LG U8120 Service Manual page 29

3. TECHNICAL BRIEF
IO # Application
GPIO32 KEY_LED_ONOFF
GPIO33 Not used
GPIO34 Not used
GPIO35 LCDVSYNCI (Not used)
GPIO36 SPKMUTE
GPIO37 Not used
GPIO40 USBSENSE
GPIO41 Not used
GPIO42 BL_EN
GPIO43 FOLDER_DET
GPIO44 EN_LED_R
GPIO45 EN_LED_G
GPIO46 EN_LED_B
GPIO47 IRDA_REG_CTRL
IO Resource
O GPIO
– –
– –
I GPIO
O GPIO
– –
I GPIO
– –
O GPIO
I GPIO
O GPIO
O GPIO
O GPIO
O GPIO
Table. MARITA GPIO Map Table
- 30 -
Inactive State Active State
Low
–
–
Low
LOW (Ear piece) HIGH (Speaker)
–
Low
–
Low
High
Low
Low
Low
Low
High
–
–
High
–
High
–
High
Low
High
High
High
High