aPR33AxDB-C1.1F User Guide_Ver2 - Aplus Integrated Circuits Inc.

Integrated Circuits Inc.
aPR33AxDB-C1.1F
aPR33AxDB-C1.1F (CPU Serial Mode)
Demo Board User Guide
aPR33AxDB-C1.1F is suitable for aPR33A1/ aPR33A3, 2 chips
supporting CPU serial interface by /BUSY, CE , SI , CLK , SO 5pin.
Part no.
aPR33A1(170 sec)
aPR33A3(680 sec)
Function
CPU series interface, max 1024 sections.
Application
Support Mic & Line in circuits.
aPR33AxDB-C1.1F Function:
:
S1: Record / Control A of seven-segment display
Record : Long press two seconds you can hear
“Beep” voice then start recording. Press
again to finish your recording. Please note
it can not be recorded if there are data in
the section unless you delete the data at
first.
Control A of seven-segment display:
Short press to select ○
A of seven-segment display
S2: Erase All / Control B of seven-segment display
Erase All : Long press two seconds the sevensegment display will be extinguished and
show 00.
Control B of seven-segment display :
Short press to select ○
B of seven-segment display
S3: Delete the recording content showed on the / play
Delete the recording content showed on the: Long press two seconds the seven-segment display
will flash one time and stay in original section.
Play: short press to start the playback Short press again then stop the playback.
◎ For Line-In circuits & instruction set, Please visit http://www.aplusinc.com.tw for spec.
Ver. 2
1/3
8/1/2013
Integrated Circuits Inc.
aPR33AxDB-C1.1F
VOICE OUTPUT
The aPR33AxDB 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.
(A) PWM
(B) DAC
◎ For more DAC application, Please visit http://www.aplusinc.com.tw for data sheet.
Ver. 2
2/3
8/1/2013
Integrated Circuits Inc.
aPR33AxDB-C1.1F
Ver. 2
Revised the description of operation.
Ver. 1
Original version aPR33AxDB-C1.1F User Guide
Ver. 2
3/3
8/1/2013