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参数资料
| 型号： | LC7871NE |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封装： | QFP-100 |
| 文件页数： | 7/19页 |
| 文件大小： | 299K |
| 代理商： | LC7871NE |
D = Command select
0: Normal operation
1: Register 9 is used for VRAM display control (PM or SM) and MGC access memory
control.
EFG = Comparison conditions for superimposition mode (only valid when SON = 1)
EF = 00: No comparison performed.
01: When the border color is not black, YS is set high (display) for portions that do not
match the border color, and is set low (clear) otherwise.
11: YS is set high for sections that do not match the chroma key color, and is set low
otherwise.
G = 0: When EF is 00 or the comparison condition is false for EF = 01, the whole screen is set
low (clear).
G = 1: When EF is 00 or the comparison condition is false for EF = 01, the whole screen is set
high (display).
H = INIT
0: Normal operation
1: Internal reset
On an internal reset the display screen is reset to the BGC screen.
Register 1 (screen position adjustment)
Data: lsb [HHHHVVVV] msb.
The default is [00000000].
H = Horizontal direction. Specified as a two’s complement value with positive values indicating a shift to the
left. The position can be shifted from –16 to +14 dots from the center in two dot increments.
V = Vertical direction. Specified as a two's complement value with positive values indicating an upwards shift.
The position can be shifted from –16 to +14 dots from the center in two dot increments.
Register 2 (on/off control of channels 0 through 7)
Data: lsb [CCCCCCCC] msb.
The default is [00000000].
C = CH0 to CH7. 0: off, 1: on
Channels 0 through 7 are controlled according to the logical OR of this register and the CH0 to CH7 input pins.
Register 3 (on/off control of channels 8 through 15)
Data: lsb [CCCCCCCC] msb.
The default is [00000000].
C = CH8 to CH15. 0: off, 1: on
Channels 8 through 15 are controlled according to the logical OR of this register and the CH8 to CH15 input
pins.
Register 4 (BGC R and G setting)
Data: lsb [RRRRGGGG] msb.
The default is [00000000].
Register 5 (BGC B setting)
Data: lsb [----BBBB] msb.
The default is [----0101].
Register 6 (chroma key color setting, R)
Data: lsb [--RRRRRR] msb.
The default is [--010000].
Register 7 (chroma key color setting, G)
Data: lsb [--GGGGGG] msb.
The default is [--010000].
Register 8 (chroma key color setting, B)
Data: lsb [--BBBBBB] msb.
The default is [--010000].
No. 4861-15/19
LC7871E, 7871NE
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