BM20 datasheet(8/46 Pages) MICROCHIP

tên linh kiện	BM20

Giải thích chi tiết về linh kiện	Bluetooth짰 4.1 Stereo Audio Module

PDF	46 Pages

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nhà sản xuất	MICROCHIP [Microchip Technology]

Trang chủ	http://www.microchip.com

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Stereo Module

 2015 Microchip Technology Inc.

Page 8

Preliminary Edition

BM23 pin diagram is shown in Figure 1-4. The pin descriptions are shown in Table 1-2

FIGURE 1-4: BM23 PIN DIAGRAM

TABLE 1‐2: BM23 PIN DESCRIPTION

Pin No.

Pin Type

Name

Description

I/O

P0_0

IO pin, default pull-high input (Note 1)

UART TX_IND

I/O

RFS0

2S interface: DAC Left/Right Clock

I/O

TFS0

2S interface: ADC Left/Right Clock

I/O

SLK0

2S interface: Bit Clock

DR0

2S interface: DAC Digital Left/Right Data

DT0

2S interface: ADC Digital Left/Right Data

I/O

P0_4

IO pin, default pull-high input

EAN

Embedded ROM/External Flash enable

High: ROM mode;

Low: External Flash mode

MIC1_P

Mic 1 mono differential analog positive input

MIC1_N

Mic 1 mono differential analog negative input

MIC_BIAS

Power output, microphone biasing voltage

VDDA

Power output, reserve for external cap to fine tune audio frequency

response, no need to add power to this pin

AIR

Stereo analog line in, R-channel

AIL

Stereo analog line in, L-channel

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