T555401N-DDW Atmel, T555401N-DDW Datasheet - Page 10

• Manufacturer Part Number: T555401N-DDW
• Manufacturer: Atmel

Specifications of T555401N-DDW

• Screening Level: Industrial
• Lead Free Status / Rohs Status: Supplier Unconfirmed

Table 4-1.
Figure 4-6.
10
PWD
1
1
0
0
x
T5554
AOR
1
0
1
0
0
V
T5554 - Modes of Operation
Answer-on-request (AOR) Mode
Coil 1 - Coil 2
STOP
0
0
0
0
1
Behavior of Tag after Reset/POR
Anticollision mode:
Modulation starts after wake-up
with a matching PWD
Password mode:
Plain/Normal mode:
See corresponding modes above
POR
• Programming needs valid PWD
• AOR allows programing with read protection (no read after
• Modulation starts after reset
• Programming needs valid PWD
• Modulation starts after wake-up command
• Programming with modulation defeat without previous
• AOR allows programing with read protection (no read after
• Modulation starts after reset
• Direct access command
• Programming without password
write)
wake-up
possible
write)
Loading block 0
No modulation
(STOP = 0, AOR = 1)
OP-code ('10') followed by valid password
Modulation on
STOP Function
STOP OP-code (“11”) defeats
modulation until RF field is
turned off
STOP OP-code ignored,
modulation continues until RF
field is turned off
4576D–RFID–12/06