R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 395

• 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

R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 18.2
Figure 18.3
Figure 18.2 shows the Bit Mapping in Byte Access and Figure 18.3 shows the Bit Mapping in Word Access. The
content of each slot remains unchanged unless transmission or reception of a new message is performed.
CAN data frame:
NOTE:
CAN data frame:
NOTE:
SID10 to 6 SID5 to 0 EID17 to 14 EID13 to 6 EID5 to 0 DLC3 to 0
SID10 to 6 SID5 to 0 EID17 to 14 EID13 to 6 EID5 to 0 DLC3 to 0
1.
1.
b7
b15
: When setting the slot for transmission, written value is read. When setting the slot for reception, 0 is read.
: When setting the slot for transmission, written value is read. When setting the slot for reception, 0 is read.
EID13
Bit Mapping in Byte Access
Bit Mapping in Word Access
Time stamp high-order byte
EID5
Page 373 of 501
EID12
SID10 SID9 SID8 SID7 SID6
Data byte 0
Data byte 2
Data byte 4
Data byte 6
EID4
EID17
EID3
EID11
SID5
EID5
EID16
EID2
Time stamp high-order byte
Time stamp low-order byte
EID15
EID1
SID10
EID10
SID4
EID4
EID14
Data byte 0
Data byte 1
Data byte 7
EID0
b8 b7
EID13
EID17
DLC3
SID9
SID3
EID9
EID3
Data byte
Data byte
EID12
0
0
Time stamp low-order byte
EID11
SID5 SID4 SID3 SID2 SID1 SID0
EID16
DLC2
SID8
SID2
EID8
EID2
Data byte
Data byte
EID10
Data byte 1
Data byte 3
Data byte 5
Data byte 7
1
1
DLC3
EID9 EID8
EID15
DLC1
SID7
SID1
EID7
EID1
DLC2
DLC1
EID7 EID6
EID14
DLC0
SID6
SID0
EID6
EID0
DLC0
b0
b0
18. CAN Module
Data byte
Data byte
7
7