AT88RF04C-MVB1G Atmel, AT88RF04C-MVB1G Datasheet - Page 63
AT88RF04C-MVB1G
Manufacturer Part Number
AT88RF04C-MVB1G
Description
CRYPTOMEMORY 1-4KBIT 4ZONE MVB
Manufacturer
Atmel
Series
CryptoMemory®, CryptoRF®r
Datasheets
1.AT97SC3204-X1DB150.pdf
(8 pages)
2.AT88RF04C-MR1G.pdf
(11 pages)
3.AT88RF04C-MVB1G.pdf
(158 pages)
4.AT88RF04C-MVB1G.pdf
(2 pages)
Specifications of AT88RF04C-MVB1G
Rf Type
Read / Write
Frequency
13.56MHz
Features
ISO1444-2, 1444-3, 4-kbits
Package / Case
MVB Module
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- AT97SC3204-X1DB150 PDF datasheet
- AT88RF04C-MR1G PDF datasheet #2
- AT88RF04C-MVB1G PDF datasheet #3
- AT88RF04C-MVB1G PDF datasheet #4
- Current page: 63 of 158
- Download datasheet (892Kb)
6.19.
6.19.1. Operation
6.19.2. Command Field Descriptions
5276C–RFID–3/09
Check Password Command [$cC]
The Check Password command transmits a password for validation.
To read or write data in User Zones that require a password for access the host must carry out a password validation
operation. To write data to the Configuration Memory during personalization the host must carry out a transport
password validation operation. The host uses the Check Password command to send the password for validation
against the password selected with the Password Index byte. Only PICCs in the Active State are permitted to answer
this command.
If the Check Password is successful, the Password Attempts Counter (PAC) is cleared and the ACK response is
issued. Only one password is active at any time. If the Check Password fails, the PAC is incremented and a NACK
response is issued. The Check Password success or failure is memorized and active until the PICC is powered down,
removed from the Active state, or until a new Check Password is received. If the password trials limit is reached,
subsequent Check Password commands will be rejected.
If the Authentication Communication mode or the Encryption Communication mode is active, then the three PW bytes
are encrypted. In Normal Communication mode the PW bytes are not encrypted.
CID:
Password Index: Identifies the password register that the PICC will check the transmitted password against.
Echo Command >
Command >
The Card ID assigned by the ATTRIB command.
AT88SC0808/1616/3216/6416CRF, AT88RF04C
CID
Password Index
Reader
CRC1
CRC2
PW 1
PW 2
PW 3
$C
CID
ACK/NACK
STATUS
CRC1
CRC2
PICC
$C
63
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