參數(shù)資料
型號: LC74787JM
廠商: Sanyo Electric Co.,Ltd.
英文描述: SMD-RES,20K,.1%, 1/10W,25PPM,.08X.05
中文描述: 屏幕顯示控制器
文件頁數(shù): 15/23頁
文件大?。?/td> 216K
代理商: LC74787JM
DA
Register
Contents
Notes
0 to 7
State
Function
7
1
6
1
Command 6 identification code.
5
1
Sets up synchronizing signal control.
4
0
3
SEL0
0
1
2
MOD0
0
1
1
DISLIN
0
12 lines
Switches the number of lines displayed
1
10 lines
0
MUT
0
Normal output
CV
OUT
switching
1
CV
IN
is cut and CV
OUT
is held at the pedestal level
SEL0
0
0
1
1
MOD
0
1
0
1
SEP
OUT
output
Sync separator signal
Low-level output
High-level output
ST pulse signal
No. 5730-15/23
LC74787, 74787M, 74787JM
COMMAND6 (Synchronizing signal detection setup command)
First byte
Switches the SEP
OUT
(pin 19) output
Second byte
DA
Register
Contents
Notes
0 to 7
State
Function
7
0
Second byte identification bit
6
RN2
0
1
5
RN1
0
1
4
RN0
0
1
3
SN3
0
1
2
SN2
0
1
1
SN1
0
1
0
SN0
0
1
Note: All registers are set to 0 when the LC74787/M/JM is reset by the RST pin.
External synchronizing signal detection control
Signal absent
signal present transition detection
Sets the sampling period in which SYNC can be
detected continuously in the horizontal synchronizing
signal period (1H).
External synchronizing signal detection control
Signal present
signal absent transition detection
Sets the sampling period in which SYNC cannot be
detected continuously in the horizontal synchronizing
signal period (1H).
RN2
0
0
0
1
RN1
0
0
1
0
RN0
0
1
0
0
Number of times HSYNC detected
0 times
4 times
8 times
16 times
SN3
0
0
0
0
1
SN2
0
0
0
1
0
SN1
0
0
1
0
0
SN0
0
1
0
0
0
Number of times HSYNC detected
Not detected
32 times
64 times
128 times
256 times
相關(guān)PDF資料
PDF描述
LC74787 On-Screen Display Controller(屏幕顯示控制器)
LC74788JM TRI N RECP F J/N 0-19 NO SEAL
LC74788 On-Screen Display Controller(屏幕顯示控制器)
LC74789JM On-Screen Display Controller
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