參數(shù)資料
型號: MFRC52201HN1
廠商: NXP Semiconductors N.V.
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Contactless reader IC
封裝: MFRC52201HN1<SOT617-1 (HVQFN32)|<<http://www.nxp.com/packages/SOT617-1.html<1<Always Pb-free,;MFRC52201HN1<SOT617-1 (HVQFN32)|<<http://www.nxp.com/packages/SOT617-1.html&
文件頁數(shù): 76/92頁
文件大小: 691K
代理商: MFRC52201HN1
MFRC522_35
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NXP B.V. 2010. All rights reserved.
Product data sheet
PUBLIC
Rev. 3.5 — 21 June 2010
112135
76 of 92
NXP Semiconductors
MFRC522
Contactless reader IC
Table 155. I
2
C-bus timing in Fast mode
Symbol Parameter
Conditions
Fast mode
High-speed
mode
Min
0
160
Unit
Min
0
600
Max
400
-
Max
3400 kHz
-
f
SCL
t
HD;STA
SCL clock frequency
hold time (repeated) START
condition
after this period,
the first clock pulse
is generated
ns
t
SU;STA
set-up time for a repeated
START condition
set-up time for STOP condition
LOW period of the SCL clock
HIGH period of the SCL clock
data hold time
data set-up time
rise time
fall time
rise time
600
-
160
-
ns
t
SU;STO
t
LOW
t
HIGH
t
HD;DAT
t
SU;DAT
t
r
t
f
t
r
600
1300 -
600
0
100
20
20
20
-
160
160
60
0
10
10
10
10
-
-
-
70
-
40
40
80
ns
ns
ns
ns
ns
ns
ns
ns
-
900
-
300
300
300
SCL signal
SCL signal
SDA and SCL
signals
SDA and SCL
signals
t
f
fall time
20
300
10
80
ns
t
BUF
bus free time between a STOP
and START condition
1.3
-
1.3
-
μ
s
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.
Fig 25. Timing diagram for SPI
001aaj634
t
SCKL
t
SCKH
t
SCKL
t
DXSH
t
SHDX
t
DXSH
t
SLDX
t
SLNH
MOSI
SCK
MISO
MSB
MSB
LSB
LSB
NSS
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