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1. Test Count value and press Load Test Count and Start button to restart testing 5 3 Modify any parameter on control panel and redo above item 2 or 3 setup procedures Nov 2007 Version 0 1 PRELIMINARY 12 AMIC Communication Corporation AMOCM KT 1214 User Manual 7 F W Flowchart Start Init Check event Config ok InitRF Oneway master Oneway master gt gt Oneway slave Oneway slave Twoway master Twoway master gt Twoway slave Twoway slave aac hem Nov 2007 Version 0 1 PRELIMINARY 13 AMIC Communication Corporation2. A P31 c3 Olu 33 GE E TASSE Di m a OE ARE 2 MCU_TXD l 1 loa K RS232_RXD ane 35528 PIS A y P28 MCU_RXD 12 a BED os mb 2 a tice 1 tt 32 0 5 RA LA RIOUT RIN SPLTXD 7 ge 39 P39 4 SEL_MS 2 DAA 34 PP gt R20UT RIN L 7 _RXSYN 8 38 P345 3 SS 36 PS GND 3 n4 _ CD_TXEN Y 57 Poi 7 P21 E m mae 8 TXD MCU_RST 10 36 P36 CON3 P24 4 A MCURST QUA 40 gt gt PILI 35 Mov a 9 i TRXD GO BUTTON 12 34 LED2 SEL_MS m RK LEDI 5 FCLK__13 33 P33 GO_BUTTON ak LED gt gt CON3 Mso 14 48 b DES _MSI__15_ so p FPRPY 16 RE_RSTn 17 a IDC50P RERSTn 17 E gt J4 J5 c W77E58 PLCC44 i SPI_TXD A P29 c lalo RX_SYN a ls ale R3 gt CD_TXEN A P31 J8 A 3 3V 150 DI AA A MCU_RST i P32 CON 18P 1 27 alas pl LEDI 7 PII a P33 E GO BUTTON 7 LED2 R4 VGA FCLK 3 3V 150 D2 ZA gt MSO a Ege SPI_CS i SPI_CS LED2 5 MSI 5 P37 SPI_CLK 5 SPI_CLK p eppy o 38 SPI_RXD s SPI_RXD Config_OK 11 1 RE RSTn ii 11 P39 SPI_TXD Fi FET RX_CLK RX_CLK 22P 22P CONII CONII RX_SYN 2 RX_SYN CD_TXEN e CD_TXEN J6 17 TRXD a TRXD 7 P18 A P40 TXD TXD A P19 e P4l FCLK a FCLK 3 P20 3 P42 RE RSTn iT RESETn a P21 pa MSO B MSO 5 ft 5 pf 33V MSI a MSI 6 LEDI a SEL MSH BB_CLK ia BB_CLK P24 SPLCS VIN 4 P25 i SPLCLK 3 AM i GND 5 4 P26 5 MCU_RXD FP_RPY le if P27 D MCU TXD ta Tl P28 TI SPI RXD 11 11 EA CONII CONII J10 J11 1 1 43 3V 2 CONAP CON 2P 1 27 R6 NC GO_BUTTON RE_RSTn D3 a POWER s
3. AMOCM KIRA User Manual Table of contents Introduction Kit Components Definitions Getting started H W Description S W Description F W Flowchart PM WP DZ 87 Nov 2007 Version 0 1 PRELIMINARY 1 AMIC Communication Corporation AMICCOM DK7121A User Manual 1 Introduction A7121 is a 2 4G FSK RF transceiver The DK7121A is a development kit that helps engineers to design and develop the kernel transmission control of 2 4G wireless applications such as keyboards mice remote controls gamepads headsets and so on The equipments you should prepare yourself are one PC and two power supplies After the system setup and run the result of wireless transmission will display on the screen as a format of PER The detailed information of this development kit is available in the document later About the detailed control of A7121 please reference the source code and A7121 application note and datasheet in the CD ROM 2 Kit Components The DK7121A contains the following items Two A7121 RF modules Two DK boards One RS232 cables CD ROM containing DK7121A User Manual DK7121A quick start guide A7121 PER test program A7121 Datasheet Application note A7121 Development Kit Source code 3 Definitions PER Packet Error Rate or Packet Error Ratio A PER is a procedure or device that measures the BER for a given transmission This Development Kit is a PERT that helps engineers learning how to control the RF chips t
4. Rate Confis slave A o e 1Mbps Y Ur 3Mbps Load Test Count 2 EW a 2402 gt Miz Tx freg 2402 Ex freq 2400 Test Data Pattern Fixed Faluefl Ertel t FHA el pe eae Test Count i OneWay Co Master i TA Count Slave RX 0O TwoWay C Master Tr e Slave TEZ TE 00 34 Nov 2007 Version 0 1 PRELIMINARY 7 AMIC Communication Corporation AMOCM KT 214 User Manual Control panel ComPort select You can choose comport or 2 to config the DK board The default setting is COM 1 ComPort select te COM 1 C CoM Data rate The data rate can be set 1Mbps or 3Mbps The default setting is 1 Mbps Data Rate i f 1Mbps C Mbps Channel The channel can be set frequency from 2402 to 2480 MHz at data rate 1Mbps mode or frequency from 2403 to 2479 5 MHz at data rate 3Mbps mode The label Tx freq and Rx freq is shown frequency setting currently Channel 2402 MHZ Tx freg 2402 Ex feg 2400 Test Data Pattern The test data pattern can be set in one of two modes Choosing Fixed value 1 byte you need enter 1 byte value hex value in text field The fixed value used on the channel being testing Choosing PN9 the data PN sequence used on the channel being testing Test Data Patter ie Fixed Valuetl Byte aa C PNA Nov 2007 Version 0 1 PRELIMINARY 8 AMIC Communication Corporation A
