12MP IMX477 Mini High Quality Camera Module for Raspberry Pi - Datasheet

IMX477-AACK-C

6-2 Control register setting by the serial communication

The IMX477-AACK-C can use the 2-wire serial communication method for sensor control. These specifications are

described for sensor control using the 2-wire serial communication as follows. See Software reference manual for

more details of each function beyond the following description.

Master IMX477

SCL

SDA

Figure 7 2-wire serial communication

6-2-1 2-wire Serial Communication Operation Specifications

The 2-wire serial communication method conforms to the Camera Control Instance (CCI). CCI is an I

C fast-mode

compatible interface, and the data transfer protocol is I

C standard.

This 2-wire serial communication circuit can be used to access the control-registers and status-registers of

IMX477-AACK-C.

Table 2 Description of 2-wire Serial Communication Pins

Pin name Description

SDA Serial data input/output pin

SCL Serial clock input pin

The control registers and status registers of IMX477-AACK-C are mapped on the 16-bit address space and the

Table 3 Specification of register address map for 2-wire serial communication

C register

Address range Description

0000h to 0FFFh

Configuration register

Read Only and Read/Write Dynamic register

1000h to 1FFFh Reserved

2000h to 2FFFh Reserved

3000h to FFFFh Manufacture specific register