R5F21237KFP#U0 Renesas Electronics America, R5F21237KFP#U0 Datasheet - Page 137
R5F21237KFP#U0
Manufacturer Part Number
R5F21237KFP#U0
Description
IC R8C/23 MCU FLASH 48LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/23r
Datasheet
1.R5F21237DFPU0.pdf
(551 pages)
Specifications of R5F21237KFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
16MHz
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 ~ 125°C
Package / Case
48-LQFP
For Use With
RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21237KFP#U0R5F21237KFP#U1
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
12.4
Figure 12.18
A CAN0 wake-up interrupt request is generated by a falling edge of the CRX pin. The CAN0 wake-up interrupt is
enabled when the PortEn bit is 1 (CTX/CRX function) and Sleep bit is 1 (Sleep mode enabled) in the C0CTLR
register.
Figure 12.18 shows the Block Diagram of CAN0 Wake-Up Interrupt.
CAN0 Wake-Up Interrupt
Sleep bit in C0CTLR register
Block Diagram of CAN0 Wake-Up Interrupt
PortEn bit in C0CTLR register
Page 115 of 501
CRX
C01WKIC register
Interrupt control
circuit
CAN0 wake-up
interrupt request
12. Interrupts
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