MLX90132 Datasheet, PDF (40/44 Pages) Melexis Microelectronic Systems – 13.56MHz RFID / NFC Transceiver

MLX90132
13.56MHz RFID / NFC Transceiver
12.5 SPI Characteristics
Symbol
fSCK
VIL
VIH
VOL
VOH
tSU(NSS)(1)
th(NSS) ⁽¹⁾
tCH(SCKL) ⁽¹⁾
tCH(SCKH) ⁽¹⁾
tSU(SI) ⁽¹⁾
th(SI) ⁽¹⁾
tv(SO) ⁽¹⁾
th(SO) ⁽¹⁾
Cb_SPI_IN
Cb_SPI_OUT
Parameter
Min
SPI clock frequency
Input low voltage
Input high voltage
Output low voltage
0.7*VDD
Output high voltage
NSS setup time
0.7*VDD
NSS hold time
Clock low time
Clock high time
Data slave Input setup time
Data slave Input hold time
Data slave output valid time
Data slave output hold time
Capacitive load for input pins NSS, CLK, MOSI
Capacitive load for input pins MOSI
Table 38: SPI interface characteristics
1. Values based on design simulation and/or characterization results, not tested in production
Typ
70
0
200
200
20
150
280
Max
2
0.3*VDD
0.4*VDD
Units
MHz
V
ns
80
3
pF
20
Figure 16: SPI timing diagram (Slave mode and CPOL = 0, CPHA = 0)
Figure 17: SPI timing diagram (Slave mode and CPOL = 1, CPHA = 1)
3901090132
Rev. 009
Page 40 of 44
Jan-2014