 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
MFRC522 Datasheet(PDF) 6 Page - NXP Semiconductors |
|
||||||||||||||||||||||||||||||
MFRC522 Datasheet(HTML) 6 Page - NXP Semiconductors |
|
|
6 / 96 page  MFRC522_33 © NXP B.V. 2009. All rights reserved. Product data sheet PUBLIC Rev. 3 — 26 October 2009 112133 6 of 96 NXP Semiconductors MFRC522 Contactless reader IC [1] Pin types: I = Input, O = Output, I/O = Input/Output, P = Power and G = Ground. [2] The pin functionality of these pins is explained in Section 8.1 “Digital interfaces”. [3] Connection of heatsink pad on package bottom side is not necessary. Optional connection to pin DVSS is possible. 16 VMID P internal reference voltage 17 RX I RF signal input 18 AVSS G analog ground 19 AUX1 O auxiliary outputs for test purposes 20 AUX2 O auxiliary outputs for test purposes 21 OSCIN I crystal oscillator inverting amplifier input; also the input for an externally generated clock (fclk = 27.12 MHz) 22 OSCOUT O crystal oscillator inverting amplifier output 23 IRQ O interrupt request output: indicates an interrupt event 24 SDA I/O I2C-bus serial data line input/output[2] NSS I SPI signal input[2] RX I UART address input[2] 25 D1 I/O test port[2] ADR_5 I/O I2C-bus address 5 input[2] 26 D2 I/O test port ADR_4 I I2C-bus address 4 input[2] 27 D3 I/O test port ADR_3 I I2C-bus address 3 input[2] 28 D4 I/O test port ADR_2 I I2C-bus address 2 input[2] 29 D5 I/O test port ADR_1 I I2C-bus address 1 input[2] SCK I SPI serial clock input[2] DTRQ O UART request to send output to microcontroller[2] 30 D6 I/O test port ADR_0 I I2C-bus address 0 input[2] MOSI I/O SPI master out, slave in[2] MX O UART output to microcontroller[2] 31 D7 I/O test port SCL I/O I2C-bus clock input/output[2] MISO I/O SPI master in, slave out[2] TX O UART data output to microcontroller[2] 32 EA I external address input for coding I2C-bus address[2] Table 3. Pin description …continued Pin Symbol Type[1] Description |
Similar Part No. - MFRC522_09 |
|
Similar Description - MFRC522_09 |
|
|
Link URL |
| Privacy Policy |
| ALLDATASHEET.COM |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
