ST7MC2R6 STMicroelectronics, ST7MC2R6 Datasheet - Page 166

• Manufacturer Part Number: ST7MC2R6
• Description: 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,BRUSHLESS MOTOR CONTROL, 5 TIMERS, SPI, LINSCI(TM)
• Manufacturer: STMicroelectronics

Specifications of ST7MC2R6

• Hdflash Endurance: 100 cycles, data retention
• Clock Sources: crystal/ceramic resonator oscillators and by-pass for external clock, clock security system.
• Four Power Saving Modes: Halt, Active-Halt, Wait and Slow
• Main Clock Controller With: Real time base, Beep and Clock-out capabilities
• Two 16-bit Timers With: 2 input captures, 2 output compares, external clock input, PWM and pulse generator modes
• 8-bit Pwm Auto-reload Timer With: 2 input captures, 4 PWM outputs, output compare and time base interrupt, external clock with event detector

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