MF0ICU1 데이터 시트보기 (PDF) - NXP Semiconductors.
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MF0ICU1 Datasheet PDF : 31 Pages
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NXP Semiconductors
MF0ICU1
MIFARE Ultralight contactless single-ticket IC
7.2 Communication overview
Commands are initiated by the PCD and controlled by the MF0ICU1’s command
interpreter. This processes the internal states and generates the appropriate response.
POR
STATE
DIAGRAM
TYPICAL
TRANSACTION
TIME
Idle
state
Halt
state
REQA command
WUPA command
WUPA command
Ready 1
state
ANTICOLLISION command
SELECT command
of cascade level 1
HALT command
identification
and
selection
procedure
READ command
from address 0
Ready 2
state
READ command
from address 0
ANTICOLLISION command
SELECT command
of cascade level 2
5 ms without collision
+1 ms for each collision
Active
state
memory
operations
WRITE
of 4 Byte
READ
of 16 Byte
READ (16 bytes): 2.0 ms
WRITE (4 bytes): 4.6 ms
C. WRITE (4 bytes): 6.2 ms
001aak569
Fig 4.
In all states, the command interpreter will return to the idle state on receipt of an unexpected
command. If the IC was previously in the halt state, it will return to that state.
Communication principle state diagram
028639
Product data sheet
COMPANY PUBLIC
All information provided in this document is subject to legal disclaimers.
Rev. 3.9 — 23 July 2014
028639
© NXP Semiconductors N.V. 2014. All rights reserved.
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