mfrc52301hn1-trayb NXP Semiconductors, mfrc52301hn1-trayb Datasheet - Page 78

• Manufacturer Part Number: mfrc52301hn1-trayb
• Description: Contactless Reader Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
MFRC523_33
Product data sheet
PUBLIC
Table 155. I
Symbol Parameter
t
t
t
t
t
t
t
HD;DAT
SU;DAT
r
f
r
f
BUF
Fig 25. Timing diagram for SPI
Fig 26. Timing for Fast and Standard mode devices on the I
MOSI
MISO
SCK
NSS
SDA
SCL
Remark: The signal NSS must be LOW to be able to send several bytes in one data stream.
To send more than one data stream NSS must be set HIGH between the data streams.
data hold time
data set-up time
rise time
fall time
rise time
fall time
bus free time between a STOP
and START condition
S
2
C-bus timing in Fast mode
t
f
All information provided in this document is subject to legal disclaimers.
t
LOW
t
HD;STA
t
r
t
SCKL
t
Rev. 3.3 — 5 March 2010
DXSH
MSB
MSB
t
115233
HD;DAT
t
t
t
SU;DAT
SCKH
SHDX
t
HIGH
t
…continued
f
Conditions
SCL signal
SCL signal
SDA and SCL
signals
SDA and SCL
signals
t
t
t
SLDX
DXSH
SCKL
Sr
t
SU;STA
t
HD;STA
100
20
20
Fast mode
Min
0
20
20
1.3
2
C-bus
t
SU;STO
t
SP
Max
900
-
300
300
300
300
-
Contactless reader IC
MFRC523
© NXP B.V. 2010. All rights reserved.
High-speed
mode
Min
0
10
10
10
10
10
1.3
P
t
LSB
LSB
BUF
t
r
001aaj635
Max
70
-
40
40
80
80
-
001aaj634
S
t
SLNH
78 of 98
Unit
ns
ns
ns
ns
ns
ns
μs