LG GT350 - Page 20

- 21 -
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. TECHNICAL BRIEF
LG Electronics 17/115 LGE Property
3.2.3 External Devices connected to memory interface
Table 1. Memory interface
Device Name Maker Remark
FLASH K522H1HACB-B060 SAMSUNG Synchronous / A synchronous
DDR K522H1HACB-B060 SAMSUNG Synchronous 166MHz
LCD IM300IBN4A LGIT 8bit access 2 times transmission
Melody IC Not Used S/W Infineon Software CODEC
3.2.4 RF Interface (T_OUT)
S-Gold3 uses this interface to control RF IC and Peripherals. 13 signals are provided switch on/off RF ICs
Periodically each TDMA frame.
Table 2. RF Interface Spec.
T_OUT
Resource Interconnection Description
T_OUT0 TXON_PA PAM Power on
T_OUT1
T_OUT2 PA_BAND TX RF band select
T_OUT3
T_OUT4 BT_WAKEUP BT wake up
T_OUT5 VIB_PWM Motor control
T_OUT6 PA MODE PAM Mode select
3.2.5 USIF Interface
GT350 have three USIF Drivers as follow :
- USIF1 : Hardware Flow Control / SW upgrade / Calibration
- USIF2 : Not used Rx, CTS & RTS use BT Interface
- USIF3 : WLAN Data
Table 3. USIF Interface Spec.
Resource Name Remark
USIF1
USIF1_TXD TXD Transmit Data
USIF1_RXD RXD Receive Data
USIF1_CTS USB_DM USB
USIF1_RTS USB_DP USB
USIF2
USIF2_TXD VIB_EN Motor control
USIF2_RXD Other function -
USIF2_CTS BT_CTS BT
USIF2_RTS BT_RTS. BT
USIF3
USIF3_TXD WLAN_D[1] WLAN Data
USIF3_RXD WLAN_D[2] WLAN Data