R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 200
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
14.3.4
In the output compare function, PWM mode, reset synchronous PWM mode, complementary PWM mode and
PWM3 mode, the TRDIOji output pin can be forcibly set to the programmable I/O port by the INT0 pin input,
and pulse output can be cut off.
The used pins for the output in these functions or modes can function as the output pin of Timer RD when
setting the applicable bit in the TRDOER1 register to 0 (enable Timer RD output). When the PTO bit in the
TRDOER2 register to 1 (INT0 of pulse output forced cutoff signal input enabled), all bits in the TRDOER1
register are set to 1 (disable Timer RD output, the TRDIOji output pin is used as the programmable I/O port)
after “L” is applied to the INT0 pin. The TRDIOji output pin is set to the programmable I/O port after “L” is
applied to the INT0 pin and waiting for 1 to 2 cycles of the Timer RD operation clock (refer to Table 14.11
Timer RD Operation Clocks).
Set as below when using this function:
According to the selection of the POL bit in the INT0IC register and change of the INT0 pin input, the IR bit in
the INT0IC register is set to 1 (interrupt request). Refer to 12. Interrupts for details of interrupts.
• Set the pin status (high impedance, “L” or “H” output) with the pulse output forced cutoff by the P2 and
• Set the INT0EN bit in the INTEN register to 1 (enable INT0 input) and the INT0PL bit to 0 (one edge).
• Set the PD4_5 bit in the PD4 register to 0 (input mode).
• Set the INT0 digital filter by the INT0F1 to INT0F0 bits in the INTF register.
• Set the PTO bit in the TRDOER2 register to 1 (enable pulse output forced cutoff signal input INT0).
PD2 registers.
Pulse Output Forced Cutoff
Page 178 of 501
14. Timers
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