R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 265
R5F21238DFP#U0
Manufacturer Part Number
R5F21238DFP#U0
Description
IC R8C/23 MCU FLASH 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/23r
Specifications of R5F21238DFP#U0
Core Size
16/32-Bit
Program Memory Size
64KB (64K x 8)
Peripherals
POR, Voltage Detect, WDT
Core Processor
R8C
Speed
20MHz
Connectivity
CAN, I²C, LIN, SIO, SSU, UART/USART
Number Of I /o
41
Program Memory Type
FLASH
Ram Size
3K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
No. Of I/o's
41
Ram Memory Size
3KB
Cpu Speed
20MHz
No. Of Timers
4
Digital Ic Case Style
LQFP
Embedded Interface Type
CAN, I2C, UART
Rohs Compliant
Yes
Cpu Family
R8C
Device Core Size
16b
Frequency (max)
20MHz
Interface Type
I2C/UART
Total Internal Ram Size
3KB
# I/os (max)
41
Number Of Timers - General Purpose
5
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
3V
On-chip Adc
12-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
48
Package Type
LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0K521237S000BE - KIT DEV RSK R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
Eeprom Size
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Table 14.32
BFC0, BFD0, BFC1, BFD1: Bits in TRDMR register
TRDGRA0
TRDGRB0
TRDGRA1
TRDGRB1
TRDGRC0
TRDGRD0
TRDGRC1
TRDGRD1
Register
Since values cannot be written to the TRDGRB0, TRDGRA1, or TRDGRB1 register directly after count
operation starts (prohibited item), use the TRDGRD0, TRDGRC1, or TRDGRD1 register as a buffer register.
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).
−
−
−
−
−
BFD0 = 1 Buffer register. Set the changing point of next PWM1 output.
BFC1 = 1 Buffer register. Set the changing point of next PWM2 output.
BFD1 = 1 Buffer register. Set the changing point of next PWM3 output.
Setting
TRDGRji Register Functions in Complementary PWM Mode
Page 243 of 501
General register. Set the PWM period at initialization.
Setting range: Setting value or above in TRD0 register
Do not write when the TSTART0 and TSTART1 bits in the
TRDSTR register are set to 1 (count starts).
General register. Set the changing point of PWM1 output at
initialization.
Setting range: Setting value or above in TRD0 register
Do not write when the TSTART0 and TSTART1 bits in the
TRDSTR register are set to 1 (count starts).
General register. Set the changing point of PWM2 output at
initialization.
Setting range: Setting value or above in TRD0 register
Do not write when the TSTART0 and TSTART1 bits in the
TRDSTR register are set to 1 (count starts).
General register. Set the changing point of PWM3 output at
initialization.
Setting range: Setting value or above in TRD0 register
Do not write when the TSTART0 and TSTART1 bits in the
TRDSTR register are set to 1 (count starts).
These registers n
(Refer to 14.3.2 Buffer Operation )
Setting range: Setting value or above in TRD0 register
Set this register to the same value as the TRDGRB0 register
for the initialization.
(Refer to 14.3.2 Buffer Operation )
Setting range: Setting value or above in TRD0 register
Set this register to the same value as the TRDGRA1 register
for the initialization.
(Refer to 14.3.2 Buffer Operation )
Setting range: Setting value or above in TRD0 register
Set this register to the same value as the TRDGRB1 register
for the initialization.
TRDGRA0 register - TRD0 register setting
FFFFh - TRD0 register setting value
or below
value or below
TRDGRA0 register - TRD0 register setting
value or below
TRDGRA0 register - TRD0 register setting
value or below
TRDGRA0 register - TRD0 register setting
value or below
TRDGRA0 register - TRD0 register setting
value or below
TRDGRA0 register - TRD0 register setting
value or below
ot used in complementary PWM mode.
Register Function
(Output inversed every
half period of TRDIOC0
pin)
TRDIOB0
TRDIOD0
TRDIOA1
TRDIOC1
TRDIOB1
TRDIOD1
−
TRDIOB0
TRDIOD0
TRDIOA1
TRDIOC1
TRDIOB1
TRDIOD1
PWM Output Pin
14. Timers
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