R5F21237JFP#U0 Renesas Electronics America, R5F21237JFP#U0 Datasheet - Page 11
R5F21237JFP#U0
Manufacturer Part Number
R5F21237JFP#U0
Description
IC R8C/23 MCU FLASH 48LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/23r
Datasheet
1.R5F21237DFPU0.pdf
(551 pages)
Specifications of R5F21237JFP#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/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:
R5F21237JFP#U0R5F21237JFP
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
R5F21237JFP#U0R5F21237JFP#ES
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
R5F21237JFP#U0R5F21237JFP#U1
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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7.
8.
9.
10.
11.
12.
6.2
6.3
7.1
7.2
7.3
7.4
7.5
8.1
10.1
10.2
10.3
10.4
10.5
10.6
12.1
6.1.2
10.2.1
10.2.2
10.3.1
10.3.2
10.3.3
10.3.4
10.3.5
10.3.6
10.3.7
10.3.8
10.4.1
10.4.2
10.4.3
10.5.1
10.6.1
10.6.2
10.6.3
10.6.4
12.1.1
12.1.2
12.1.3
Programmable I/O Ports ............................................................................................................... 45
Processor Mode ............................................................................................................................ 69
Bus ................................................................................................................................................ 70
Clock Generation Circuit ............................................................................................................... 71
Protection ...................................................................................................................................... 95
Interrupts ....................................................................................................................................... 96
Voltage Monitor 1 Reset ......................................................................................................................... 42
Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset ..................................................................... 43
Functions of Programmable I/O Ports ..................................................................................................... 45
Effect on Peripheral Functions ................................................................................................................ 46
Pins Other than Programmable I/O Ports ................................................................................................ 46
Port Settings ............................................................................................................................................ 57
Unassigned Pin Handling ........................................................................................................................ 68
Processor Modes ...................................................................................................................................... 69
XIN Clock ............................................................................................................................................... 79
On-Chip Oscillator Clocks ...................................................................................................................... 80
CPU Clock and Peripheral Function Clock ............................................................................................. 81
Power Control .......................................................................................................................................... 83
Oscillation Stop Detection Function ....................................................................................................... 91
Notes on Clock Generation Circuit ......................................................................................................... 94
Interrupt Overview .................................................................................................................................. 96
Monitoring Vdet2 ............................................................................................................................... 41
Low-Speed On-Chip Oscillator Clock ................................................................................................ 80
High-Speed On-Chip Oscillator Clock ............................................................................................... 80
System Clock ...................................................................................................................................... 81
CPU Clock .......................................................................................................................................... 81
Peripheral Function Clock (f1, f2, f4, f8, f32, and fCAN0) ............................................................... 81
fOCO ................................................................................................................................................... 81
fOCO40M ........................................................................................................................................... 81
fOCO-F ............................................................................................................................................... 81
fOCO-S ............................................................................................................................................... 81
fOCO128 ............................................................................................................................................. 82
Standard Operating Mode ................................................................................................................... 83
Wait Mode .......................................................................................................................................... 84
Stop Mode ........................................................................................................................................... 88
How to Use Oscillation Stop Detection Function ............................................................................... 91
Stop Mode ........................................................................................................................................... 94
Wait Mode .......................................................................................................................................... 94
Oscillation Stop Detection Function ................................................................................................... 94
Oscillation Circuit Constants .............................................................................................................. 94
Types of Interrupts .............................................................................................................................. 96
Software Interrupts ............................................................................................................................. 97
Special Interrupts ................................................................................................................................ 98
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