Manual

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