User's Manual

A8000 User Guide
Confidential
A8000_User_Guide_V1.0 Page 10 of 22 2009/05/13
Logic low output GND 0.2 V
Logic high output VDD_LIO -0.2 VDD_LIO V
2.3 SIM Interface
2.3.1 SIM Interface description
The SIM interface supports the functionality of the GSM Phase 1 specification and also Support of
speed enhancement as specified in GSM 11.11 Phase 2+ with baud rates up to 100K baud SIM
(intended for use with a SIM application Tool-kit). A8000 support 1.8V or 3.0V SIM card，Table2-4
gives the SIM interface pins description.
Table2-4 SIM interface pins description of A8000
Signal Name PIN No. I/O Description
SIM_CLOCK 45 I/O SIM card CLK
VDD_SIM 46 I/O
SIM card power: 1.8V/3.0V
SIM_DATA 47 I/O
SIM card data
SIM_RESET 48 I/O
SIM card reset
GND
1,2,4,5,20,2
1,49,59,60
- Ground
2.5 LCD Interface
2.5.1 LCD Interface Description
A8000 provides SPI(Serial Peripheral Interface) interface that supports serial communication with
LCD device. These are alternative pins that can be used as GPIO ports or LCD display interface.
When use as LCD interface, table2-8 defines the pins function. LCD interface timing should be
united with the LCD device.
Table2-8: LCD interface pins descripition of A8000
Signal Name Pin No. I/O Description