R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 293

• 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 14.117 TRECR1 Register in Output Compare Mode
Figure 14.118 TRECR2 Register in Output Compare Mode
Timer RE Control Register 1
Timer RE Control Register 2
b7 b6 b5 b4
b7 b6 b5 b4
0 0
0
b3 b2
0
b3 b2 b1 b0
0 0
b1 b0
0 0
Bit Symbol
Bit Symbol
TSTART
TRECR1
TRERST
TOENA
(b6-b5)
Symbol
TRECR2
TCSTF
(b4-b0)
(b7-b6)
Symbol
COMIE
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(b0)
INT
—
—
—
—
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
Timer RE count status flag
TREO pin output enable bit
Interrupt request timing bit
Timer RE reset bit
Reserved bit
Timer RE count start bit
Reserved bit
Compare match interrupt enable bit
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
Address
Bit Name
Address
Bit Name
011Ch
011Dh
0 : During count stop
1 : In count
0 : Disable clock output
1 : Enable clock output
Set to 0 in output compare mode
When setting this bit to 0 after setting it to
1, the follow ings w ill occur.
• The TRESEC, TREMIN, and TRECR2
• The TCSTF, INT, and TSTART bits in the
• The 8-bit counter is set to 00h and
Set to 0
0 : Count stops
1 : Count starts
Set to 0
0 : Disable compare match interrupt
1 : Enable compare match interrupt
TRECR1 register are set to 0.
registers are set to 00h.
the 4-bit counter is set to 0h.
After Reset
After Reset
Function
Function
00h
00h
14. Timers
RW
RW
RW
RW
RW
RW
RO
—
RW
RW
RW
—