R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 8
![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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- Download datasheet (6Mb)
3.
The symbols and terms used in register diagrams are described below.
*1
*2
*3
*4
• Reserved bit
• Nothing is assigned
• Do not set to a value
• Function varies according to the operating mode.
XXX Register
Blank: Set to 0 or 1 according to the application.
0: Set to 0.
1: Set to 1.
X: Nothing is assigned.
RW: Read and write.
RO: Read only.
WO: Write only.
−: Nothing is assigned.
b7
Register Notation
b6
Reserved bit. Set to specified value.
Nothing is assigned to the bit. As the bit may be used for future functions, if necessary, set to 0.
Operation is not guaranteed when a value is set.
The function of the bit varies with the peripheral function mode. Refer to the register diagram for information
on the individual modes.
b5
b4
0
b3
b2
b1
b0
Bit Symbol
XXX0
XXX1
XXX4
XXX5
XXX6
XXX7
(b2)
(b3)
*1
XXX bits
Nothing is assigned. If necessary, set to 0.
When read, the content is undefined.
Reserved bits
XXX bits
XXX bit
Symbol
XXX
Bit Name
1 0: XXX
0 1: XXX
1 0: Do not set.
1 1: XXX
Set to 0.
Function varies according to the operating
mode.
0: XXX
1: XXX
b1 b0
Address
XXX
Function
After Reset
00h
RW
RW
RW
RW
RW
WO
RW
RO
*3
*4
*2
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