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MTV038N View Datasheet(PDF) - Myson Century Inc

Part Name
Description
Manufacturer
MTV038N Datasheet PDF : 25 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
MYSON
TECHNOLOGY
MTV038
(Revision 1.1)
SSB
SCK
SDA
MSB
LSB
First byte
Last byte
FIGURE 1. Data Transmission Protocol (SPI)
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 I2C bus
I2C bus operation is only selected when SSB pin is left floating. And a valid transmission should be starting
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.
SCK
SDA
B7 B6
START
First byte
B0
B7
ACK Secondbyte
B0
Last byte ACK STOP
FIGURE 2. Data Transmission Protocol (I2C)
There are three transmission formats for I2C write mode shown as below:
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 I2C read mode shown as below:
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 I2C read mode, 14 bytes of auto sizing video measurement data will be outputed directly from byte 0 to
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
-4-
2001/8/21
 

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