ST7MC2R6 STMicroelectronics, ST7MC2R6 Datasheet - Page 226
ST7MC2R6
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
Datasheet
1.ST7MC1K4.pdf
(309 pages)
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
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ST7MC1xx/ST7MC2xx
MOTOR CONTROLLER (Cont’d)
MOTOR Z EVENT FILTER REGISTER (MZFR)
Read/Write
Reset Value: 0000 1111 (0Fh)
Bits 7:4 = ZEF[3:0]: Z Event Filter bits
These bits select the number of valid consecutive
Z events (when the Z event is detected) needed to
generate the active event. Sampling is done at the
selected f
PWM frequency.
Table 80. Z Event filter Setting
226/309
ZEF3 ZEF2 ZEF1 ZEF0
ZEF3
7
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
ZEF2
6
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
SCF
ZEF1
5
frequency (see
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
ZEF0
4
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
ZWF3 ZWF2 ZWF1 ZWF0
3
Z event Samples
Table
2
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
82.) or at
1
0
Bits 3:0 = ZWF[3:0]: Z Window Filter bits
These bits select the length of the blanking win-
dow activated at each D event. The filter blanks
the Z event detection until the end of the time win-
dow.
Table 81. Z Window filter Setting
Note: Times are indicated for 4 MHz f
ZWF3 ZWF2 ZWF1 ZWF0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
D to Z window fil-
ter in Sensorless
Mode (SR=0)
100 µs
120 µs
140 µs
160 µs
180 µs
200 µs
10 µs
15 µs
20 µs
25 µs
30 µs
35 µs
40 µs
60 µs
80 µs
5 µs
PERIPH
SR=1
event
Filter
Win-
after
dow
No
D
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