Motorola SE4750 - Command; Response Formats

Control Interface 5 - 9
Command / Response Formats
Table 5-3 depicts the command and response formats for all SE4750 commands.
In the columns SE4750 Command Data and SE4750 Response Data, the following letters identify the size of the
data: (B) = Byte, (W) = Word, or (A) = Array. Words are in Little-Endian format (low byte first).
* indicates the default.
Table 5-3 SE4750 Command and Response Formats
Function
SE4750 Command SE4750 Response
Op SE4750 Command Data
Note1
Op
SE4750 Response
Data
Note2
WR_SENSOR 0x50 (W) Register (W) Value 0x50 -
RD_SENSOR 0x51 (W) Register 0x51 (W) Value
AIM 0x55 (B)
0x00=Off*
0x01=On
0x55 -
AIM_DURING_EXPOSURE 0x56 (B)
0x00=Off*
0x01=On
0x56 -
RESET 0x57 (B)
0x00=Sensor
0x01=SE4750
0x57 -
ACQUISITION 0x58 (B)
0x00=Stop
0x01=Start
0x58 -
ILLUMINATION_DURING_EXPOSURE 0x59 (B)
0x00=Off*
0x01=On
0x59 -
EXTERNAL_ILLUMINATION 0x5A (B)
0x00=Floating Input*
0x01=On
0x02=Off
0x03=Follow Internal Illumination
0x04=Follow Trigger
0x05=Alternate with Internal Illumination
0x5A -
ACQUISITION_MODE 0x5B (B)
0x00=Barcode Decode*
0x01=Document Capture
0x02=Motion Detect
0x03=Aim Capture
0x5B -
Notes:
1. Every command has a 1 byte checksum (last byte of command). See
Command Checksum on page 5-4 .
2. Every response has a 1 byte status code immediately following the Opcode. See
Response Status Code
on page 5-4
.
3. These commands/responses have a variable length data field indicated by (A):Array. See
Table 5-4 on
page 5-11
for the length of the field based on the param number.