5. MOCM KT 121A User Manual Test Count You can enter a value between 1 and 65535 for testing frame count Test Count Comnt 5000 Please note that the parameter on the control panel will become red color when it is modified B Status list Status This status frame is shown PER information currently etatus Frame Error Rate Byte Error Rate 1 Byte Error Rate 2 TX Frame This value indicates transmitted packet RX Frame This value indicates received packet Frame Error Rate Error Frame RX Frame Byte Error Rate 1 w o frame loss Error Byte RX Frame 64 Byte Error Rate 2 with frame loss Error Byte Total Test Frame RX Frame 64 Total Test Frame 64 Error list After user pressed this Read Error List button while testing error occurred the program will display first 10 error bytes on ErrList frame Press Clear push button the software will clear error list Nov 2007 Version 0 1 PRELIMINARY 9 AMIC Communication Corporation AMOCM K7IZ1A User Manual Tx transmit byte Receive error C One way or Two way control page Test flaw OneWay Master Config Master or Config Slave push button Press button Config Master or Config Slave the software will send all parameters one way or two way mode data rate channel data pattern to MCU If configuration data 1s valid the button back color becomes green The green LED LED2 on
6. Version 0 1 PRELIMINARY 4 AMIC Communication Corporation AMICCOM 5 7 ICE I O connections The following tables show the MCU pin assignments to I O connections JP1 Signal name MCU pin _ JP1 pin MCU pin MCURXD 4 B6 42 PA MCUTXD S78 PA SPLRXD 6910 12 RXSYN B B 4 CD_TXEN P 5 l6 7 18 9 20 1 22 3 24 5 26 Xo ___ 7_ 28 RFE RSTn 1729 BO 29 PRD Pigs BOB PAB N o ea MO SELMS _ I aad W 44 23 LED RI EP RE NC a Nov 2007 Version 0 1 PRELIMINARY 5 AMIC Communication Corporation DK7121A User Manual AMICCOM DK7121A User Manual 5 8 Development Board Placement ICE I O MCU device RS232 connection DATA Pia T D eE JL 3 S JE Ja Voltage supply Push button pz Conrig_Ok DI VGA LEDs RF module expansion A 1210K_01 1 3 4 5 6 JP1 3 3V Sas A 2 P43 T es 3 3 MCU_RXD o 5 E P42 C6 H MCU TXD_ d gt A 2 P41 33V 0 lu SPLRXD__ 5 M 2 P40 O 1u SPLID a P39 D ETE RICSYN E 4 P38 u2 D AJ EE CD_IXEN iy ae P37 C2 Olu MAX232 gt PGE A ie a P36 GE zz C4 Olu alnlslolalltlelelzi2 ono 20 p s cl VS eS m vs L Ul MSO gt P32 5 5 CS Olu oe yO E PE RI MSI E
7. edures for slave board 1 Select comport select gt COM 1 2 Select data rate gt 1Mbps 3 Select Channel gt 2402MHz 4 Select test data pattern gt Fixed value and enter BE on text field hex value 5 Test count enter 5000 on the text field Decimal value 6 Select Control Item gt OneWay gt Slave RX 7 Press Config Slave push button 8 Press Load Test Count push button 9 Press Start push button and the A7121 on the slave board will be into RX mode 3 PCHI setup procedures for master board 1 Select comport select gt COM 1 2 Select data rate gt 1Mbps 3 Select Channel gt 2402MHz 4 Select test data pattern gt Fixed value and enter B on text field hex value 5 Test count enter 5000 on the text field Decimal value 6 Select Control Item gt One Way gt Master TX 7 Press Config Master push button 8 Press Load Test Count push button 9 Press Start push button and then bring up a message Please check Slave Board 1s ready If the slave board is ready 1 e A7121 is in RX mode press Ok button to start PER testing 4 If the setup is correct user can observe transmitted received status on status list 5 User can press Stop button to stop testing on master or slave board at any time After stop program user can redo the PER testing program by following any step 5 1 Press Start button to restart testing 5 2 Modify
8. ent H W part includes PCB board description Pin definition and schematic F W part includes the flowchart The complete source code 1s allocated in the CD ROM 5 H W Description 5 1 Voltage supply User can apply power to Jack J9 of the Board from a 5 1OVDC supply The on board voltage regulator generates a regulated 3 3VDC for the Board circuitry The red Led shows whether the board has power applied 5 2 RS232 connection The DK Board provides a DB 9 connection for a simply RS232 port User uses the supplied RS232 cable to connect the DK Board to the PC s serial port COM1 or COM2 The DK board is connected to a PC to be programmed by the software 5 3 RF module expansion connection The Board provides RF module expansion connectors for A7121 module You should plug in RF module on connector J8 5 4 Jumper setting 5 4 1 J14 jumper setting The TX data is sent to Pn TRXD of A7121 when Pin 1 amp 2 is short The TX data is sent to Pin TXD of A7121 when Pin 2 amp 3 is short Nov 2007 Version 0 1 PRELIMINARY 3 AMIC Communication Corporation AMICCOM DK7121A User Manual CONS J14 circuit 5 5 Push Button The following table shows the push button function SW 1 MCU RESET Reset MCU 5 6 LEDs The Board provides three Leds Refer to the table below for different Leds Description D1 Green Config ok indirect D2 Yellow VGA gain indirect On 20dB Off OdB D3 Red Power on indirect Nov 2007
