R5F21237DFP#U0 Renesas Electronics America, R5F21237DFP#U0 Datasheet - Page 394

• Manufacturer Part Number: R5F21237DFP#U0
• Description: IC R8C/23 MCU FLASH 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/23r

Specifications of R5F21237DFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: CAN, I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K 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
• For Use With: RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0K521237S000BE - KIT DEV RSK R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
18.2
Table 18.1
n: Slot number, n = 0 to 15
Table 18.1 shows the Memory Mapping of CAN0 Message Box.
It is possible to access to the message box in byte or word.
Mapping of the message contents differs from byte access to word access. Byte access or word access can be
selected by the MsgOrder bit of the C0CTLR register.
CAN0 Message Box
1360h + n • 16 + 13
1360h + n • 16 + 14
1360h + n • 16 + 15
1360h + n • 16 + 0
1360h + n • 16 + 1
1360h + n • 16 + 3
1360h + n • 16 + 4
1360h + n • 16 + 5
1360h + n • 16 + 6
1360h + n • 16 + 7
1360h + n • 16 +2
Memory Mapping of CAN0 Message Box
Address
CAN0
Page 372 of 501
Time stamp high-order byte
Time stamp low-order byte
Data Length Code (DLC)
Byte access (8 bits)
EID17 to EID14
SID10 to SID6
EID13 to EID6
SID5 to SID0
EID5 to EID0
Data byte 0
Data byte 1
Data byte 7
Message Content (Memory Mapping)
Time stamp high-order byte
Time stamp low-order byte
Data Length Code (DLC)
Word access (16 bits)
EID17 to EID14
SID10 to SID6
EID13 to EID6
SID5 to SID0
EID5 to EID0
Data byte 1
Data byte 0
Data byte 6
18. CAN Module