R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 247
![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 14.77
Timer RD Start Register
b7 b6 b5 b4 b3 b2
NOTES:
1.
2.
3.
4.
5.
Set the TRDSTR register using the MOV instruction (do not use the bit handling instruction). Refer to 14.3.12.1
TRDSTR Register of Notes on Timer RD.
When the CSEL0 bit is set to 1, w rite 0 to the TSTART0 bit.
When the CSEL1 bit is set to 1, w rite 0 to the TSTART1 bit.
When the CSEL0 bit is set to 0 and generating the compare match signal(TRDIOA0), this bit is set to 0 (count stops).
When the CSEL1 bit is set to 0 and generating the compare match signal(TRDIOA1), this bit is set to 0 (count stops).
b1 b0
TRDSTR Register in Reset Synchronous PWM Mode
Bit Symbol
TSTART0
TSTART1
(b7 - b4)
TRDSTR
Symbol
CSEL0
CSEL1
Page 225 of 501
(1)
—
TRD0 count start flag
TRD1 count start flag
[This bit is not used in reset
TRD0 count operation select bit 0 : Count stops at the compare match
TRD1 count operation select bit 0 : Count stops at the compare match
Nothing is assigned. If necessary, set to 0.
When read, the content is 1.
synchronous PWM mode]
Address
Bit Name
0137h
(4)
(5)
0 : Count stops
1 : Count starts
0 : Count stops
1 : Count starts
1 : Count continues at the compare
1 : Count continues at the compare
w ith the TRDGRA0 register
match w ith the TRDGRA0 register
w ith the TRDGRA1 register
match w ith the TRDGRA1 register
(2)
(3)
After Reset
11111100b
Function
14. Timers
RW
RW
RW
RW
RW
—
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