ST7FMC1M2T3 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST7FMC1M2T3

8-bit MCU with nested interrupts, Flash, 10-bit ADC, brushless motor control, five timers, SPI, LINSCI™

STMicroelectronics 

ST7MC1xx/ST7MC2xx

MOTOR CONTROLLER (Cont’d)

Figure 78. Input Stage in Sensorless or Sensor Mode (bits TES[1:0] = 00)

Input Block

Input Comparator Block

Event Detection

MCIA

A

MCIB

B

MCIC

C

MCVREF

Inputn Sel Reg

MPHST Register

IS[1:0]

00

CS,H SR bit

MCRA Register

01

+

-

10

111 VREF

MDFR Register

1

DWF[3:0]

MZFR Register

2

ZWF[3:0]

DQ

CP

Sample

DS,H

CS,H

VR[2:0]

MCRC Register

MCRC Register

MCONF Register

SPLG bit

DS[3:0] bits

fSCF

Sampling frequency

I

12-bit PWM generator Signal U

V

Notes:

Reg Updated/Shifted on R

Regn Updated with Regn+1 on C

I Current Mode

V Voltage Mode

MCRA Register

V0C1 bit

MCRB Register MPOL Register

CPBn bit*

ZVD bit

events:

C Commutation

Z BEMF Zero-crossing

DS,H End Of Demagnetization

E Emergency Stop

R+/- Ratio Updated (+1 or -1)

O Multiplier Overflow

1 Branch taken after C event

2 Branch taken after D event

Z Event Generation

MPOL Register

DS,H

CS,H

REO bit

or

Sample 2

D Event Generation

1

or

or or

MCRA Register

SR bit

CPBn bit* HDMn bit*

MCRB Register

MCRA Register

PZ bit

to ZH Generation

to DH Generation

* = Preload register, changes taken into account at next C event

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