SIM508 EVB User Guide
SIMCOM
4.3 LCD & ADC
Figure 16: LCD & ADC interface
Pin
Signal
I/O
Description
1 DISP_EN O
Display enable output
2
GPIO_5
I/O
GPIO5 reserved for user
3 DISP_CLK O
Display clock output
4 BUZZER O
Buzzer output.
5
DISP_D0
I/O
Display data line
6 AUXADC1 I
Adc input
7 DISP_A0 O
Display data or address select
8
SIM_PRESENCE
I
SIM Card Detection
9 NCLDRESET O
Display
reset
outplay
10 TEMP_BAT I
For measure the batter temperature
SIM508-EVB_UGD_V1.01 Page 19 of 25