R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 8

• 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

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