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LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
3.1.5 SIM Interface
SIM interface scheme is shown in Figure3-1-6.
SIMDAT0, SIMCLK0, SIMRST0 ports are used to communicate DB3200 with
AB3100 and filter.
Table 3-1-2. SIM Interface
Figure 3-1-7. SIM Interface
3.1.6 UART Interface
UART signals are connected to DB3200 GPIO through IO connector
Table 3-1-3. UART Interface
SIM card async/sync reset
SIMRST0
SIM card reference clock
SIMCLK0
SIM card bidirectional data line
SIMDAT0
SIM (Interface between DBB and ABB)
VDD
DAT
CLK
CARD
RST
SIMVCC
AB3100
SDAT SIMDAT
SCLK SIMCLK
SRST SIMRST
DB3200
SIMDAT0
SIMCLK0
SIMRST0
VDDE
10K
10K
UART1
ACC Transmit Data
ACC_UART0_TX
ACC_GPIO_3
ACC Receive Data
ACC_UART0_RX
ACC_GPIO_2
Note
Name
Resource
APP Transmit Data
APP_UART_TX
APP_GPIO_1
APP Receive Data
APP_UART_RX
APP_GPIO_0
UART0