U2270B Просмотр технического описания (PDF) - Atmel Corporation

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U2270B

Read/Write Base Station

Atmel Corporation 

2. Pin Configuration

Figure 2-1. Pinning

GND

1

16 HIPASS

OUTPUT

2

15 RF

OE

3

14 VS

INPUT

4

13 STANDBY

MS

5

12 VBATT

CFE

6

11 DVS

DGND

7

10 VEXT

COIL2 8

9 COIL1

Table 2-1.

Pin

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Pin Description

Symbol

GND

OUTPUT

OE

INPUT

MS

CFE

DGND

COIL2

COIL1

VEXT

DVS

VBatt

STANDBY

VS

RF

HIPASS

Function

Ground

Data output

Data output enable

Data input

Mode select coil 1: common mode/differential mode

Carrier frequency enable

Driver ground

Coil driver 2

Coil driver 1

External power supply

Driver supply voltage

Battery voltage

Standby input

Internal power supply (5V)

Frequency adjustment

DC decoupling

U2270B

3

4684E–RFID–02/08

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