LG KE590 Service Manual page 29

3. Circuit Description
3.3.6 GPIO Map
In total 22 allowable resources, KE590 is using 9 resources except 3 resources dedicated to SIM and
Memory. KE590 GPIO(General Purpose Input/Output) Map, describing application, I/O state, and
enable level, is shown in below table 3.
I/O # Net Name
I/O (2)
I/O (4) USB_BOOT_SEL
I/O (6)
I/O (7) DIF_VSCNC
I/O (8) BT_NRST
I/O (9)
I/O (10) VCAM28_EN
I/O (11) HOOK_DETECT
I/O (12) CAM_RST
I/O (13) FM_INT
I/O (16) MAIN_KEY_BL_EN
I/O (17) BOOT_SEL
I/O (18) DP_PWON
I/O(27)
I/O(32) SPK_EN
I/O (33) Not used
I/O (42) Not used
I/O(43) CHG_STAT
I/O (46) CIF_PD
I/O (47) JACK_DETECT
I/O (55) HOOK_DETECT
I/O (63) VCAM18_EN
LGE Internal Use Only
I/O
I
I
I
I
O
I
O
I
O
I
I
I
O
SLIDE I
O
O
O
I
I
I
I
O
<Table.3> GPIO Map
Resource Inactive
State
Sysboot
Sysboot LOW (Giant Plus)
Sysboot
GPIO
GPIO LOW (LCD B/L Of f ) HIGH (LCD B/L On)
Sysboot
GPIO
GPIO
GPIO
GPIO
Sysboot
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
Copyright © 2007 LG Electronics. Inc. All right reserved.
- 30 -
Active
State State
HIGH LOW
HIGH (Nanya)
HIGH LOW
LOW HIGH
LOW HIGH
LOW HIGH
HIGH LOW
HIGH LOW
HIGH LOW
LOW HIGH
HIGH HIGH
LOW HIGH
LOW HIGH
HIGH LOW
LOW HIGH
LOW HIGH
HIGH LOW
LOW HIGH
HIGH LOW
HIGH LOW
LOW HIGH
Only for training and service purposes