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56 mhz type b rf reader, Pin list – Rainbow Electronics AT88RF1354 User Manual

Page 9

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13.56 MHz Type B RF Reader



9

8547A

−RFID−10/08

6.

Pin List

Pin

Name

Description

Type

1 V

CC

_ANT

Power for Transmitter and Antenna Drive Circuits

Power

2 V

SS

_ANT

Ground for Transmitter and Antenna Drive Circuits

Ground

3 ANT

Antenna

Driver

Output

4

Xtal1

Crystal Pin 1

5

Xtal2

Crystal Pin 2

Xtal Buffer

6 C5

Bypass

Capacitance

Output

7 Test1

V

SS

by Customer

TEST input

8

CLKO

Programmable Clock Output from PLL

Output

9

ResetB

Reset Bar from Microcontroller

Input

10

ISEL

Select Serial Interface Mode (SPI or TWI)

Input

11

TestD

No Connect by customer

I/O

12

Istat

Serial Interface Status (Handshaking Signal)

Output

13

SSB

SPI Interface "Slave Select"

Input

14

SCK

Serial Data Clock (SPI and TWI)

Input

15

SDI

SPI Serial Data Input or TWI Serial Data Input/Output

I/O

16 Test2

V

SS

by Customer

TEST input

17 Test3

V

SS

by Customer

TEST input

18 N.C.

Not

Used

19

SDO

SPI Serial Data Output

Output

20

ADDR

TWI Device Address Select

Input

21 C1

Bypass

Capacitance

Output

22 V

SS

Ground

Power

23 V

SS

A Ground

Power

24 V

CC

Power for I/O Buffers, digital and analog circuits

Power

25 C4

Bypass

Capacitance

Output

26 C2

Bypass

Capacitance

Output

27 C3

Bypass

Capacitance

Output

28 N.C.

Not

used

29 C7

Bypass

Capacitance

Output

30 N.C.

Not

used

31

TestR

No Connect by customer

Analog Out

32

RFin

Input to RF receiver

Input

33 N.C.

Not

used

34 Rmod

V

SS

_ANT by customer

Analog TEST

35 C6

Bypass

Capacitance

Output

36 N.C.

Not

used