BM62 datasheet(9/70 Pages) MICROCHIP

Part #	BM62

Description	Bluetooth짰 4.2 Stereo Audio Module

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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 2016 Microchip Technology Inc.

DS60001403A - Page 9

BM62/64

Table 1-2 provides the pin description of the BM62

module.

TABLE 1-2:

BM62 PIN DESCRIPTION

Pin No

Pin Type

Pin Name

Description

1

I/O

P0_0

Configurable control or indication pin

(internally pulled-up if configured as an input)

• Slide switch detector

•UART TX_IND

2

I

EAN

External address-bus negative

System configuration pin along with the P2_0 and

P2_4 pins, used to set the module in any one of the fol-

lowing three modes:

• Application mode (for normal operation)

• Test mode (to change EEPROM values)

• Write Flash mode (to enter a new firmware into the

module), refer to Table 5-1

ROM: Must be pulled high to VDD_IO

Flash: Must be pulled down with 4.7 kOhm to GND

3

I/O

P3_0

Configurable control or indication pin

(Internally pulled-up, if configured as an input)

AUX-In detector

4

I/O

P2_0

System configuration pin along with P2_4 and EAN

pins, used to set the module in any one of the following

three modes:

• Application mode (for normal operation)

• Test mode (to change EEPROM values),

• Write Flash mode (to enter a new firmware into the

module), refer toTable 5-1

5

I/O

P1_5

Configurable control or indication pin

(Internally pulled-up, if configured as an input)

• NFC detection pin

• Out_Ind_1

• Slide switch detector

6

I/O

P0_4

Configurable control or indication pin

(Internally pulled-up, if configured as an input)

• NFC detection pin

• Out_Ind_1

7

O

SPKR

Analog headphone output, right channel

8

O

AOHPM

Headphone common mode output/sense input

9

O

SPKL

Analog headphone output, left channel

10

P

VDDA

Analog reference voltage. Do not connect, for internal

use only

11

I

MIC1_P

MIC1 mono differential analog positive input

12

I

MIC1_N

MIC1 mono differential analog negative input

13

P

MIC1_BIAS

Electric microphone biasing voltage

14

I

AIR

Right-channel, single-ended analog input

15

I

AIL

Left-channel, single-ended analog input

16

I

RST_N

System Reset (active-low)

17

-

NC

No connection

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