R5F2L387ANFP#U1 Renesas Electronics America, R5F2L387ANFP#U1 Datasheet - Page 801
R5F2L387ANFP#U1
Manufacturer Part Number
R5F2L387ANFP#U1
Description
MCU 1KB FLASH 48K ROM 80-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/Lx/38Ar
Datasheet
1.R5F2L387ANFPU1.pdf
(864 pages)
Specifications of R5F2L387ANFP#U1
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
LCD, POR, PWM, Voltage Detect, WDT
Number Of I /o
68
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
6K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
80-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Manufacturer
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- Current page: 801 of 864
- Download datasheet (16Mb)
R8C/L35A Group, R8C/L36A Group, R8C/L38A Group, R8C/L3AA Group,
R8C/L35B Group, R8C/L36B Group, R8C/L38B Group, R8C/L3AB Group
REJ09B0441-0100 Rev.1.00
Page 764 of 802
Figure 35.2
35.10.7 Complementary PWM Mode
TRDGRB0 register
TRDGRA1 register
TRDGRB1 register
TRDSR0 register
TRDGRA0 register
•
•
Switching procedure: When setting to complementary PWM mode (including re-set), or changing the transfer
(1) Set both the TSTART0 and TSTART1 bits in the TRDSTR register to 0 (count stops).
(2) Set bits CMD1 to CMD0 in the TRDFCR register to 00b (timer mode, PWM mode, and PWM3 mode).
(3) Set bits CMD1 to CMD0 to 10b or 11b (complementary PWM mode).
(4) Set the registers associated with other timer RD again.
Switching procedure: When stopping complementary PWM mode
(1) Set both the TSTART0 and TSTART1 bits in the TRDSTR register to 0 (count stops).
(2) Set bits CMD1 to CMD to 00b (timer mode, PWM mode, and PWM3 mode).
•
•
setting value
When complementary PWM mode is used for motor control, make sure OLS0 = OLS1.
Change bits CMD1 to CMD0 in the TRDFCR register in the following procedure.
Do not write to TRDGRA0, TRDGRB0, TRDGRA1, or TRDGRB1 register during operation.
When changing the PWM waveform, transfer the values written to registers TRDGRD0, TRDGRC1, and
TRDGRD1 to registers TRDGRB0, TRDGRA1, and TRDGRB1 using the buffer operation.
However, to write data to the TRDGRD0, TRDGRC1, or TRDGRD1 register, set bits BFD0, BFC1, and
BFD1 to 0 (general register). After this, bits BFD0, BFC1, and BFD1 may be set to 1 (buffer register).
The PWM period cannot be changed.
If the value set in the TRDGRA0 register is assumed to be m, the TRD0 register counts m-1, m, m+1, m, m-1,
in that order, when changing from increment to decrement operation.
When changing from m to m+1, the IMFA bit is set to 1. Also, bits CMD1 to CMD0 in the TRDFCR register
are set to 11b (complementary PWM mode, buffer data transferred at compare match between registers TRD0
and TRDGRA0), the content of the buffer registers (TRDGRD0, TRDGRC1, and TRDGRD1) is transferred
to the general registers (TRDGRB0, TRDGRA1, and TRDGRB1).
During m+1, m, and m-1 operation, the IMFA bit remains unchanged and data are not transferred to registers
such as the TRDGRA0 register.
IMFA bit in
TRD0 register
count value
Complementary PWM Mode
Operation at Compare Match between Registers TRD0 and TRDGRA0 in
m
Transfer from buffer register
1
0
Set to 0 by a program.
timing from the buffer register to the general register in complementary PWM mode.
Oct 30, 2009
m+1
No change
No transfer from buffer register
When bits CMD1 to CMD0 in the
TRDFCR register are set to 11b
(transfer from the buffer register to the
general register at compare match
between registers TRD0 and
TRDGRA0).
35. Usage Notes
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