AM4FA Demo Board Ver.A User Manual
Contents
1. Pin Map 1 PRA0 S PRBO 9 PRCO 13 PRDO 17 PREO 21 PRFO 25 PRGO 29 PRHO 2 PRAI 6 PRB1 10 PRC1 14 PRD1 18 PRE1 22 PRF 26 PRGI 30 PRHT 4 PRA3 8 PRB3 12 PRC3 16 PRD3 20 PRE3 24 PRF3 28 PRG3 32 PRH3 pr Flash 2Mb 4Mb 8Mb 16Mb Back Side 9 Rev 1 1 2005 05 24 ca 4 AM4rA DB Download Board Setup J The AMXXFDL V3 supports all the flash type demo board such as AM9AA DB AM4DA DB AM4EA DB AMAFA DB and AM8AF DB Please plug the demo board into the corresponding socket in the correct direction as the figures below AMXXFDL V3 Download er Insert AMAFA DB 10 Rev 1 1 2005 05 24 i ie A 1 i mi DL s E 3 AM4FA DB Target Board Setup Use Jumper to select 4FA DA1 2 or PWM output BEG ALPE if AM Majo SETE JEE EE Se s Lm t JC rm dez ox i a Select Jumper for 4FA_DB A Rn raul EM MEM MEE MEM BEN N dii MUN ME Ww A _ AB SE PDP Power In 3V or 4 5V Use PRAO to select PWM or Cout 4FA can use 32 10 PRA PRH 2005 05 24 6 AM4EA_ T arga Board Setup 4EA DA PWM output s a a E x a SENE FE DENM ojal A Select Jumper for 4EA DB Power In 3V or 4 5V Use PRAO to select PWM or Cout ik NM i W 34 EY E WE M Sois 48 Bp PRG_CA ben E Whe 1 BE uo a EE IA an ira a 4 d 4EA can use 24 DAD e gi ap IO PRA PRF I ALS ue A UM A AW z2. de For HM you have to connect OSC1 and OSC2 with a Crystal and two 20P Capacitor connect to GND D Rev 1 1 2005 05 24 2 AM4FA DB PWM Cout Setup 2 1 PWM Output PWM output gt All jumpers open J2 711 3120 ST 2 ec Parts ass A Ver A n AX AMAF A DB To use PWM output please ensure to open J11 J12 J21 J22 J31 otherwise demo board will be permanently damaged 6 Rev 1 1 2005 05 24 2 2 Current Output Cout 1 DA1 ipo a gt Short J21 J22 2 DA2 d gt Short J11 J12 Backside DAC Bias R 3 Mix DA1 DA2 signal then output to DA2 gt Short J21 J31 and J11 J12 Ta FI p m aj SL due di TI der deli DIG EEA 7 Rev 1 1 2005 05 24 2 3 Cout Current amp Bias H Setup The current output circuit You must connect the transistor 8050 and the bias resistor The value of the bias resistor should be chosen to match with the Current Control option Otherwise voice quantity may be affected This is no use for PWM output VDD 8 Ohms SPK 8050C aia pan CER n p C Iron cmm ONU VYUO When using one 8050C B 185 TO 92 DA1 DA2 gt DAz2 the following are suggested Vdd 3V Each DAG output osama 142mA tama 294mA zena szena sena soon 850 ohms Bias Resistor 2 k ohms 630 ohms 470 ohms Default is 2 8mA Half Scale 1 4mA for each DAC by EzCode system 8 Rev 1 1 2005 05 24 3 AMAFA DB I O
3. e I i A E 2005 05 24
4. i oom Fa FERVORE Hj AM4FA Demo Board Ver A User Manual ete T EAR RS Alpha Microelectronics Corp XV TTHACTHER E2955 498E 7 158 9F 1 295 Sec 2 Kuang Fu Rd Hsinchu Taiwan 34 03 573 6660 Tel 886 3 573 6660 EE 03 573 6661 Fax 886 3 5 3 6661 www ealpha com tw www ealpha com tw Rev 1 1 2005 05 24 Contents AM4FA DB Oscillator Setup AM4FA DB PWM Cout Setup AMAFA DB I O Pin Map AMAFA DB Download Board AM4FA DB Target Board Setup AM4EA DB Target Board Setup Rev 1 1 2005 05 24 1 AMAFA DB Oscillator Setup Oscillator Operating Mode rm Resistor Mode Mode CHEN SE A wu MO v HM High Frequency Crystal Mode gt Oscillator Operating Mode Setup Oscillator Type R RM GND OSC S H HM OSC S1 VDD 3 Rev 1 1 2005 05 24 1 1 Resistor Mode RM You can choose the RM oscillator type through this option Default is RM Voice Output PWM DAC setup jumper DA1 DA2 Output Working Indicator LED This LED is light when IC don t enter sleep mode Real Chip is not supported For RM you have to connect OSC1 and VDD with a resistor Rosc 390K Ohm 4 Rev 1 1 2005 05 24 1 2 High Frequency Crystal Mode HM You can choose the HM oscillator type through this option Remember to cut the RM connection firstly Remove the indicator LED otherwise IC will work abnormally Only in HM mo
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