R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 242
![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 14.73
Table 14.28
i = 0 or 1
BFCi, BFDi: Bits in TRDMR register
TRDGRAi
TRDGRBi
TRDGRCi
TRDGRDi
TRDGRCi
TRDGRDi
Timer RD General Register Ai, Bi, Ci and Di (i = 0 or 1)
(b15)
Register
b7
NOTE:
1.
The following registers are disabled in the PWM mode:
TRDDF0, TRDDF1, TRDIORA0, TRDIORC0, TRDIORA1 and TRDIORC1
Access the TRDGRAi to TRDGRDi registers in 16-bit units. Do not access them in 8-bit units.
−
−
BFCi = 0
BFDi = 0
BFCi = 1
BFDi = 1
Registers TRDGRAi, TRDGRBi, TRDGRCi and TRDGRDi in PWM Mode
TRDGRji Register Functions in PWM Mode
(b8)
Setting
b0
b7
Refer to Table 14.28 TRDGRji Register Functions in PWM Mode
Page 220 of 501
General register. Set the PWM period.
General register. Set the changing point of PWM output TRDIOBi
General register. Set the changing point of PWM output TRDIOCi
Buffer register. Set the next PWM period
(refer to 14.3.2 Buffer Operation.)
Buffer register. Set the changing point of the next PWM
output
(refer to 14.3.2 Buffer Operation.)
b0
TRDGRA0
TRDGRA1
TRDGRB0
TRDGRC0
TRDGRD0
TRDGRB1
TRDGRC1
TRDGRD1
Symbol
Register Function
(1)
Function
014Bh-014Ah
015Bh-015Ah
014Dh-014Ch
015Dh-015Ch
0149h-0148h
014Fh-014Eh
0159h-0158h
015Fh-015Eh
Address
After Reset
−
TRDIODi
−
TRDIOBi
PWM Output Pin
FFFFh
FFFFh
FFFFh
FFFFh
FFFFh
FFFFh
FFFFh
FFFFh
14. Timers
RW
RW
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