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| 型號(hào)： | MFRC53001T |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | ISO-IEC 14443 A Reader IC |
| 封裝： | MFRC53001T/0FE<SOT287-1 (SO32)|<<http://www.nxp.com/packages/SOT287-1.html<1<week 5, 2005,;MFRC53001T/0FE<SOT287-1 (SO32)|<<http://www.nxp.com/packages/SOT287-1.html<1 |
| 文件頁數(shù)： | 82/115頁 |
| 文件大小： | 2590K |
| 代理商： | MFRC53001T |
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MFRC530_33
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
PUBLIC
Rev. 3.3 — 6 July 2010
057433
82 of 115
NXP Semiconductors
MFRC530
ISO/IEC 14443 A Reader IC
11.3 EEPROM commands
11.3.1
WriteE2 command 01h
Table 142. WriteE2 command 01h
Command
Value
The WriteE2 command interprets the first two bytes in the FIFO buffer as the EEPROM
start byte address. Any further bytes are interpreted as data bytes and are programmed
into the EEPROM, starting from the given EEPROM start byte address. This command
does not return any data.
The WriteE2 command can only be started by the microprocessor. It will not stop
automatically but has to be stopped explicitly by the microprocessor by issuing the Idle
command.
11.3.1.1
Programming process
One byte up to 16 bytes can be programmed into the EEPROM during a single
programming cycle. The time needed is approximately 5.8 ms.
The state machine copies all the prepared data bytes to the FIFO buffer and then to the
EEPROM input buffer. The internal EEPROM input buffer is 16 bytes long which is equal
to the block size of the EEPROM. A programming cycle is started if the last position of the
EEPROM input buffer is written or if the last byte of the FIFO buffer has been read.
The E2Ready flag remains logic 0 when there are unprocessed bytes in the FIFO buffer or
the EEPROM programming cycle is still in progress. When all the data from the FIFO
buffer are programmed into the EEPROM, the E2Ready flag is set to logic 1. Together
with the rising edge of E2Ready the TxIRq interrupt request flag shows logic 1. This can
be used to generate an interrupt when programming of all data is finished.
Once E2Ready = logic 1, the WriteE2 command can be stopped by the microprocessor by
sending the Idle command.
Remark:
During the EEPROM programming indicated by E2Ready = logic 0, the WriteE2
command cannot be stopped using any other command.
Action
FIFO
Arguments and
data
start address LSB
start address MSB
data byte stream
Returned
data
-
-
-
WriteE2
01h
get data from FIFO buffer and write it
to the EEPROM
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MFRC53001T/0FE | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:ISO/IEC 14443 A Reader IC |
| MFRC53001T/0FE,112 | 功能描述:RFID應(yīng)答器 MIFARE HS READER RoHS:否 制造商:Murata 存儲(chǔ)容量:512 bit 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| MFRC53001T/0FE,518 | 功能描述:RFID應(yīng)答器 IC READER 13.56MHZ RoHS:否 制造商:Murata 存儲(chǔ)容量:512 bit 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| MFRC53001T/0FE112 | 制造商:NXP Semiconductors 功能描述:CNTCLESS RC 3.3V ISO14443-A/B |
| MFRC531 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Short Form Specification |
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