R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 243
![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 14.74
TRDSRi register
TRDSRi register
TRDSRi register
TRDSRi register
TRDIOCi output
TRDIODi output
TRDIOBi output
The above applies to the following conditions:
The BFCi and BFDi bits in the TRDMR register are set to 0. (The TRDGRCi and TRDGRDi registers are not used as the buffer register.)
The EBi, ECi and EDi bits in the TRDOER1 register are set to 0. (Enable TRDIOBi, TRDIOCi and TRDIODi pin outputs.)
The TOBi and TOCi bits in the TRDOCR register are set to 0 (inactive level), the TODi bit is set to 1. (active level)
The POLB bit in the TRDPOCRi register is set to 1 (active level “H”), the POLC and POLD bits are set to 0. (active level “L”)
i = 0 or 1
IMFA bit in
IMFB bit in
IMFC bit in
IMFD bit in
Count source
Value in TRDi register
Operating Example of PWM Mode
1
0
1
0
1
0
1
0
m
n
p
q
Page 221 of 501
Initial output “H” to
compare match
Initial output “L” to
Initial output “L” to
compare match
compare match
Active level “H”
Active level “L”
Set to 0 by a program
Set to 0 by a program
q + 1
Inactive Level “H”
Inactive Level “L”
p + 1
n + 1
m + 1
m: Setting value in TRDGRAi register
n: Setting value in TRDGRBi register
p: Setting value in TRDGRCi register
q: Setting value in TRDGRDi register
m - q
Set to 0 by a program
m - p
m - n
Set to 0 by a program
14. Timers
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