
preliminary
preliminary
iC-PVS
LINEAR/OFF-AXIS
BATTERY-BUFFERED ABSOLUTE POSITION HALL SENSOR
Rev A2, Page 12/51
OPERATING REQUIREMENTS: Serial I/O Interface: SPI Protocol
Operating conditions:
VDD = 3.15...5.5 V, VBAT = 3.0...5.0 V, GND = 0 V, Tj = -40...125
°
C, fslow calibrated to 34 kHz with IBIAS, unless otherwise stated.
Item
Symbol
Parameter
Conditions
Unit
No.
Min.
Max.
SPI protocol (DIOMODE = 0x3)
I101 t
C1
Permissible Clock Period
250
ns
I102 t
W1
Wait Time:
between NCS lo
→
hi and NCS hi
→
lo
2
µ
s
I103 t
S1
Setup Time:
NCS lo before SCK lo
→
hi
100
ns
I104 t
P1
Propagation Delay:
MISO stable after NCS hi
→
lo
100
ns
I105 t
P2
Propagation Delay:
MISO high impedance after NCS lo
→
hi
100
ns
I106 t
H1
Hold Time:
NCS lo after SCK lo
→
hi
valid for SPI mode 3
100
ns
I107 t
S2
Setup Time:
MOSI stable before SCK lo
→
hi
100
ns
I108 t
H2
Hold Time:
MOSI stable after SCK lo
→
hi
20
ns
I109 t
P3
Propagation Delay:
MISO stable after MOSI change
mode: repeating MOSI on MISO
100
ns
I110 t
P4
Propagation Delay:
MISO stable after SCK hi
→
lo
mode: sending data on MISO
100
ns
I111 t
W2
Wait Time:
SCK stable after NCS lo
→
hi
2
µ
s
I112 t
H3
Hold Time:
NCS lo after SCK hi
→
lo
Valid for SPI mode 0
100
ns
I113 t
L1
Clock Signal lo Level Duration
125
ns
I114 t
L2
Clock Signal hi Level Duration
125
ns
CLK: SCLK
NCS
SI: MOSI
SO: MISO
t
W1
t
S1
t
S2
t
H2
t
C1
t
P1
t
P2
t
P3
t
P4
MSB in
LSB in
MSB in
LSB in
MSB out
LSB out
t
H1
t
H3
t
W2
t
L1
t
L2
Figure 5: SPI protocol timing