LG MG810c Service Manual page 33

3. H/W Circuit Description
L. Vibrator ckts
- Vibrator is controlled by MIDI Chip (U506)
- When VIBRATOR signal is high, the vibrator on Folder is enabled
G. GPIO Map
In total 16 allowable resources, KG810 is using 16 full resources. MG810c GPIO(General Purpose
Input/Output) Map, describing application, I/O state, and enable level, is shown in below table 8.
I/O # Application
I/O (0) KEYBACKLIGHT
I/O (1) USB_EN
I/O (2) CHG_EN
I/O (3) _CHG_STAT
I/O (4) _MIDI_RST
I/O (5) TOUCH_ACK
I/O (6) DBB_BT_INT
I/O (7) BT_LDO_EN
I/O (8) FOLDER
I/O (9) I2C_CLK_TCH
I/O (10) I2C_DATA_TCH
I/O (11) JACK_DETECT
I/O (12) REMOTE_INT
I/O (13) LCD_RST
I/O (14) BT_DBB_INT
I/O (15) MAP_HOLD
R105
VIBRATOR
1.5K
VIBRATOR_CKTs
Figure 19. Vibrator control ckts
I/O
O
O
O
I
O
I
O
O
I
O
I/O
I
I
O
I
O
Table 8. GPIO Map
- 32 -
MOTOR
C111
4.7u
Resour ce State Inactive State
GPIO Low
GPIO Low(Serial)
GPIO High
GPIO High
GPIO High
GPIO High
GPIO High
GPIO Low
GPIO Low(close)
GPIO -
GPIO -
GPIO High
GPIO High
GPIO High
GPIO High
GPIO Low
Active State
High
High(USB)
Low
Low
Low
Low
Low
High
High(open)
-
-
Low
Low
Low
Low
High