MTV038 ETC-unknow, MTV038 Datasheet - Page 4
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MTV038
Manufacturer Part Number
MTV038
Description
On-screen Display Controller For Crt/lcd Monitor
Manufacturer
ETC-unknow
Datasheet
1.MTV038.pdf
(25 pages)
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There are three transmission formats shown as below:
Format (a) R - C - D -> R - C - D -> R - C - D .....
Format (b) R - C - D -> C - D -> C - D -> C - D .....
Format (c) R - C - D -> D -> D -> D -> D -> D .....
Where R=Row address, C=Column address, D=Display data
3.1.2 I
I
from writing the slave address 7AH(write mode), or 7BH(read mode) to MTV038. The protocol is shown in
Figure 2. And the auto sizing video measurement data (total 12 bytes) are read only registers and the others
are write only registers.
There are three transmission formats for I
Format (a) S - R - C - D -> R - C - D -> R - C - D .....
Format (b) S - R - C - D -> C - D -> C - D -> C - D .....
Format (c) S - R - C - D -> D -> D -> D -> D -> D .....
Where S=Slave address, R=Row address, C=Column address, D=Display data
And there is one transmission formats for I
Format (a) S -> D -> D -> D -> D -> D -> D -> D -> D -> D -> D -> D -> D -> D -> D -> dummy D .....
Where S=Slave address, D=Measurement data
In the I
byte 9 and continues with dummy data until stop condition occurred when R/W bit is set to 1.
Each arbitrary length of data packet consists of 3 portions viz, Row address (R), Column address (C), and
Display data (D). Format (a) is suitable for updating small amount of data which will be allocated with a differ-
ent row address and column address. Format (b) is recommended for updating data that has the same row
address but a different column address. Massive data updating or full screen data change should use format
(c) to increase transmission efficiency. The row and column address will be incremented automatically when
Revision 1.1
2
C bus operation is only selected when SSB pin is left floating. And a valid transmission should be starting
2
2
C read mode, 14 bytes of auto sizing video measurement data will be outputed directly from byte 0 to
C bus
SCK
SDA
SSB
SCK
SDA
MYSON
TECHNOLOGY
START
B7
FIGURE 2. Data Transmission Protocol (I
B6
First byte
FIGURE 1. Data Transmission Protocol (SPI)
MSB
2
C write mode shown as below:
2
C read mode shown as below:
First byte
B0
ACK
-4-
Secondbyte
B7
Last byte
Last byte
2
B0
C)
LSB
(Revision 1.1)
ACK
STOP
MTV038
2001/8/21