IC-LNG_14 Datasheet, PDF (17/30 Pages) IC-Haus GmbH – 16-BIT OPTO ENCODER

iC-LNG 16-BIT OPTO ENCODER ^preliminary
WITH SPI AND SERIAL / PARALLEL OUTPUTS
OPERATING MODES
Rev B1, Page 17/30
iC-LNG has two operating modes. These are selected at a configurable resolution. A power-on signal at pin
using register bit EPG.
POK indicates that the system is enabled (POK = hi).
EPG
0
1
Add. 0x07, bit 4
Interface mode
Parallel encoder mode
Table 8: Operating mode selection
In parallel encoder mode the sensor data is output as
a 14-bit, parallel data word in Gray code. For this
purpose all the relevant pins are reconfigured as out-
puts. Table 9 shows the pin functions for the respec-
tive operating mode (see also Parallel Encoder Mode
on page 24).
In interface mode a shift register is provided for sensor
data readout and an incremental interface with an in-
dex signal for the output of encoder quadrature signals
The SPI interface for device configuration can also be
used for position data readout and is available in both
operating modes.
Pin dependent on
Pin VDD VDDA Interface mode
Parallel encoder mode
GND x
I/O pins ground
I/O pins ground
VDD x
+3 V to + 5.5 V I/O pins
+3 V to + 5.5 V I/O pins
Supply voltage
Supply voltage
SCK x
SPI clock
SPI clock
MOSI x
SPI data input
SPI data input
MISO x
SPI data output
SPI data output
CS x
SPI chip select
SPI chip select
TNC x
Test input NCOS
Parallel output 13
TNS x
Test input NSIN
Parallel output 12
INCZ x
Incremental output Z
Parallel output 11
NSL x
Load shift register
Parallel output 10
DIN x
Shift register data input
Parallel output 9
DOUT x
Shift register data output
Parallel output 8
CLK x
Shift register clock
Parallel output 7
NSL x
Load shift register
Parallel output 6
PO5 x
Parallel output 5
Parallel output 5
POK x
Power OK indication
Parallel output 4
INCB x
Incremental output B
Parallel output 3
INCA x
Incremental output A
Parallel output 2
ERR x
Alarm message output
Alarm message output
TPS x
Test input PSIN
Parallel output 1
TPC x
Test input PCOS
Parallel output 0
NCOS
x Voltage output NCOS
Voltage output NCOS
PCOS
x Voltage output PCOS
Voltage output PCOS
NSIN
x Voltage output NSIN
Voltage output NSIN
PSIN
x Voltage output PSIN
Voltage output PSIN
LED
x LED current control (highside output) LED current control (highside output)
VDDA
x +4 V to + 5.5 V Supply Voltage
+4 V to + 5.5 V Supply Voltage
GNDA
x Ground
Ground
Table 9: Pin functions depending on operating mode