R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 25
![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
Table 1.2
NOTES:
CPU
Peripheral
Function
Electric
Characteristics
Flash Memory
Operating Ambient Temperature
Package
1. When using options, be sure to inquire about the specification.
2. I
2
C bus is a registered trademark of Koninklijke Philips Electronics N.V.
Functions and Specifications for R8C/23 Group
Number of fundamental instructions 89 instructions
Minimum instruction execution time 50 ns (f(XIN) = 20 MHz, VCC = 3.0 to 5.5 V)
Operating mode
Address space
Memory capacity
Ports
Timers
Serial interface
Clock synchronous serial interface
LIN module
CAN module
A/D converter
Watchdog timer
Interrupts
Clock generation circuits
Oscillation stop detection
function
Voltage detection circuit
Power-on reset circuit include
Supply voltage
Current consumption
Programming and erasure voltage
Programming and erasure
endurance
Item
Page 3 of 501
Timer RA: 8 bits x 1 channel,
1 channel (UART0)
1 channel
Hardware LIN: 1 channel
15 bits x 1 channel (with prescaler)
2 circuits
VCC = 2.7 to 5.5 V
-40 to 85°C
100 ns (f(XIN) = 10 MHz, VCC = 2.7 to 5.5 V)
Single-chip
1 Mbyte
Refer to Table 1.4 Product Information for R8C/23 Group
I/O ports: 41 pins, Input port: 3 pins
Timer RB: 8 bits x 1 channel
Timer RD: 16 bits x 2 channel
Timer RE: With compare match function
1 channel (UART1)
(Timer RA, UART0)
1 channel with 2.0B specification: 16 slots
10-bit A/D converter: 1 circuit, 12 channels
Reset start selectable
Internal: 14 sources, External: 6 sources, Software: 4 sources,
Priority level: 7 levels
Stop detection of XIN clock oscillation
On-chip
On-chip
VCC = 3.0 to 5.5 V (f(XIN) = 20 MHz)(D, J version)
VCC = 3.0 to 5.5 V (f(XIN) = 16 MHz)(K version)
VCC = 2.7 to 5.5 V (f(XIN) = 10 MHz)
Typ. 12.5 mA (VCC = 5 V, f(XIN) = 20 MHz, High-speed on-
chip oscillator stopping)
Typ. 6.0 mA (VCC = 5 V, f(XIN) = 10 MHz, High-speed on-chip
oscillator stopping)
10,000 times (data flash)
1,000 times (program ROM)
-40 to 125°C (option
48-pin mold-plastic LQFP
XIN clock generation circuit (with on-chip feedback resistor)
On-chip oscillator (high speed, low speed)
High-speed on-chip oscillator has frequency adjustment
function.
Clock synchronous I/O, UART
UART
I
select
2
C bus interface
(Each timer equipped with 8-bit prescaler)
(Circuits of input capture and output compare)
(2)
(1)
, Clock synchronous serial I/O with chip
)
Specification
1. Overview
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