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參數資料
| 型號： | MFRC52301HN1 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通信及網絡 |
| 英文描述： | Contactless reader IC |
| 封裝： | MFRC52301HN1<SOT617-1 (HVQFN32)|<<http://www.nxp.com/packages/SOT617-1.html<1<Always Pb-free,;MFRC52301HN1<SOT617-1 (HVQFN32)|<<http://www.nxp.com/packages/SOT617-1.html& |
| 文件頁數： | 17/98頁 |
| 文件大小： | 1666K |
| 代理商： | MFRC52301HN1 |
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MFRC523
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.7 — 8 November 2011
115237
17 of 98
NXP Semiconductors
MFRC523
Contactless reader IC
8.3.4.1
Data validity
Data on the SDA line must be stable during the HIGH clock period. The HIGH or LOW
state of the data line must only change when the clock signal on SCL is LOW.
8.3.4.2
START and STOP conditions
To manage the data transfer on the I
2
C-bus, unique START (S) and STOP (P) conditions
are defined.
A START condition is defined with a HIGH-to-LOW transition on the SDA line while
SCL is HIGH.
A STOP condition is defined with a LOW-to-HIGH transition on the SDA line while
SCL is HIGH.
The I
2
C-bus master always generates the START and STOP conditions. The bus is busy
after the START condition. The bus is free again a certain time after the STOP condition.
The bus stays busy if a repeated START (Sr) is generated instead of a STOP condition.
The START (S) and repeated START (Sr) conditions are functionally identical. Therefore,
S is used as a generic term to represent both the START (S) and repeated START (Sr)
conditions.
8.3.4.3
Byte format
Each byte must be followed by an acknowledge bit. Data is transferred with the MSB first;
see
Figure 16
. The number of transmitted bytes during one data transfer is unrestricted
but must meet the read/write cycle format.
Fig 12. Bit transfer on the I
2
C-bus
mbc621
data line
stable;
data valid
change
of data
allowed
SDA
SCL
Fig 13. START and STOP conditions
mbc622
SDA
SCL
P
STOP condition
SDA
SCL
S
START condition
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MFRC52301HN1,151 | 功能描述:RFID應答器 IC TRANSMISSION MOD 32-HVQFN RoHS:否 制造商:Murata 存儲容量:512 bit 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| MFRC52301HN1,157 | 功能描述:RFID應答器 IC TRANSMISSION MOD 32-HVQFN RoHS:否 制造商:Murata 存儲容量:512 bit 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| MFRC52301HN1/TRAYB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Contactless reader IC |
| MFRC52301HN1/TRAYBM | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Contactless reader IC |
| MFRC52302HN1,151 | 功能描述:RFID應答器 CONTACTLESS READER IC RoHS:否 制造商:Murata 存儲容量:512 bit 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
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