IC-PV Datasheet, PDF (9/28 Pages) IC-Haus GmbH – BATTERY-BUFFERED HALL MULTITURN ENCODER

iC-PV
BATTERY-BUFFERED HALL MULTITURN ENCODER
Rev E2, Page 9/28
OPERATING REQUIREMENTS: Serial and Parallel Interface
Operating conditions: VDD = 3.0...5.5 V, VBAT < VDD + 1 V, Tj = -40...125 °C, fslow calibrated to 8.5 kHz with IBIAS,
3 mm Ø NdFeB magnet, unless otherwise stated.
Item Symbol Parameter
No.
Conditions
Min.
Unit
Max.
Serial Interface to Singleturn Sensor in SSI-Mode (INT_MODE = 0)
I001 tpowr
Delay Power up to SSI Request
I002 treq
Request Signal lo Level Duration
I003 t_period
Permissible Clock Period
I005 t_hi
Clock Signal hi Level Duration
I006 t_lo
Clock Signal lo Level Duration
I007 t_cycle
Cyclic Multiturn Data Request Interval
Serial Interface to Singleturn Sensor in CHAIN-Mode (INT_MODE = 1)
20
µs
50
ns
0.25
2·t_out
µs
50
ns
50
ns
85
µs
I008 tpowup
Delay Power up to SSI Request
I009 t_period
Permissible Clock Period
I011 t_ic
Data IN Setup Time
I012 t_ci
Data IN Hold Time
Parallel Output Mode
20
µs
0.25
2·t_out
µs
30
ns
30
ns
I013 tstart
Length of Start Pulse on PRE Pin
see Figure 10
1
µs
I014 tcycle
Time between two Consecutive Sensor see Figure 10
Read Cycles
30
µs
CLK
DO
t
t
req
period
REQ
MT MSB MSB-1 MSB-2
MT LSB Sync 2 Sync 1 Sync 0 ERROR PARITY
tt
t
t
out
hi lo
phase
t
cycle
Figure 1: I/O line signals of the serial interface in SSI mode (INT_MODE = 0).
NSEL
to iC-LNB/LNG only
DI
CLK
tt
ic ci
ST MSB
MSB-1
t
period
ST LSB DIN
DIN
DO
MT MSB
t
phase
MSB-1
MSB-2
Sample ST MSB
for synchronisation
(first CLK rising edge)
MT LSB ST MSB
ST LSB DIN
DIN
t
cycle
t
out
Figure 2: I/O line signals of the serial interface in chain mode (INT_MODE = 1). Usage with iC-LNG/LNB
optical singleturn encoder only.