mfrc531 NXP Semiconductors, mfrc531 Datasheet - Page 98

• Manufacturer Part Number: mfrc531
• Description: Iso/iec 14443 Reader Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
14. EEPROM characteristics
15. Application information
MFRC531_34
Product data sheet
PUBLIC
Fig 24. Application example circuit diagram: directly matched antenna
MICROPROCESSOR
15.1.1 Circuit diagram
15.1 Typical application
The EEPROM size is 32 × 16 × 8 = 4096 bit.
Table 163. EEPROM characteristics
Figure 24
MFRC531:
Symbol
N
t
t
t
ret
er
a(W)
endu(W_ER)
control lines
data bus
IRQ
shows a typical application where the antenna is directly matched to the
Parameter
write or erase endurance
retention time
erase time
write access time
MICROPROCESSOR
BUS
IRQ
DVDD
DVDD
DVSS
Rev. 3.4 — 26 January 2010
OSCIN
RSTPD
Reset
056634
MFRC531
15 pF
13.56 MHz
OSCOUT
AVDD
AVDD
Conditions
erase/write cycles
T
amb
15 pF
≤ 55 °C
TVDD
TVDD
AVSS
TVSS
VMID
TX1
TX2
RX
C4
100 nF
L0
L0
R2
Min
100.000 -
10
-
-
ISO/IEC 14443 reader IC
C0
C0
C1
C1
R1
MFRC531
Typ
-
-
-
001aal225
© NXP B.V. 2010. All rights reserved.
C2a
C2b
C3
Max
-
-
2.9
2.9
98 of 116
Hz
Unit
year
ms
ms