IC-PVL Datasheet, PDF (9/33 Pages) IC-Haus GmbH – LINEAR/OFF-AXIS BATTERY-BUFFERED HALL MULTITURN ENCODER

iC-PVL LINEAR/OFF-AXIS
preliminary
BATTERY-BUFFERED HALL MULTITURN ENCODER
Rev B3, Page 9/33
OPERATING REQUIREMENTS: Serial and Parallel Interface
Operating conditions:
VDD = 3.0...5.5 V, VBAT < VDD + 1.0 V, Tj = -40...125 °C, fslow calibrated to 34 kHz with IBIAS, unless otherwise stated.
Item Symbol Parameter
No.
Conditions
Min.
Max.
Serial Interface Mode (SSI or Chain Mode if Applicable)
I001
I002
I003
I004
I005
I006
I007
t_wait
treq
t_C
f_C
t_L1
t_L2
t_frame
SSI Request after VDD Power-on
Request Signal lo Level Duration
Permissible Clock Period
Permissible Clock Frequency
Clock Signal hi Level Duration
Clock Signal lo Level Duration
Cyclic Multiturn Data Frame Request
Interval
due to Elec. Char. B02
due to Elec. Char. B02
10
50
0.25
1/(2·t_out )
50
50
85
2·t_out
10
I008 t_S
Setup Time:
refer to Fig. 2
30
Data stable before clock edge hi → lo
I009 t_H
Hold Time:
refer to Fig. 2
30
Data stable after clock edge hi → lo
I²C Slave Mode Direct Access
I010 t_wait
I011 f_scl
I²C Request after VDD Power-on
10
Permissible Input Clock Frequency
I²C standard mode with timeout Elec. Char.
1/(2·t_out )
100
B02
Parallel Encoder Mode (SEL = High)
I012 t_start
Length of Start Pulse on PRE Pin
see Figure 11 on Page 21
1
I013 t_cycle
Time Between Two Consecutive Sensor see Figure 11 on Page 21
30
Read Cycles
Unit
µs
ns
µs
MHz
ns
ns
µs
ns
ns
µs
kHz
µs
µs
t
frame
t
t tt
t
t
req
c
L1 L2
p
out
CLK
REQ
DO
MT MSB
...
MT LSB PCR 7
...
PCR 0 Sync 2 Sync 1 Sync 0 NERR NWRN PARITY
Absolute Data Multiturn
(Period Count per Revolution)
(Synchronization)
(Error + Warning)
(Parity)
Timeout
Figure 1: I/O line signals of the serial interface in SSI mode (INT_MODE = 0)
NSL
tt
SH
t
c
to iC-LNB/LNG only
DI
ST MSB
MSB-1
...
ST LSB DIN
DIN
CLK
DO
MT MSB MSB-1 MSB-2
...
MT LSB ST MSB
…
ST LSB DIN
DIN
t
p
t
frame
t
out
Sample ST MSB
for synchronisation
(first CLK rising edge)
Figure 2: I/O line signals of the serial interface in chain mode (INT_MODE = 1).