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ST25R200 数据表(PDF) 6 Page - STMicroelectronics

部件名 ST25R200
功能描述  NFC/HF RFID reader IC
PDF  88 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST25R200 数据表(HTML) 6 Page - STMicroelectronics

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Pin and signal description
Figure 2. UFQFPN24 pinout (top view)
UFQFPN24
4x4 mm
1
2
3
IRQ
MISO
VDD_IO
4
5
6
GND_D
VDD_D
VDD_AM
24
23
22
21
20
19
13
14
15
TAD1
VDD_A
AGD
16
17
18
RFI1
RFI2
GND_A
12
11
10
9
8
7
25
Table 1. UFQFPN24 pin assignment
UFQFPN24
Name
Type(1)
Description
1
IRQ
DO
Interrupt request output
2
MISO
DO_T Serial peripheral interface data output
3
VDD_IO
P
External peripheral communication supply (5 V domain)
4
GND_D
P
Digital ground
5
VDD_D
AOS
Regulated supply for digital (1 V domain)
6
VDD_AM
AOS
Regulated driver supply for AM modulation (5 V domain)
7
VDD
P
External main positive supply (5 V domain)
8
VDD_DR
AOS
Regulated driver supply for antenna driver (5 V domain)
9
RFO1
AO
Antenna driver output
10
RFO2
AO
Antenna driver output
11
GND_DR
P
Antenna driver ground (it must be connected as short as possible to pin 25 (VSS) that is the
exposed pad)
12
TAD2
AIO
Analog/Digital test pin (connect to test point or unconnected if not used)
13
TAD1
AO
Analog/Digital test pin (connect to test point or unconnected if not used)
14
VDD_A
AOS
Regulated supply for analog (3 V domain)
15
AGD
AIO
Analog reference voltage
16
RFI1
AI
Receiver input
17
RFI2
AI
Receiver input
18
GND_A
P
Analog ground
19
XTI
AI/DI
Crystal oscillator input
ST25R200
Pin and signal description
DS13658 - Rev 2
page 6/88



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