R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 154
![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
Figure 14.3
Timer RA Mode Register
Timer RA Prescaler Register
b7 b6 b5 b4
NOTE:
b7
NOTE:
1.
1. When the TSTOP bit in the TRACR register is set to 1, the TRA register is set to FFh.
When both the TSTART and TCSTF bits in the TRACR register are set to 0 (count stops), rew rite this register.
b3 b2
b1 b0
Registers TRAMR and TRAPRE
b0
Timer Mode
Pulse Output Mode
Event Counter Mode
Pulse Width
Measurement Mode
Pulse Period
Measurement Mode
Bit Symbol
TCKCUT
TRAMR
TMOD0
TMOD1
TMOD2
Symbol
TCK0
TCK1
TCK2
(b3)
Page 132 of 501
—
(1)
TRAPRE
Symbol
Mode
Timer RA operation mode
select bits
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
Timer RA count source
select bits
Timer RA count source
cutoff bit
Address
Bit Name
0102h
Counts an internal count source
Counts an internal count source
Counts an external count source
Counts an internal count source
Counts an internal count source
b2 b1 b0
0 0 0 : Timer mode
0 0 1 : Pulse output mode
0 1 0 : Event counter mode
0 1 1 : Pulse w idth measurement mode
1 0 0 : Pulse period measurement mode
1 0 1 :
1 1 0 :
1 1 1 :
b6 b5 b4
0 0 0 : f1
0 0 1 : f8
0 1 0 : fOCO
0 1 1 : f2
1 0 0 :
1 0 1 :
1 1 0 :
1 1 1 :
0 : Provides count source
1 : Cuts off count source
Address
Function
0103h
Do not set
Do not set
After Reset
Function
00h
Setting Range
After Reset
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
FFh
(1)
14. Timers
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
—
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