Motorola SE4750 - Chapter 5: Control Interface; Control Protocol Overview

CHAPTER 5 CONTROL INTERFACE
Introduction
The SE4750 bi-directional control interface uses the industry-standard I
2
C protocol. The SE4750 protocol is a
host-initiated command/response type protocol, and does not support unsolicited responses.
Command List
The SE4750 protocol supports the commands listed in Table 5-1. For detail on each command, see Command
Descriptions on page 5-5.
Table 5-1 SE4750 Command List
I
2
C Command Set Opcode Description
ACQUISITION 0x58 Starts and stops image data output.
ACQUISITION_MODE 0x5B Optimizes the SE4750 for a specific operation.
AIM 0x55 Turns the aim pattern on and off.
AIM_DURING_EXPOSURE 0x56 Captures the aim pattern in the image.
AUTO_POWER_REDUCTION 0x74 Places the SE4750 in a low power state when idle.
ENTER_BOOTLOADER 0x91 Enters bootloader mode.
EXECUTE_SCRIPT 0x77 Executes a programmed script.
EXTERNAL_ILLUMINATION 0x5A Controls the operation of the EXT_ILLUM_EN signal.
GET_EXTENDED_STATUS 0x79 Gets the SE4750 operating states.
GET_PARAM 0x70 Gets SE4750 parameters.
ILLUMINATION_DURING_EXPOSURE 0x59 Turns illumination on and off.
ILLUMINATION_POWER_LEVEL 0xF0 Sets the illumination brightness level.
IMAGE_CAPTURE_MODE 0x73 Sets the image capture mode.