BK4819 datasheet(10/22 Pages) BEKEN

部品番号	BK4819

部品情報	Analog Two Way Radio IC

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メーカー	BEKEN [Beken Corporation]

ホームページ	http://www.bekencorp.com/en

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BK4819

Proprietary and Confidential

Page 10 of 22

3 Pin Assignment

Figure 8. BK4819 Pin Assignment (Top View)

Table 7. BK4819 4mmx4mm 20-Pin Definition

#

Name

Directio

n

Function

1

GPIO5

I/O

General purpose input/output - there is internal pull-down on this

port.

2

GPIO6

I/O

General purpose input/output - there is internal pull-down on this

port.

3

VCC

Input

Digital Power Supply, 2.6 V~ 3.6 V

4

XO

Output

Crystal oscillator port, output

5

XI

Input

Crystal oscillator port, input

6

NC

7

NC

8

EARO

Output

Earpiece output

9

NC

10

NC

11

VCC

Input

Analog Power supply, 2.6 V to 3.6 V

12

NC

13

MICN

Input

Microphone input, negative

14

MICP

Input

Microphone output, positive

15

LNAIN

Input

Input of low noise amplifier

16

NC

17

PAOUT

Output

Output of power amplifier

18

VRAM

P

Output

PA regulator output

19

NC

20

NC

21

NC

22

NC

23

NC

24

NC

25

SCK

Input

SPI clock

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