aPR33AxDBS-C1.1 - Aplus Integrated Circuits Inc.

Integrated Circuits Inc.
aPR33AxDBS-C1.1
aPR33AxDBS-C1.1 (CPU Serial Mode)
Demo Board User Guide
aPR33AxDS-C1.1 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.
aPR33AxDBS-C1.1 Function:
:
PCB Size :
51 x 39 mm
◎ For Line-In circuits & instruction set, Please visit http://www.aplusinc.com.tw for spec.
Ver. 5
1/3
11/5/2013
Integrated Circuits Inc.
aPR33AxDBS-C1.1
VOICE OUTPUT
The aPR33AxDBS 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. 5
2/3
11/5/2013
Integrated Circuits Inc.
aPR33AxDBS-C1.1
Ver. 5
Rename aPR33AxDB-C1.1S to aPR33AxDBS-C1.1
Ver. 4
[Modify]
Add “DAC” application
Modify the file name to aPR33AxDB-C1.1S.
Add slide switch and tact switch
Modify the name of the pins : CE/CS , SISDI , CLKSCK , SOSDO
---------------------------------------------------------------------------------------------------------------------------------Ver. 3
[Modify] Delete slide switch and tact switch
Ver. 2
[Modify] I/O definition from N.C. to /RESERVE
---------------------------------------------------------------------------------------------------------------------------------Ver. 1
Original version aPR33DB-C1.0 User Guide
Ver. 5
3/3
11/5/2013