9. hrough the providing firmware BER Bit Error Rate or Bit Error Ratio BER is a measure of the accuracy of transmission for digital information in a telecommunication system It is the percentage of bits that are error relative to the total number of bits received in a transmission usually expressed as ten to a negative power For example a transmission might have a BER of 10 to the minus 9 meaning that one bit was in error out of 1 000 000 000 transmitted bits The BER indicates how often a packet or other data unit has to be retransmitted because of an error It means the packets had to be resent would increase in a transmission if the BER is too high Hence the QoS became worse Nov 2007 Version 0 1 PRELIMINARY 2 AMIC Communication Corporation QoS Quality of Service QoS implies the performance of a communication system It may relate to some factors such as BER Bit Error Ratio SNR Signal to Noise Ratio maximum and mean throughput rate priority and reliably depending upon the communication system BER 1s typically employed when expressing the QoS in a transmission 4 Getting started We prepare a Quick Start Guide as a paper in the box of the package beyond the pdf file in the CD ROM The user can follow the simple software installation guide and step by step procedure to run the one way or two way test very easily Detailed descriptions about softwareanstallation and each step will be given in the S W part of this docum
10. the DK board turn on indicates that the A7121 s configuration is ok If Config Master or Config Slave failed error message is shown Load Test Count push button Press button Load Test Count the software will send test count value to MCU Nov 2007 Version 0 1 PRELIMINARY 10 AMIC Communication Corporation AMICCOM DK7121A User Manual Start push button Press button Start on master the software will show a message to prompt whether the slave board is ready or not If yes press Ok button to start PER testing and the back color of Start button becomes to green Stop push button Press Stop push button the software will be stop testing D Control Item Control Ter gt OneWay C Master TX e Slave RA C TwoWay e Mee IES flame TES User can choose OneWay or TwoWay to do uni directional or bi directional PER testing In the One Way mode the master board is set as transmitted side and slave board is set as received side Nov 2007 Version 0 1 PRELIMINARY 11 AMIC Communication Corporation 1 Setup procedure The following steps show users how to run the development kit test program example of One Way mode 1 Connect PCH1 RS232 com port to master board with RS232 cable and connect another PC 2 RS232 coml port to slave board with RS232 cable or connect PCH1 RS232 com2 port to Slave board 2 PC 2 setup proc
11. w2 RS GO BUTTON Jo 470 AA NC i VCC i ER A MAE 2 z CON2 Cll C13 C12 c14 Tite 0 1U 100U 16V 0 1U 100U 16V A7121DK BOARD gt gt Size Number Revision B Date 4 May 2005 Sheet of File GADS RF PCB Layou ERA 7121_THSDrB ABP A7121_TEST BOARD ddb 1 3 4 5 6 Nov 2007 Version 0 1 PRELIMINARY AMIC Communication Corporation AMICCOM DK7121A User Manual 6 S W Description The A7121 PER Packet Error Rate test program software run on window 98 window 2000 or window XP operating system and is used for controlling the DK board The software communicates with the DK board through the PC s serial port To install A7121 PER test program 1 Insert the software into your CD ROM drive 2 Select A7121 PER test program setup item 3 Follow the instructions given by the setup wizard for correct installation of the program To uninstall A7121 PER test program Click the Start button under Windows Select Control Panel in Setup Double click Add Remove Programs Click Install Uninstall Then select A7121 PER test program from the list of programs that can be automatically removed Click the Remove button to uninstall A7121 PER test program To use A7121 PER test program The A7121 PER test program Main Screen appears whenever you execute the program The screen is shown below xl y Comfort Select COM 1 COM 2 OneWay Slave E m E Data
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