R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 245
![IC R8C/23 MCU FLASH 48-LQFP](/photos/12/38/123822/r5f21238dfp_u0_sml.jpg)
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
Figure 14.76
14.3.8
Output 3 normal-phases and 3 counter-phases of the PWM waveform with the same period (no three-phase,
sawtooth wave modulation and dead time).
Figure 14.76 shows the Block Diagram of Reset Synchronous PWM Mode, Table 14.29 lists the Reset
Synchronous PWM Mode Specifications. Figures 14.77 to 14.84 show the Registers Associated with Reset
Synchronous PWM Mode and Figure 14.85 shows the Operating Example of Reset Synchronous PWM Mode.
Refer to Figure 14.75 Operating Example of PWM Mode (Duty 0%, Duty 100%) for the operation example
in PWM Mode of duty 0% and duty 100%.
Reset Synchronous PWM Mode
NOTE:
1. When the BFC0, BFD0, BFC1 and BFD1 bits in the TRDMR register are set to 1 (buffer register).
TRDGRC0
TRDGRD0
TRDGRC1
TRDGRD1
Block Diagram of Reset Synchronous PWM Mode
Buffer
register
register
register
register
(1)
Page 223 of 501
TRDGRA0
TRDGRB0
TRDGRA1
TRDGRB1
register
register
register
register
Waveform control
PWM1
PWM2
PWM3
Period
Normal-phase
Counter-phase
Counter-phase
Normal-phase
Counter-phase
Normal-phase
TRDIOC0
TRDIOB0
TRDIOD0
TRDIOA1
TRDIOC1
TRDIOB1
TRDIOD1
14. Timers
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