT FMT
DSPF DSP
VADR VADR VADR VADR
MOD POLT MOD1 MOD0
SL34 RSG
RST
SYS
SET
RVS
DSP
VP5
LNF
ON
D3
RV
SZ
LC74772V
4
0
3
RAM
CLR
DSP
BKC
P11
BLK
VP4
LNF
OT4
ON
D2
R
R
3
2
Data
OSC
OUT
GSG
STP
CLK
BLK
DSP
DSP
BKC
OT3
P10
VP3
LNF
D1
G
G
1
2
1
MOD
FMT
OUT
DSP
DSP
BSG
TST
CLK
BLK
BKC BKO4 BKO4 BKO3 BKO3 BKO2 BKO2 BKO1 BKO1
VP2
SEL
D0
P9
LN
B
B
0
1
0
VP1
D7
C7
F1
—
—
—
—
—
—
—
0
0
VP0
D6
C6
F0
—
—
—
—
—
—
—
0
0
HP5
LIN
126
D5
C5
—
—
—
F1
—
—
—
—
0
HADR HADR HADR HADR HADR
Second byte
HP4
LIN
115
D4
C4
—
—
—
—
F0
—
—
—
4
Data
HP3
LIN
104
D3
C3
—
—
—
—
—
—
—
F1
3
HP2
LIN
D2
F0
C2
—
—
—
—
—
—
—
93
2
No. 5159-6/17
HP1
LIN
D1
F1
C1
—
—
—
—
—
—
—
82
1
HP0
LIN
D0
F0
C0
—
—
—
—
—
—
—
71
0