Sony 70AP User Manual

3

DSR Series

ID

CMD1

CMD2

DC

CS

DATA

1byte

1byte

1byte

1byte

0 to 255byte

1byte

0x31

^^^^

CMD1

CMD2

0xFF

BYTE1

BYTE254

CS

DATA

BYTE0

......

0x30

^^^^

CMD1

CMD2

0xFF

CS

DATA

BYTE255

a. ID :

Code undefined as CMD1 of Sony VTR 9PIN PROTOCOL.
0x30 and 0x31 are designated as an ID of the extension command for DISK.

ID:0x30 : Indicates that it is a single block with less than 256-byte DATA length. Or it indicates

that it is the last block when transmitting a command by dividing into multiple blocks.

ID:0x31 : Indicates that there is a continuous block when transmitting a command by dividing it

into multiple blocks.

Example: When transmitting a command with data consisting of 256-byte DATA length

First block

Second block

b. DC

: Number of bytes of DATA (0 to 255)