U2270B-MFPY 데이터 시트보기 (PDF) - Atmel Corporation
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U2270B-MFPY Datasheet PDF : 18 Pages
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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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