Renesas RA6T2 Application Note page 54

Sensorless vector control for permanent magnetic
synchronous motor - 1shunt current detection
Table 3-23 Configuration Options for Driver Access
Configuration Options (rm_motor_driver.h)
Options
Shunt type
PWM timer frequency (MHz)
PWM carrier period (michro seconds)
Dead time (raw counts)
Current range (A)
Voltage range (V)
Counts for current offset measurement
A/D conversion channel for U phase current
A/D conversion channel for main line voltage
Input voltage
Resolution of A/D conversion
Offset of A/D conversion for current
Conversion level of A/D conversion for
voltage
GTIOCA stop level
GTIOCB stop level
Maximum duty
Table 3-24 Configuration Options initial value(rm_motor_driver.h)
Options
Shunt type
PWM timer frequency (MHz)
PWM carrier period (michro seconds)
Dead time (raw counts)
Current range (A)
Voltage range (V)
Counts for current offset measurement
A/D conversion channel for U phase
current
A/D conversion channel for main line
voltage
Input voltage
Resolution of A/D conversion
Offset of A/D conversion for current
Conversion level of A/D conversion for
voltage
GTIOCA stop level
GTIOCB stop level
Maximum duty
R01AN6840EJ0100 Rev.1.00
May 23, 2023
For Renesas Flexible Motor Control Series
Description
Selects how many shunt resistances to use current
detection.
PWM Timer Clock Frequency [MHz]
PWM Carrier Period [micro seconds]
PWM Dead time [raw counts]
Measurement Range of Electric current [A]
Measurement Range of Inverter Voltage [V]
Counts of measurement the offset of A/D Conversion
at electric current input.
A/D channel for U-phase current
A/D channel for main line voltage
Range of input for main line voltage
Resolution of A/D conversion
Please set same value with ADC module setting.
Offset level of A/D conversion input for current
Please set according to the circuit.
Conversion level of A/D conversion for voltage
Please set when the CPU main voltage is different.
Output level of upper arm at stop status
Output level of lower arm at stop status
Maximum duty of PWM
Maximum duty except dead time.
RA6T2 RA4T1
1shunt 2shunt
120 100
50 50
240 200
16.5 16.5
73.26 73.26
500 500
4 0
6 4
24.0 24.0
0xFFF 0xFFF
0x7FF 0x7FF
1.0 1.0
Pin Level Low Pin Level Low
Pin Level High Pin Level High
0.9375 0.9375
RA6T3
2shunt
100
50
200
16.5
73.26
500
0
4
24.0
0xFFF
0x7FF
1.0
Pin Level Low
Pin Level High
0.9375
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