UPD70F3714GC-8BS-A Renesas Electronics America, UPD70F3714GC-8BS-A Datasheet - Page 384

• Manufacturer Part Number: UPD70F3714GC-8BS-A
• Description: MCU 32BIT V850ES/LX2 64-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Ix2r

Specifications of UPD70F3714GC-8BS-A

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: CSI, UART/USART
• Peripherals: LVD, PWM, WDT
• Number Of I /o: 39
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 6K x 8
• Voltage - Supply (vcc/vdd): 3.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

9.4.2
382
(internal signal)
(internal signal)
TOQ1m signal
(1) Dead-time control mechanism
TOQ1m signal
Remark
Dead-time
Dead-time
counter m
counter m
pin output
pin output
pin output
pin output
TOQ1Bm
TOQ1Bm
TOQ1Tm
In the 6-phase PWM output mode, compare registers 1 to 3 (TQ1CCR1, TQ1CCR2, and TQ1CCR3) are used
to set the duty factor, and compare register 0 (TQ1CCR0) is used to set the cycle. By setting these four
registers and by starting the operation of TMQ, three types of PWM output waves (basic 3-phase waves) with a
variable duty factor are generated. These three PWM output waves are input to the timer Q option unit
(TMQOP1) and their inverted signal with dead-time is created to generate three sets of (six) PWM waves.
The TMQOP1 unit consists of three 10-bit counters (dead-time counters 1 to 3) that operate in synchronization
with the count clock of TMQ1, and a TMQ1 dead-time compare register (TQ1DTC) that specifies dead time. If
“a” is set to the TQ1DTC register, the dead-time value is “a”, and interval “a” is created between a positive-
phase wave and a negative-phase wave.
TOQ1Tm
Dead-time control (generation of negative-phase wave signal)
counter
counter
16-bit
16-bit
m = 1 to 3
0000H
(a) When dead time is inserted (TQ1DTC register = a)
a
0
Figure 9-8. PWM Output Wave with Dead Time (1)
(b) No dead time (TQ1DTC register = 000H)
CHAPTER 9 MOTOR CONTROL FUNCTION
User’s Manual U17716EJ2V0UD
a
0