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RM-497
System Module
The GPIO and GPEN signals use 1.8V CMOS signaling levels.
D2800 Baseband ASIC (BCM21351) Backlight Illumination Pins
Pin Name
GPIO17
V7
GPEN9
B7
Electrical Interface Between Baseband and Camera
Introduction
The D2800 JUNO (BCM21351) BB ASIC has an integrated Compact Camera Port 2 (CCP-2) serial camera interface.
The BB ASIC provides a CMOS reference clock and shut-down signal. The camera is controlled by the Broadcom
Serial Control (BSC) #2 interface.
Issue 1
Backlight and Illumination
Pin
Figure 48 Keypad backlight & LED Driver diagram
COMPANY CONFIDENTIAL
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I/O
Type
O
CMOS
Enable LED driver
O
CMOS
Enable Keypad Light
Description
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Troubleshooting
