SimCom SIM345 EVB User manual
Development Kit Manual
SIM345-EVB_UGD_V1.02
SIM345 EVB User Guide
SIM345-EVB_UGD_V1.02 15.02.2008
2
Document Title: SIM345 EVB User Guide
Version: 1.02
Date: 2008-2-15
Status: Release
Document Control ID: SIM345-EVB_UGD_V1.02
General Notes
SIMCom offers this information as a service to its customers, to support application and
engineering efforts that use the products designed by SIMCom. The information provided is
based upon requirements specifically provided to SIMCom by the customers. SIMCom has
not undertaken any independent search for additional relevant information, including any
information that may be in the customer’s possession. Furthermore, system validation of this
product designed by SIMCom within a larger electronic system remains the responsibility of
the customer or the customer’s system integrator. All specifications supplied herein are
subject to change.
Copyright
This document contains proprietary technical information which is the property of SIMCom
Limited., copying of this document and giving it to others and the using or communication of
the contents thereof, are forbidden without express authority. Offenders are liable to the
payment of damages. All rights reserved in the event of grant of a patent or the registration of
a utility model or design. All specification supplied herein are subject to change without
notice at any time.
FCC Caution:
To assure continued compliance, any changes or modifications not expressly approved by the
party responsible for compliance could void the user's authority to operate this equipment.
(Example - use only shielded interface cables when connecting to computer or peripheral
devices).
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions:
(1) This device may not cause harmful interference;
(2) This device must accept any interference received, including interference that may cause
undesired operation.
Copyright © SIMCom Limited. 2008
SIM345 EVB User Guide
SIM345-EVB_UGD_V1.02 15.02.2008
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Contents
Contents ............................................................................................................................................3
1 SIM345 EVB .................................................................................................................................5
2 EVB accessory ...............................................................................................................................7
3 Accessory Interface ........................................................................................................................8
3.1 Power Interface ....................................................................................................................8
3.2 Audio Interface.....................................................................................................................8
3.3 SIM card interface................................................................................................................9
3.4 Antenna Interface ...............................................................................................................10
3.5 RS232 Interface..................................................................................................................11
3.6 Operating Status LED ........................................................................................................12
4 Test Interface................................................................................................................................13
4.1 Serial Interface ...................................................................................................................13
4.2 J102---KEY & POWER .....................................................................................................14
4.3 J103---GPIO.......................................................................................................................15
5 EVB and accessory equipment.....................................................................................................16
6 Illustration ....................................................................................................................................17
6.1 Running..............................................................................................................................17
6.2 Connecting Net and calling ................................................................................................17
6.3 Downloading......................................................................................................................17
6.4 Turns off .............................................................................................................................17
Figure Index
FIGURE 1: EVB TOP VIEW ...................................................................................................................5
FIGURE 2: EVB BOTTOM VIEW..........................................................................................................6
FIGURE 3: EVB ACCESSORY...............................................................................................................7
FIGURE 4: POWER INTERFACE..........................................................................................................8
FIGURE 5: AUDIO INTERFACE ...........................................................................................................8
FIGURE 6: SIM CARD INTERFACE.....................................................................................................9
FIGURE 7: ANTENNA INTERFACE ...................................................................................................10
FIGURE 8: UART1 SERIAL PORT AND UART4 SERIAL PORT...................................................... 11
FIGURE 9: UART2 SERIAL PORT ...................................................................................................... 11
FIGURE 10: FLASH LED .....................................................................................................................12
FIGURE 11: TEST INTERFACE OVERVIEW.....................................................................................13
FIGURE 12: J1 INTERFACE ................................................................................................................13
FIGURE 13: J102 INTERFACE ............................................................................................................14
FIGURE 14: J3 INTERFACE ................................................................................................................15
FIGURE 15: EVB AND ACCESSORY EQUIPMENT .........................................................................16
SIM345 EVB User Guide
SIM345-EVB_UGD_V1.02 15.02.2008
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SCOPE
This document give the usage of SIM345 EVB, user can get useful info about the SIM345 EVB
quickly through this document.
The SIM345 only supports 850MHz/1900MHz functions.
This document is subject to change without notice at any time.
SIM345 EVB User Guide
SIM345-EVB_UGD_V1.02 15.02.2008
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1 SIM345 EVB
Figure 1: EVB TOP view
SIM345 EVB User Guide
SIM345-EVB_UGD_V1.02 15.02.2008
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Figure 2: EVB BOTTOM view
A: SIM345 module interface
B: SIM card interface
C: Headset interface
D: Charge switch, switch on or off charging function
E: Download switch, turn on or off download function
F: ON/OFF key, turn on or turn off SIM345
G: Buzzer
H: Expand port, such as keypad port, main serial port, SPI port
I: Main serial port UART1 for downloading, AT command transmitting, data exchanging
J: General Purpose output or input ports for customers’ application, but can be multiplexed
with another auxiliary serial port for internal ONLY
K: Hole for fixing the antenna
L: Source adapter interface
M: FLASH LED light
N: Hole for fixing the SIM345
O: Headphones interface
P: Reset key, reset module for exigency
Q: VBATT switch, switch the voltage source from the adaptor or external battery
S: Auxiliary serial port UART2
SIM345 EVB User Guide
SIM345-EVB_UGD_V1.02 15.02.2008
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2 EVB accessory
Figure 3: EVB accessory
A: Antenna
B: Antenna transmit line
C: Headset
D: 5V DC source adapter
E: USB to serial port line
SIM345 EVB User Guide
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3 Accessory Interface
3.1 Power Interface
Figure 4: Power Interface
Pin Signal I/O Description
1 Adapter input I 5V/2.5A DC source input
3.2 Audio Interface
Figure 5: Audio Interface
SIM345 EVB User Guide
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Headset interface:
Pin Signal I/O Description
1 MIC2P I Positive microphone input
2 SPK2P O Positive speak output
3 SPK2N O Negative speak output
4 MIC2N I Negative microphone input
Earphone interface:
Pin Signal Input/Output Description
5 MIC1P&SPK1P I/O Auxiliary positive input and output
3.3 SIM card interface
Figure 6: SIM card interface
SIM345 EVB User Guide
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3.4 Antenna Interface
Figure 7: Antenna Interface
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