User Guide

CC Technical Documentation Troubleshooting - Baseband

RM-11

TxEnd-bit is set low ('0') by the camera. The camera can interrupt the baseband by

driving TxDa low for at least one ExtClk cycle when not transferring an image. The

interrupt is initiated by the falling edge of the signal.

ExtClk is the external system clock for the camera module. The clock may be AC or DC

coupled. Four fixed frequencies are available (8.4, 9.6, 9.72,13, and 16.8 MHz, each

within +/-100kHz).

VIO is a regulated 1.8 V nominal I/O logic supply for the camera module.

VCtrl is a control signal to place the camera and HWA in their lowest power consumption

modes. It must be permissible to pull this signal up if this functionality is not required.

VANA is a regulated 2.78 V nominal voltage from the engine to the camera module.

GND is system GND for the camera module.

Power-up Timing

The purpose of this test is to measure the power-up timing.

Figure 21: Power-up timing

Table 7 includes the test parameters for power-up timing

Table 7: Power-up timing

Parameter Measured value Limit Notes

t1 N/A >0

t2 68us >0

t3 134us@1.3v >120us Determined by external RC

t4 119.5us@1.3v >100us