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參數(shù)資料
| 型號： | CLRM701 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | CLRM701 MIFARE and ICODE contactless reader module |
| 封裝： | CLRM701/IAB<NAD000|<<<1<,; |
| 文件頁數(shù)： | 18/21頁 |
| 文件大?。?/td> | 1100K |
| 代理商： | CLRM701 |
101432
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 3.2 — 24 May 2007
6 of 21
NXP Semiconductors
CLRM701
Mifare & ICODE contactless reader module
5.3.1 Boot jumper
Setting the boot jumper before the board is connected to the power supply, the
-controller enables the internal bootstrap mechanism. This might be used to download
new firmware via the serial interface without additional hardware changes. For detailed
description of the -controller please refer to the controller’s data sheet.
5.3.2 Serial I/O
The serial I/O pins allow the user to monitor additional controller lines to fulfil
application-related requirements. Table 2 describes the I/O pins.
Fig 4.
Boot jumper and I/O pins location
Serial IO
Boot Jumper
misc. Port
Pins
Table 2.
I/O pin description
Pin No. Description
1
+ 3.3 V regulated; Controller power supply
2
RxD; asynchronous receive pin; TTL level
3
TxD; asynchronous transmit pin; TTL level
4
DSR; data set ready; asynchronous serial handshake pin; TTL level; synchronous serial
Master-Receive/Slave-Transmit
5
DTR; data terminal ready; asynchronous serial hand shake pin; TTL level
6GND
7
port 3.9; synchronous serial Master-Transmit/Slave-Receive
8
port 3.13; synchronous serial Master-Clock-Out/Slave-Clock-In
9
reset out; microcontroller reset out pin
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