User Guide

PAMS
Technical Documentation
RAE-3
8. Troubleshooting
Page 8 – 82
Issue 1 06/01
Figure 70. BackPWM signal at pin 31
This signal (Figure 70) is a PWM control for display backlight. The pulse width
varies and is constant high for maximum intensity
.
Figure 71. LCDPWM signal at pin 10.
This signal (Figure 71) is a PWM control for display contrast. The pulse width
may vary significantly.
Table 3: List of display signals
Table 3. List of display signals
Display Signal JC4 pin no. Display Signal JC4 pin no.
LCDDa0 5 LCDDa10 39
LCDDa1 26 LCDDa11 7
LCDDa2 24 DispClk 2
LCDDa3 38 LLClk 40
LCDDa4 20 FSP 4
LCDDa5 36 DISPON 3