R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 12
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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
R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ03B0097-0200
2.
Figure 2.1 shows the CPU Registers. The CPU contains 13 registers. Of these, R0, R1, R2, R3, A0, A1, and FB
comprise a register bank. Two sets of register banks are provided.
Figure 2.1
b31
Central Processing Unit (CPU)
NOTE:
1. A register bank comprises these registers. Two sets of register banks are provided.
CPU Registers
R3
R2
b15
Page 10 of 48
IPL
b19
b19
INTBH
The 4-high order bits of INTB are INTBH and
the 16-low order bits of INTB are INTBL.
b15
b15
b15
b15
R0H (high-order of R0)
R1H (high-order of R1) R1L (low-order of R1)
b8
U
b7
PC
I
INTBL
USP
FLG
ISP
FB
SB
R2
R3
A0
A1
b8b7
O
R0L (low-order of R0)
B
S
Z
D
C
b0
b0
b0
b0
b0
b0
2. Central Processing Unit (CPU)
Frame base registers
Address registers
Data registers
User stack pointer
Interrupt stack pointer
Static base register
Flag register
Carry flag
Debug flag
Zero flag
Sign flag
Register bank select flag
Overflow flag
Interrupt enable flag
Stack pointer select flag
Reserved area
Processor interrupt priority level
Reserved area
Interrupt table register
Program counter
(1)
(1)
(1)