R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 233

• 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

R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Table 14.27
i = 0 or 1, j = either B, C or D,
h = either A, B, C or D
Count Sources
Count Operations
PWM Waveform
Count Start Condition
Count Stop Conditions
Interrupt Request Generation
Timing
TRDIOA0 Pin Function
TRDIOA1 Pin Function
TRDIOB0, TRDIOC0, TRDIOD0,
TRDIOB1, TRDIOC1, TRDIOD1
Pin Functions
INT0 Pin Function
Read from Timer
Write to Timer
Selection Functions
PWM Mode Specifications
Item
Page 211 of 501
f1, f2, f4, f8, f32, fOCO40M
Write 1 (count starts) to the TSTARTi bit in the TRDSTR register.
• Write 0 (count stops) to the TSTARTi bit in the TRDSTR register
The count value can be read by reading the TRDi register.
The value can be written to the TRDi register.
External signal input to the TRDCLK pin (valid edge selected by a
program)
Increment
PWM period: 1/fk x (m+1)
Active level width: 1/fk x (m-n)
Inactive level width: 1/fk x (n+1)
• When the CSELi bit in the TRDSTR register is set to 0, the count
• Compare match (the content in the TRDi register matches with the
• TRDi register overflows
Programmable I/O port or TRDCLK (external clock) input
Programmable I/O port
Programmable I/O port or pulse output (select every pin)
Programmable I/O port, pulse output forced cutoff signal input or INT0
interrupt input
• 1 to 3 PWM output pins selected per 1 channel
• The active level selected every pin.
• Initial output level selected every pin.
• Synchronous operation (refer to 14.3.3 Synchronous Operation.)
• Buffer operation (refer to 14.3.2 Buffer Operation.)
• Pulse output forced cutoff signal input (refer to 14.3.4 Pulse Output
fk: Frequency of count source
m: Setting value in the TRDGRAi register
n: Setting value in the TRDGRji register
when the CSELi bit in the TRDSTR register is set to 1.
The PWM output pin holds output level before the count stops.
stops at the compare match in the TRDGRAi register.
The PWM output pin holds level after output change by the compare
match.
content in the TRDGRhi register.)
Either 1 pin or multiple pins of the TRDIOBi, TRDIOCi or TRDIODi
pin.
Forced Cutoff.)
n + 1
m + 1
m - n
Specification
(When “L” is selected for the active level)
14. Timers