PR33A3 Datasheet, PDF (5/27 Pages) Aplus Intergrated Circuits – Recording voice IC

Integrated Circuits Inc.
aPR33A3
PIN DESCRIPTION
Pin Names
VDDP
VDD
VDDA
VDDL
VSSP
VSSL
VSSA
VLDO
VCORE
VREF
VCM
Rosc
/RSTB
SRSTB
MIC+
MIC-
MICG
VOUT1
VOUT2
/REC
/M0_Tg
/M1_Next
/M2_/CE
/M6_BE
/M7_Option
Pin No
8
10
18
24
5
11
17
25
16
19
20
26
27
28
21
22
23
7
6
12
13
14
15
1
2
TYPE
Description
Positive power supply.
Power ground.
INPUT
INPUT
INPUT
Internal LDO output.
Positive power supply for core.
Reference voltage.
Common mode voltage.
Oscillator resistor input.
Reset. (Low active)
System reset, pull-down a resistor to the VSSL.
INPUT Microphone differential input.
OUTPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
Microphone ground.
PWM output to drive speaker directly.
DAC option.
PWM output to drive speaker directly.
DAC output.
Record Mode. (Low active)
Play/Record trigger. (Low active)
This pin forces a jump to next message for either recording or
playback. (Low active)
Reset message management features. (Low active)
Beep enable/disable. (Low active)
Auto Rewind / Non-Auto Rewind (Low active) mode select.
Ver. E
5/27
JAN 06 2014