aPR33DB-C2.1 User Guide
Contents
1. rus Integrated Circuits Inc aPR33DB C2 1 aPR33DB C2 1 Fixed 1 2 4 8 Message mode Demo Board User Guide aPR33DB C2 1 is suitable for aPR33A1 aPR33A2 aPR33A3 3 chips with supporting Fixed 1 2 4 8 message 4 modes E aPR33DB C2 1 Function PCB size 51 x 39 mm Select REC PLAY vraj Rags i H Hcg E w a 4 a hi E E i A JJH I AW 1d ae ad el K ri VOUT2 VOUT Connect speaker Fenne B r Ei zehe pe MIC Voice Input LED Esi qe A k hea a ig a fy Jj L Ld ma Jra i MO REC PLAY Connect Power VCC 3V 6 5V RECORDING VOICE MESSAGE SLIDE SW to REC Press and hold TACT SW MO hear BEEP sound with LED on to start REC through Microphone Release TACT SW hear BEEP BEEP sound with LED off to complete REC PLAY VOICE MESSAGE SLIDE SW to PLAY Press and leave TACT SW MO to play voice with LED on After play finished LED will off Ver 2 1 4 02 26 2013 rus Integrated Circuits Inc aPR33DB C2 1 Depends on different IC 1 2 4 8 message modes can have different recording duration per message as below table Mode 1 FIXED 2 FIXED 4 FIXED 8 FIXED Message Message Message Message The initial setting is 8 message mode User can define 1 2 4 8 message mode by setting MSELO and MSEL1 pin as below 8 Message Mode 4 Message Mode Mo Mt H M2 M3 M4 M5 M6 MSELO M62. MSELO Hop fo of ot nh M7 MSEL1 M6 MSELO M7 MSEL1 i M MSEL1 gt If needs Line In circuit application please visit http www aplusinc com tw for datasheet Ver 2 2 4 02 26 2013 rus Integrated Circuits Inc aPR33DB C2 1 E VOICE OUTPUT The aPR383DB support 2 voice output mode PWM and DAC Default PWM The PWM mode use VOUT1 and VOUT2 pin to drive speaker The DAC mode use VOUT2 pin to connect your transistor or amplifier DAC output A PWM B DAC For more DAC application Please visit http www aplusinc com tw for data sheet Ver 2 3 4 02 26 2013 rus Integrated Circuits Inc aPR33DB C2 1 Ver 2 Add DAC application Ver 1 Original version aPR383DB C1 0 User Guide Ver 2 4 4 02 26 2013
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