Data Type Codes - Fujitsu C150-E049-02EN Oem Manual

M3099GX/GH OEM Manual

Data Type Codes:

The transfer data type distinguishes between the different types of
data which may be transferred between the initiator and the target.
The types of transfers are specified in Table 3.61. Data Type Code
and Data Type Qualifier are commonly used with SEND command.
Table 3.61 Data Type Codes
Code Description
00h Image
01h Vendor Specific
02h Halftone Mask
03h Gamma Function
04h - 7Fh Reserved
80h - FFh Vendor specific
80h Pixel Size
81h Detected Paper Information
others Reserved
Data Type Qualifier:
The data type qualifier field provides a means to differentiate data
transfers of the same data type code. The values used in this field are
vendor specific. This scanner uses this field for Image Data as
follows.
Byte 4: Reserved
Byte 5: Window Identifier
Strictly speaking, SCAN command is used to specify Window
Identifier but we used this field SCAN command can be omitted
from scanning sequence.
For the other data type code, data type qualifier field is reserved.
00h(Image), 80h(Pixel Size),
81h(Detected Paper Information)
INTERFACE
Command
READ
SEND
SEND
READ
READ
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