V02.00 | 2021/02
33
7.3.6
Resetting the password in the read/write head
The
Reset Password in the Read/Write Head
command deletes the password in the read/write
head via a Get command.
yes
yes
yes
Ready for RFID-
communication
Ready?
(XCVR_ON = true)
(DONE = true)
„GET“ active?
(DONE = false)
(BUSY = true)
no
no
ERROR = true
yes
GET command
(GET = true)
[false
➞
true
➞
false]
Preallocate values:
Byte Count = 6
Tag present?
(TP = true)
no
„GET“
successful?
(ERROR = false)
(DONE = true)
(BUSY = false)
no
yes
• Command recessed:
GET = false
• Data available in
receive buffer:
READ DATA (8 Byte)
• Ready for RFID-
communication:
DONE = true
BUSY = false
XCVR_CON = true
XCVR_ON = true
Error?
Error?
Fig. 27: Flow chart
Get.request
TXBUF[1]
6
Get.response
RXBUF[1]
6