AS3909 datasheet(47/77 Pages) AMSCO

номер детали	AS3909

подробное описание детали	13.56 MHz RFID Reader IC, ISO-14443 A/B

PDF	77 Pages

Scroll/Zoom	100%

производитель	AMSCO [ams AG]

домашняя страница	http://www.ams.com

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47 / 77 page

ams Datasheet, Confidential: 2013-Oct [3-02]

AS3909/AS3910 – 47

Appl icatio n I n f o rm a t i o n

Figure 40:

Antenna Driver AM Modulated Level Definition

Note: Default setting is set at power up and after Set Default command.

Figure 41:

Antenna Driver Non-Modulated Level Definition

Note: Default setting is set at power up and after Set Default command.

Address # 12: Antenna Driver AM Modulated

Level Definition

Type: RW

Bit

Name

Def.

Function

Comments

7dram7

MSB

Antenna drivers are composed of 8 binary

weighted segments. Setting a bit dram to 1

will disable corresponding segment during

AM modulated state in case am_s bit is set to

6dram6

5dram5

4dram4

3dram3

2dram2

1dram1

0dram0

LSB

Address # 13: Antenna Driver Non-Modulated

Level Definition

Type: RW

Bit

Name

Def.

Function

Comments

7droff70

MSB

Antenna drivers are composed of 8 binary

weighted segments. Setting a bit droff to 1

will disable corresponding segment during

normal non-modulated operation.

6droff60

5droff50

4droff40

3droff30

2droff20

1droff10

0droff00

LSB

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