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