ST7FMC2R7T6TR STMicroelectronics, ST7FMC2R7T6TR Datasheet - Page 277

• Manufacturer Part Number: ST7FMC2R7T6TR
• Description: IC MCU 8BIT 32K FLASH 64-LQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST7FMC2R7T6TR

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: LINSCI, SPI
• Peripherals: LVD, Motor Control PWM, POR, PWM, WDT
• Number Of I /o: 44
• Program Memory Size: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 3.8 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LQFP
• For Use With: 497-8402 - BOARD EVAL COMPLETE INVERTER497-8400 - KIT IGBT PWR MODULE CTRL ST7MC497-6408 - BOARD EVAL BLDC SENSORLESS MOTOR497-4734 - EVAL KIT 3KW POWER DRIVER BOARD497-4733 - EVAL KIT 1KW POWER DRIVER BOARD497-4732 - EVAL KIT 300W POWER DRIVER BOARD497-4731 - EVAL KIT PWR DRIVER CONTROL BRD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

MOTOR CONTROL CHARACTERISTICS (Cont’d)
Figure 154. Example 5: Waveforms for sensor HST update timing diagram for a newly selected
phase input
Sampling of sensor input is done at f
for input selection, you have to wait:
1) 1/f
2) 100ns corresponding to the comparator & multiplexer propagation delay (d)
3) 1/f
4) 1/fmtc to resynchronize the data and set the HST bit
Example with f
Secure
waiting
time
to read HST
SCF[1:0]
f
SCF
MCIx
f
f
Comparator
output
sample
write IS[1:0] = 01
IS[1:0] (MPHST)
HST (MCRC)
mtc
SCF
mtc
SCF
= 2 x fcpu
to resynchronize the data and set the MCIx bit
to sample the comparator output
PERIPH
1MHz 500kHz 250kHz 125kHz
00
2µs
= f
mtc
3µs
01
XX
= 4MHz :
d
5µs
10
SCF
, so after writing IS[1:0] in the MPHST register
9µs
11
01
ST7MC1xx/ST7MC2xx
Sampling time
277/309