APR33A1 查看數據表（PDF） - Unspecified

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APR33A1

(aPR33A1 / aPR33A3) CPU Serial Mode Recording voice IC

Unspecified 

Integrated Circuits Inc.

aPR33A1/aPR33A2/aPR33A3

PIN DESCRIPTION

Pin Names

VDDP

VDD

VDDA

VDDL

VSSP

VSSL

VSSA

VLDO

VCORE

VREF

VCM

Rosc

RSTB

SRSTB

MIC+

MIC-

MICG

VOUT2

VOUT1

/REC

M0

M1

M2

M3

M4

M5

M6 / MSEL0

M7 / MSEL1

Pin No

8

10

18

24

5

11

17

25

16

19

20

26

27

28

21

22

23

6

7

12

13

14

15

9

3

4

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 Microphone ground.

OUTPUT PWM output to drive speaker directly.

INPUT

INPUT

INPUT

INPUT

INPUT

INPUT

INPUT

INPUT

INPUT

Record Mode. (Low active)

Message-0.

Message-1.

Message-2.

Message-3.

Message-4.

Message-5.

Message-6, Message select 0.

Message-7, Message select 1.

Ver. B

5/24

1/17/2013

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