SIM18 EVB kit User Guide
LED indicators:
z
VCC_3V POWER: When SIM18-EVB is powered, the LED is on.
z
WAKEUP: When SIM18 in full-on mode, the LED is on, while in sleep or KA mode, the
LED is off.
z
TIMEMARK: The LED is on after SIM18-Z01 firstly going to full on mode,
Buttons:
z
RESET: When RESET button be pressed, SIM18 will go into sleep mode.
z
ON_OFF: When ON_OFF button be pressed for about 100ms, SIM18 will wake up from
sleep mode.
Working states of status LED are listed in following table:
Table 5: Working state of status LED
Name
Description
STATUS
Q1
POWER ON/OFF indicator
On: power ON
Off: power OFF
Q2
WAKEUP status indicator
On: Module runs normally
Off: System is powered down or module runs in sleep mode
Q3 TIMEMARK
indicator
On: Module runs normally, if ROM firmware patch is added, the
LED will blinking at a certain frequency when location is fixed.
3.2.3.2 Test interface
Figure 7: Test interface
SIM18_EVB kit_User Guide_V1.01
2010.11.16
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