参数资料
型号: LC74794M
元件分类: 画面叠加
英文描述: ON-SCREEN DISPLAY IC, PDSO30
封装: MFP30S
文件页数: 15/30页
文件大小: 320K
代理商: LC74794M
No. 5557-22/30
LC74794, 74794M
COMMAND14 (VPS/PDC control setup command)
First byte
DA
Register
Contents
Notes
0 to 7
State
Function
7—
1
6—
1
5—
1
4—
1
3—
0
2—
1
Extended command 7 identification code
1—
1
0—
1
Command 7 identification code
Display control setup
Second byte
DA
Register
Contents
Notes
0 to 7
State
Function
7—
0
Second byte identification bit
6—
0
5—
0
4
HBS2
0
Discrimination mode 1
Clock line
1
Discrimination mode 2
3
HBS1
0
Discrimination mode 1
Framing code
1
Discrimination mode 2
0
Error checking enabled (Error checking can be turned on or off on a per-byte
2
BMS
basis.)
1
Error checking disabled (Applications can select whether to hold or write
data with errors on a per-byte basis.)
1
EMS
0
Data hold
1
Data write (In VPS mode, the error bit is set to 0.)
Error checking turned on for data unused bytes.
0
VPS: bytes 3, 4, and 6 to 10. PDCC (8/30/2): bytes 7 to 12. Header 1: bytes
14 to 37. Header 2: bytes 14 to 29, Header 3: bytes 14 to 21. Status 1 (3):
0
DCE
bytes 7 to 25. Status 2 (4): bytes 7 to 35.
Error checking turned off for data unused bytes.
1
VPS: bytes 3, 4, and 6 to 10. PDCC (8/30/2): bytes 7 to 12. Header 1: bytes
14 to 37. Header 2: bytes 14 to 29, Header 3: bytes 14 to 21. Status 1 (3):
bytes 7 to 25. Status 2 (4): bytes 7 to 35.
Note: All registers are set to 0 when the LC74794/M is reset by the RST pin.
When 0, bytes for which error checking is
specified and that have no errors are written to
P-S. When 1, all bytes are written to P-S
regardless of errors.
The handling of bytes for which error checking
is turned off when error checking is enabled.
Error checking specification for bytes whose
data is unused.
Bi-phase (VPS), Hamming (PDC), or odd
parity (header)
相关PDF资料
PDF描述
LC74794 ON-SCREEN DISPLAY IC, PDIP30
LC74795M ON-SCREEN DISPLAY IC, PDSO30
LC74795 ON-SCREEN DISPLAY IC, PDIP30
LC74799 ON-SCREEN DISPLAY IC, PDIP30
LC74799M ON-SCREEN DISPLAY IC, PDSO30
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