R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 136
![IC R8C/23 MCU FLASH 48-LQFP](/photos/12/38/123822/r5f21238dfp_u0_sml.jpg)
R5F21238DFP#U0
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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- Download datasheet (6Mb)
R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 12.17
Key Input Enable Register
b7 b6 b5 b4 b3 b2
NOTE:
1.
The IR bit in the KUPIC register may be set to 1 (requests interrupt) w hen the KIEN register is rew ritten.
Refer to 12.7.4 Changing Interrupt Sources.
KIEN Register
b1 b0
Bit Symbol
Symbol
KI0EN
KI0PL
KI1EN
KI1PL
KI2EN
KI2PL
KI3EN
KI3PL
Page 114 of 501
KIEN
(1)
KI0 input enable bit
KI0 input polarity select bit
KI1 input enable bit
KI1 input polarity select bit
KI2 input enable bit
KI2 input polarity select bit
KI3 input enable bit
KI3 input polarity select bit
Address
Bit Name
00FBh
0 : Disable
1 : Enable
0 : Falling edge
1 : Rising edge
0 : Disable
1 : Enable
0 : Falling edge
1 : Rising edge
0 : Disable
1 : Enable
0 : Falling edge
1 : Rising edge
0 : Disable
1 : Enable
0 : Falling edge
1 : Rising edge
After Reset
Function
00h
12. Interrupts
RW
RW
RW
RW
RW
RW
RW
RW
RW
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