MCRF355 datasheet(10/22 Pages) MICROCHIP

Il numero della parte	MCRF355

Spiegazioni elettronici	13.56 MHz Passive RFID Device with Anti-Collision Feature

Download	22 Pages

Scroll/Zoom	100%

Produttore elettronici	MICROCHIP [Microchip Technology]

Homepage	http://www.microchip.com

Logo

10 / 22 page

MCRF355/360

DS21287F page 10

 2002 Microchip Technology Inc.

4.0

DEVICE PROGRAMMING

MCRF355/360 is a reprogrammable device in Contact

mode. The device has 154 bits of reprogrammable

memory. It can be programmed in the following proce-

dure. (A programmer, part number PG103003, is also

available from Microchip).

4.1

Programming Logic

Programming logic is enabled by applying power to the

device and clocking the device via the CLK pad while

loading the mode code via the V

PRG pad (See

Examples 4-1 through 4-4 for test definitions). Both the

CLK and the V

PRG pads have internal pull-down

resistors.

4.2

Pin Configuration

Connect antenna A, B and V

SS pads to ground.

4.3

Pin Timing

1.

Apply V

DDT voltage to VDD. Leave VSS, CLK and

V

PRG at ground.

2.

Load mode code into the V

PRG pad. The VPRG

is sampled at CLK low to high edge.

3.

The above mode function (3.2.2) will be

executed when the last bit of code is entered.

4.

Power the device off (V

DD = VSS) to exit

Programming mode.

5.

An alternative method to exit the Programming

mode is to bring CLK logic “High” before V

PRG to

V

HH (high voltage).

6.

Any Programming mode can be entered after

exiting the current function.

4.4

Programming Mode

4.5

Signal Timing

Examples 4-1 through 4-4 show the timing sequence

for programming and reading of the device.

EXAMPLE 4-1:

PROGRAMMING MODE 1: ERASE EE

EXAMPLE 4-2:

PROGRAMMING MODE 2: PROGRAM EE

1.

Erase EE Code:

0111010100

2.

Program EE Code:

0111010010

3.

Read EE Code:

0111010110

Note:

‘0’ means logic “Low” (V

IL) and ‘1’

means logic “High” (V

IH).

V

HH

V

IL

V

IH

T

WC

V

PRG:

CLK Number:

CLK

1

234

56

7

8

9

10

11

Note: Erases entire array to a ‘1’ state between CLK 11 and 12.

12

V

HH…

V

IL

V

IH

T

WC

T

WC

Leave low to leave bit at “1”

Pulse high to program bit to “0”

Program bit #0 … Program bit #153

CLK Number:

CLK:

V

PRG:

1

2

5

6

7

8

9

10

11

…

165

…

Note: Pulsing VPRG to VHH for the bit programming time while holding the CLK low programs the bit to a ‘0’.

Codice articolo simile - MCRF355

Produttore elettronici	Il numero della parte	Scheda tecnica	Spiegazioni elettronici
Microchip Technology	MCRF200	297Kb / 24P	125 kHz microID??Passive RFID Device 11/24/03
	MCRF200I/1M00A	297Kb / 24P	125 kHz microID??Passive RFID Device 11/24/03
	MCRF200I/1M08D	297Kb / 24P	125 kHz microID??Passive RFID Device 11/24/03
	MCRF200I/1M14D	297Kb / 24P	125 kHz microID??Passive RFID Device 11/24/03
	MCRF200I/1MQ23	297Kb / 24P	125 kHz microID??Passive RFID Device 11/24/03

More results

Descrizione simile - MCRF355

Produttore elettronici	Il numero della parte	Scheda tecnica	Spiegazioni elettronici
Microchip Technology	MCRF250	395Kb / 24P	125 kHz microID Passive RFID Device with Anti-Collision 2003
Microchip Technology	MCRF450	1Mb / 50P	13.56 MHz Read/Write Passive RFID Device 2003
STMicroelectronics	SRI512	72Kb / 6P	13.56-MHz Short-range Contactless Memory Chip with 512-bit EEPROM and Anti-Collision functions
ATMEL Corporation	AT88RF020	330Kb / 14P	13.56 MHz, 2048-bit RFID EEPROM
Texas Instruments	DK-EM2-7960R	158Kb / 3P	[Old version datasheet] 13.56 MHz RFID Protocol on Stellaris짰
ATMEL Corporation	AT88RF020	194Kb / 14P	13.56 MHz, 2048-bit RFID EEPROM
Microchip Technology	MCRF202	340Kb / 20P	125 kHz Passive RFID Device with Sensor Input 2003
Schneider Electric	XGW4F111	73Kb / 2P	OsiSense XG RFID Wand reader - 13.56 MHz
Microchip Technology	MCRF200	297Kb / 24P	125 kHz microID??Passive RFID Device 11/24/03
EM Microelectronic - MA...	EM4022	278Kb / 15P	Multi Frequency Contactless Identification Device Anti-Collision compatible with BTG Supertag Category Protocols

More results

MCRF355 Scheda tecnica(PDF) 10 Page - Microchip Technology

MCRF355 Scheda tecnica(HTML) 10 Page - Microchip Technology

Codice articolo simile - MCRF355

Descrizione simile - MCRF355

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

Scheda tecnica Scarica

Link URL