CLRC663 Datasheet, PDF (118/132 Pages) NXP Semiconductors – Contactless reader IC

NXP Semiconductors
CLRC663
Contactless reader IC
V_mod
VMID
13.56 MHz
carrier
V_i(p-p)(max)
V_i(p-p)(min)
0V
Fig 34. Pin RX input voltage
001aak012
13.1 Timing characteristics
Table 247. SPI timing characteristics
Symbol Parameter
Conditions
t_SCKL
t_SCKH
t_h(SCKH-D)
SCK LOW time
SCK HIGH time
SCK HIGH to data input hold SCK to changing MOSI
time
t_su(D-SCKH) data input to SCK HIGH
set-up time
changing MOSI to SCK
t_h(SCKL-Q)
SCK LOW to data output
hold time
SCK to changing MISO
t_(SCKL-NSSH) SCK LOW to NSS HIGH
time
t_NSSH
NSS HIGH time
before communication
Min Typ Max Unit
50 - - ns
50 - - ns
25 - - ns
25 - - ns
- - 25 ns
0 - - ns
50 - - ns
Remark: To send more bytes in one data stream the NSS signal must be LOW during the
send process. To send more than one data stream the NSS signal must be HIGH between
each data stream.
Table 248. I²C-bus timing in fast mode and fast mode plus
Symbol Parameter
Conditions
Fast mode
f_SCL
t_HD;STA
t_SU;STA
t_SU;STO
t_LOW
t_HIGH
t_HD;DAT
SCL clock frequency
hold time (repeated) START
condition
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
Min Max
0 400
after this period, 600 -
the first clock pulse
is generated
600 -
600 -
1300 -
600 -
0 900
Fast mode Unit
Plus
Min Max
0 1000 kHz
260 -
ns
260 -
ns
260 -
ns
500 -
ns
260 -
ns
-
450 ns
CLRC663
Product data sheet
COMPANY PUBLIC
All information provided in this document is subject to legal disclaimers.
Rev. 3.3 — 3 April 2012
171133
© NXP B.V. 2012. All rights reserved.
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