ST7FMC1K2B3 STMICROELECTRONICS [STMicroelectronics], ST7FMC1K2B3 Datasheet - Page 166

• Manufacturer Part Number: ST7FMC1K2B3
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST7MC1xx/ST7MC2xx
MOTOR CONTROLLER (Cont’d)
Note
If only one encoder output is available, it may be
input either on MCIA or MCIB and an encoder
clock signal will still be generated (in this case the
frequency will be 50% less than with two inputs.
The state of EDIR bit will depend on signals
present on MCIA and MCIB pins, the result will be
Table 35. Input Detection Block set-up
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1
Input Detection
Position Sensor
Speed Sensor
Block Mode
Sensorless
Tachogenerator,
Hall, Optical,...
Hall, Optical...
Sensor Type
Incremental
Encoder
N/A
Both rising and falling edges
Both rising and falling edges
Both rising and falling edges
Edge sensitivity
Falling edge
Rising edge
(imposed)
N/A
given by the sampling of MCIA with MCIB falling
edges.
10.6.6.14 Summary
Input Detection block set-up for the different avail-
able modes is summarized in the
SR
bit
1
0
x
Any configuration dif-
ferent from 00:
TES[1:0] bits
(Tacho Edge
Selection)
01 10 11
00
00
01
10
11
(Input Selection)
Table
IS[1:0] bits
35.
00
01
10
00
01
10
11
00
01
10
00
01
10
00
01
10