R5F21237JFP#U0 Renesas Electronics America, R5F21237JFP#U0 Datasheet - Page 158
R5F21237JFP#U0
Manufacturer Part Number
R5F21237JFP#U0
Description
IC R8C/23 MCU FLASH 48LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/23r
Datasheet
1.R5F21237DFPU0.pdf
(551 pages)
Specifications of R5F21237JFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
CAN, I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, Voltage Detect, WDT
Number Of I /o
41
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
2.5K 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
For Use With
RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Quantity
Price
Part Number:
R5F21237JFP#U0R5F21237JFP
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
R5F21237JFP#U0R5F21237JFP#ES
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Quantity:
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R5F21237JFP#U0R5F21237JFP#U1
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R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
14.1.2
Table 14.3
NOTE:
Count Sources
Count Operations
Divide Ratio
Count Start Condition
Count Stop Conditions
Interrupt Request
Generation Timing
INT1/TRAIO Pin
Function
TRAO Pin Function
Read from Timer
Write to Timer
Select Functions
1. The level of output pulse turn into the level when the pulse output starts by writing the TRAMR
Pulse output mode is mode to count the count source internally generated and outputs the pulse which inverts
the polarity from the TRAIO pin each time the timer underflows (see Table 14.3 Pulse Output Mode
Specifications).
Figure 14.7 shows the TRAIOC Register in Pulse Output Mode.
register.
Item
Pulse Output Mode
Pulse Output Mode Specifications
Page 136 of 501
f1, f2, f8, fOCO
• Decrement
• When the timer underflows, the contents in the reload register is reloaded and
1/(n+1)(m+1)
n: setting value of TRAPRE register, m: setting value of TRA register
Write 1 (count starts) to the TSTART bit in the TRACR register
• Write 0 (count stops) to the TSTART bit in the TRACR register
• Write 1 (count forcibly stops) to the TSTOP bit in the TRACR register
When timer RA underflows [timer RA interrupt]
Pulse output, programmable output port, or INT1 interrupt
Programmable I/O port or inverted output of TRAIO
The count value can be read by reading the TRA and TRAPRE registers
• When registers TRAPRE and TRA are written while the count is stopped,
• When registers TRAPRE and TRA are written during the count, values are
• TRAIO output polarity switch function
• Inverted pulse output function
• Pulse output stop function
• INT1/TRAIO pin select function
the count is inherited
values are written to both the reload register and counter.
written to the reload register and counter (refer to 14.1.1.1 Timer Write
Control during Count Operation).
The TEDGSEL bit in the TRAIOC register can select the polarity level when
the pulse output starts
The pulse which inverts the polarity of the TRAIO output can be output from
the TRAO pin (selected by the TOENA bit in the TRAIOC register)
The pulse output from the TRAIO pin can be stopped by the TOPCR bit.
P1_7 or P1_5 is selected by the TIOSEL bit in the TRAIOC register.
(1)
Specification
(1)
(1)
14. Timers
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