R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 170
![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 14.14
Timer RB Control Register
Timer RB One-Shot Control Register
b7 b6 b5 b4
NOTES:
b7 b6 b5 b4 b3 b2
NOTES:
1.
2.
3. Indicates that count operation is in progress in timer mode or programmable w aveform mode. In programmable one-
1.
2.
Refer to 14.2.5 Notes on Tim er RB .
When the TSTOP bit is set to 1, registers TRBPRE, TRBSC, TRBPR, and bits TSTART and TCSTF, and the TOSSTF bit
in the TRBOCR register are set to values after a reset.
shot generation mode or programmable w ait one-shot generation mode, indicates that a one-shot pulse trigger has
been acknow ledged.
When 1 is set to the TSTOP bit in the TRBCR register, the TOSSTF bit is set to 0.
This register is enabled w hen bits TMOD1 to TMOD0 in the TRBMR register is set to 10b (programmable one-shot
generation mode) or 10b (programmable w ait one-shot generation mode).
b3 b2
Registers TRBCR and TRBOCR
b1 b0
b1 b0
Bit Symbol
Bit Symbol
TRBOCR
TSTART
TOSSTF
(b7-b3)
(b7-b3)
Symbol
TRBCR
TSTOP
Symbol
TOSST
TOSSP
TCSTF
Page 148 of 501
—
—
Timer RB count start bit
Timer RB count status flag
Timer RB count forcible stop
bit
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
Timer RB one-shot start bit
Timer RB one-shot stop bit
Timer RB one-shot status
flag
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
(1,2)
(1)
(2)
Address
Bit Name
Address
Bit Name
0108h
0109h
(1)
(1)
0 : Stops counting
1 : Starts counting
0 : Stops counting
1 : Counting
When this bit is set to 1, the count is forcibly
stopped. When read, the content is 0.
When this bit is set to 1, the one-shot trigger
generated. When read, the content is 0.
When this bit is set to 1, the one-shot pulses
(including programmable w ait one-shot pulses)
stops. When read, the content is 0.
0 : One-shot stopping
1 : One-shot operating (including w ait period)
(3)
After Reset
After Reset
Function
Function
00h
00h
14. Timers
RW
RW
RW
RW
RW
RW
RO
RO
—
—
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