參數(shù)資料
型號: MCP451WF
廠商: Microchip Technology Inc.
英文描述: 400000 SYSTEM GATE 1.8 VOLT FPGA - NOT RECOMMENDED for NEW DESIGN
中文描述: 13.56 MHz讀/寫無源RFID器件
文件頁數(shù): 12/50頁
文件大?。?/td> 1172K
代理商: MCP451WF
MCRF450/451/452/455
DS40232H-page 12
2003 Microchip Technology Inc.
3.0
BLOCK DIAGRAM
The device contains four major sections. They are:
Analog Front-End, Detection/Encoding, Read/Write
Anti-collision Logic and Memory sections. Figure 3-1
shows the block diagram of the device.
FIGURE 3-1:
BLOCK DIAGRAM
Time Slot Generator
Clock Generator
To Memory
Modulation
MEMORY SECTION
Memory Array
High/Low Voltage
Power-on Reset
V
DD
READ/WRITE Anti-collision SECTION
Anti-collision Command Controller
Regulator
Demodulator (Detector)
PPM
Command
CRC/Parity Generator and Checker
Data Encoder
Time Slot
Counter
Registers
(High Voltage)
Main Clock
From
High Voltage (HV)
High Voltage
E
To Anti-collision
Command Controller
(
V
DD
)
V
DD
from POR
(POR)
Regulator
ANALOG FRONT-END SECTION
DETECTION/ENCODING
SECTION
Fast Mode
Detuning Circuit
V
DD
Oscillator
(TC, TSMAX, Tag ID)
Decoder
Decoder
相關(guān)PDF資料
PDF描述
MCP451X 400000 SYSTEM GATE 1.8 VOLT FPGA - NOT RECOMMENDED for NEW DESIGN
MCP452 13.56 MHz Read/Write Passive RFID Device
MCP452P 13.56 MHz Read/Write Passive RFID Device
MCP452S 13.56 MHz Read/Write Passive RFID Device
MCP452SB 13.56 MHz Read/Write Passive RFID Device
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