R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 38
![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
R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ03B0097-0200
Figure 5.4
4-wire bus communication mode, Master, CPHS = 1
4-wire bus communication mode, Master, CPHS = 0
SSCK (output)
SSCK (output)
SSCK (output)
SSCK (output)
SSO (output)
SSO (output)
SCS (output)
(CPOS = 1)
(CPOS = 0)
SCS (output)
(CPOS = 1)
(CPOS = 0)
SSI (input)
SSI (input)
CPHS, CPOS: Bits in SSMR register
I/O Timing of Clock Synchronous Serial I/O with Chip Select (Master)
Page 36 of 48
V
t
V
IH
SU
IH
V
V
or V
IH
or V
IH
or V
or V
OH
t
OH
LO
t
t
t
HI
LO
t
SU
OH
HI
t
H
OH
t
t
LO
t
HI
t
t
LO
HI
H
t
SUCYC
t
t
FALL
t
SUCYC
FALL
t
OD
t
OD
t
RISE
t
RISE
5. Electrical Characteristics