M30803FGFP#U3 Renesas Electronics America, M30803FGFP#U3 Datasheet - Page 136

• Manufacturer Part Number: M30803FGFP#U3
• Description: MCU 3/5V 256K I-TEMP PB-FREE 100
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/80r

Specifications of M30803FGFP#U3

• Core Processor: M16C/80
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SIO, UART/USART
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 85
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 20K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 10x10b, D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

M
R
R
e
E
1
Figure 15.9 Timing chart of operation (4)
v
J
6
1 .
0
C
9
0 .
Trigger signal for
timer Ai start
signal)
Timer A4 output
U phase
output signal
U phase
Setting “1” both in DUB0 and in DUB1 provides a means to output the U phase alone and to fix the U
phase output to “H” as shown in Figure 15.9.
Timer B2
U phase
output signal
U phase
8 /
B
(timer B2 overflow
0
0
0
1
A
G
8
Signal wave
u
A carrier wave of sawtooth waveform
7
o r
. g
0 -
u
Carrier wave
1
0
p
0
, 2
0
Dead time
2
Note: Set to sawtooth modulation mode and to three-phase mode 0.
0
0
5
Page 123
Interrupt occurres.
Rewriting the value of timer A4.
m
f o
3
Rewriting three-phase
output buffer register
2
9
n
Interrupt occurres.
Rewriting the value of timer A4.
15. Three-phase motor control timers’ functions
Data transfer is made from the three-
phase buffer register to the three-
phase shift register in step with the
timing of the timer B overflow.
p
The three-phase
shift register shifts
in synchronization
with the falling
edge of timer A4.
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