R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 248

• 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
Figure 14.78
Timer RD Mode Register
Timer RD Function Control Register
b7 b6 b5 b4
b7 b6 b5 b4
NOTES:
1.
2.
3. When bits CMD1 to CMD0 are set to 00b (timer mode, PWM mode, or PWM3 mode), the setting of the PWM3 bit is
When bits CMD1 to CMD0 are set to 01b, 10b, or 11b, the MCU enters reset synchronous PWM mode or
complementary PWM mode in spite of the setting of the TRDPMR register.
Set bits CMD1 to CMD0 w hen both the TSTART0 and TSTART1 bits in the TRDSTR register are set to 0 (count stops).
enabled.
b3 b2
b3 b2
b1 b0
Registers TRDMR and TRDFCR in Reset Synchronous PWM Mode
b1 b0
0 1
0
Bit Symbol
Bit Symbol
(b3 - b1)
TRDFCR
ADTRG
Symbol
TRDMR
Symbol
STCLK
SYNC
ADEG
PWM3
CMD0
CMD1
OLS0
OLS1
BFC0
BFD0
BFC1
BFD1
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Timer RD synchronous bit
Nothing is assigned. If necessary, set to 0.
When read, the content is 1.
TRDGRC0 register function
selection bit
TRDGRD0 register function
selection bit
TRDGRC1 register function
selection bit
TRDGRD1 register function
selection bit
Combination mode selection bit
Normal-phase output level selection
bit (in reset synchronous PWM mode
or complementary PWM mode)
Counter-phase output level selection
bit (in reset synchronous PWM mode
or complementary PWM mode)
A/D trigger enable bit
(in complementary PWM mode)
A/D trigger edge selection bit
(in complementary PWM mode)
External clock input selection bit
PWM3 mode selection bit
Address
Bit Name
0138h
Address
Bit Name
013Ah
(3)
(1,2)
Set this bit to 0 (the TRD0 and TRD1 registers
operate independently.) in reset synchronous
PWM mode.
0 : General register
1 : Buffer register of TRDGRA0 register
0 : General register
1 : Buffer register of TRDGRB0 register
0 : General register
1 : Buffer register of TRDGRA1 register
0 : General register
1 : Buffer register of TRDGRB1 register
Set to 01b (reset synchronous PWM
mode) in reset synchronous PWM mode.
0 : Initial output “H”
1 : Initial output “L”
0 : Initial output “H”
1 : Initial output “L”
This bit is disabled in reset synchronous
PWM mode.
This bit is disabled in reset synchronous
PWM mode.
0 : External clock input disabled
1 : External clock input enabled
This bit is disabled in reset synchronous
PWM mode.
Active level “L”
Active level “H”
Active level “L”
Active level “H”
After Reset
00001110b
Function
After Reset
10000000b
Function
14. Timers
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
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