R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 354
![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
16.3.1
Table 16.6
CKS3 CKS2 CKS1 CKS0
0
1
When the MST bit in the ICCR1 register is set to 0, the transfer clock is the external clock input from the SCL
pin. When the MST bit in the ICCR1 register is set to 1, the transfer clock is the internal clock selected by the
CKS0 to CKS3 bits in the ICCR1 register and the transfer clock is output from the SCL pin.
Table 16.6 lists the Transfer Rate Examples.
ICCR1 Register
0
1
0
1
Transfer Clock
Transfer Rate Examples
0
1
0
1
0
1
0
1
Page 332 of 501
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Transfer
f1/100
f1/112
f1/128
f1/128
f1/160
f1/200
f1/224
f1/256
Clock
f1/28
f1/40
f1/48
f1/64
f1/80
f1/56
f1/80
f1/96
f1 = 5 MHz f1 = 8 MHz f1 = 10 MHz f1 = 16 MHz f1 = 20 MHz
78.1 kHz
62.5 kHz
50.0 kHz
44.6 kHz
39.1 kHz
89.3 kHz
62.5 kHz
52.1 kHz
39.1 kHz
31.3 kHz
25.0 kHz
22.3 kHz
19.5 kHz
179 kHz
125 kHz
104 kHz
80.0 kHz
71.4 kHz
62.5 kHz
83.3 kHz
62.5 kHz
50.0 kHz
40.0 kHz
35.7 kHz
31.3 kHz
286 kHz
200 kHz
167 kHz
125 kHz
100 kHz
143 kHz
100 kHz
Transfer Rate
89.3 kHz
78.1 kHz
78.1 kHz
62.5 kHz
50.0 kHz
44.6 kHz
39.1 kHz
357 kHz
250 kHz
208 kHz
156 kHz
125 kHz
100 kHz
179 kHz
125 kHz
104 kHz
16. Clock Synchronous Serial Interface
80.0 kHz
71.4 kHz
62.5 kHz
571 kHz
400 kHz
333 kHz
250 kHz
200 kHz
160 kHz
143 kHz
125 kHz
286 kHz
200 kHz
167 kHz
125 kHz
100 kHz
89.3 kHz
78.1 kHz
714 kHz
500 kHz
417 kHz
313 kHz
250 kHz
200 kHz
179 kHz
156 kHz
357 kHz
250 kHz
208 kHz
156 kHz
125 kHz
100 kHz
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