DB20A --- VOICE OTP DEMO BOARD USER MANUAL For aP8942A ( 42” ) / aP8921A ( 21” ) / aP8910A ( 10”) Durations PHRASE Key mode CPU mode TG - pin PDIP SOP DIE VCC aP8942A 42” 32 32 8 20 20 YES 2.6 ~ 5.0V aP8921A 21” 12 12 4 16 16 YES 2.6 ~ 5.0V aP8910A 10” 12 12 4 16 16 YES 2.6 ~ 5.0V 1. 2. 3. 4. Part no. : DB20A PCB SIZE : 36 x 22 mm PCB NO. : SZ6006 VCC = 2.6V ~ 5.0V Sampling rate 5.4 K Hz 5.9 K Hz 6.3 K Hz 6.5 K Hz 7.0 K Hz 7.6 K Hz 8.5 K Hz 9.5 K Hz 5. DAC / PWM 6. SBT key : one key sequential trigger 7. aP8921A & aP8910A must be in middle Rosc 400K 370K 350K 330K 300K 280K 250K 220K Sampling rate 10.3 K Hz 11.0 K Hz 11.9 K Hz 13.8 K Hz 16.5 K Hz 19.3 K Hz 20.5 K Hz 22.4 K Hz Rosc 200K 180K 170K 150K 120K 100K 91K 82K APLUS INTEGRATED CIRCUITS INC. TEL : 886-2-2782-9266 FAX : 886-2-2782-9255 http://www.aplusinc.com.tw E-mail: [email protected]