R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 10
![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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SFR Page Reference ........................................................................................................................... B - 1
1.
2.
3.
4.
5.
6.
1.1
1.2
1.3
1.4
1.5
1.6
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
3.1
3.2
5.1
5.2
5.3
5.4
5.5
5.6
6.1
2.8.1
2.8.2
2.8.3
2.8.4
2.8.5
2.8.6
2.8.7
2.8.8
2.8.9
2.8.10
5.1.1
5.1.2
6.1.1
Overview ......................................................................................................................................... 1
Central Processing Unit (CPU) ..................................................................................................... 10
Memory ......................................................................................................................................... 13
Special Function Registers (SFRs) ............................................................................................... 15
Resets ........................................................................................................................................... 28
Voltage Detection Circuit .............................................................................................................. 35
Applications ............................................................................................................................................... 1
Performance Overview .............................................................................................................................. 2
Block Diagram .......................................................................................................................................... 4
Product Information .................................................................................................................................. 5
Pin Assignments ........................................................................................................................................ 7
Pin Functions ............................................................................................................................................. 8
Data Registers (R0, R1, R2 and R3) ....................................................................................................... 11
Address Registers (A0 and A1) ............................................................................................................... 11
Frame Base Register (FB) ....................................................................................................................... 11
Interrupt Table Register (INTB) .............................................................................................................. 11
Program Counter (PC) ............................................................................................................................. 11
User Stack Pointer (USP) and Interrupt Stack Pointer (ISP) .................................................................. 11
Static Base Register (SB) ........................................................................................................................ 11
Flag Register (FLG) ................................................................................................................................ 11
R8C/22 Group ......................................................................................................................................... 13
R8C/23 Group ......................................................................................................................................... 14
Hardware Reset ....................................................................................................................................... 31
Power-On Reset Function ....................................................................................................................... 33
Voltage Monitor 1 Reset ......................................................................................................................... 34
Voltage Monitor 2 Reset ......................................................................................................................... 34
Watchdog Timer Reset ............................................................................................................................ 34
Software Reset ......................................................................................................................................... 34
VCC Input Voltage .................................................................................................................................. 41
Carry Flag (C) ..................................................................................................................................... 11
Debug Flag (D) ................................................................................................................................... 11
Zero Flag (Z) ....................................................................................................................................... 11
Sign Flag (S) ....................................................................................................................................... 11
Register Bank Select Flag (B) ............................................................................................................ 11
Overflow Flag (O) .............................................................................................................................. 11
Interrupt Enable Flag (I) ..................................................................................................................... 12
Stack Pointer Select Flag (U) .............................................................................................................. 12
Processor Interrupt Priority Level (IPL) ............................................................................................. 12
Reserved Bit ........................................................................................................................................ 12
When Power Supply is Stable ............................................................................................................. 31
Power On ............................................................................................................................................ 31
Monitoring Vdet1 ............................................................................................................................... 41
Table of Contents
A - 1
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