LG MG810c, Service Manual

Page: 33 / 134

3. H/W Circuit Description
- 32 -
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.
Figure 19. Vibrator control ckts
Table 8. GPIO Map
VIBRATOR_CKTs
R335
2.7
R102
47K
EMZ2 Q101
23
64
1
5
1.5K
R105
4.7u
C111
2.7
R101
220
R104
100K R106
VIBRATOR
MOTOR
I/O # Application I/O Resour ce State Inactive State Active State
I/O (0) KEYBACKLIGHT O GPIO Low High
I/O (1) USB_EN O GPIO Low(Serial) High(USB)
I/O (2) CHG_EN O GPIO High Low
I/O (3) _CHG_STAT I GPIO High Low
I/O (4) _MIDI_RST O GPIO High Low
I/O (5) TOUCH_ACK I GPIO High Low
I/O (6) DBB_BT_INT O GPIO High Low
I/O (7) BT_LDO_EN O GPIO Low High
I/O (8) FOLDER I GPIO Low(close) High(open)
I/O (9) I2C_CLK_TCH O GPIO - -
I/O (10) I2C_DATA_TCH I/O GPIO - -
I/O (11) JACK_DETECT I GPIO High Low
I/O (12) REMOTE_INT I GPIO High Low
I/O (13) LCD_RST O GPIO High Low
I/O (14) BT_DBB_INT I GPIO High Low
I/O (15) MAP_HOLD O GPIO Low High