R5F21238DFP#U0 Renesas Electronics America, R5F21238DFP#U0 Datasheet - Page 170

• 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 14.14
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
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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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