R5F2L3A7ANFP#U1 Renesas Electronics America, R5F2L3A7ANFP#U1 Datasheet - Page 267
R5F2L3A7ANFP#U1
Manufacturer Part Number
R5F2L3A7ANFP#U1
Description
MCU FLASH 48+4KB 64LQFP
Manufacturer
Renesas Electronics America
Series
R8C/Lx/3AAr
Datasheet
1.R5F2L387ANFPU1.pdf
(864 pages)
Specifications of R5F2L3A7ANFP#U1
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
LCD, POR, PWM, Voltage Detect, WDT
Number Of I /o
88
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
6K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 20x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/L35A Group, R8C/L36A Group, R8C/L38A Group, R8C/L3AA Group,
R8C/L35B Group, R8C/L36B Group, R8C/L38B Group, R8C/L3AB Group
REJ09B0441-0100 Rev.1.00
Page 230 of 802
17.6
Table 17.5
Count sources
Count operations
Count start condition
Count stop conditions
Interrupt request
generation timing
TRAIO pin function
TRAO pin function
Read from timer
Write to timer
Selectable functions
In pulse width measurement mode, the pulse width of an external signal input to the TRAIO pin is measured
(refer to Table 17.5).
Figure 17.3 shows an Operating Example in Pulse Width Measurement Mode.
Pulse Width Measurement Mode
Item
Pulse Width Measurement Mode Specifications
f1, f2, f8, fOCO-S, fC32, fC
• Decrement
• The count is continued only while the measured pulse is high or low level.
• When the timer underflows, the contents of the reload register are reloaded
1 (count starts) is written to the TSTART bit in the TRACR register.
• 0 (count stops) is written to the TSTART bit in the TRACR register.
• 1 (count forcibly stops) is written to the TSTOP bit in the TRACR register.
• When timer RA underflows [timer RA interrupt].
• Rising or falling of the TRAIO input (end of measurement period)
Measured pulse input
• When registers TRAPRE and TRA are written while the count is stopped,
• When registers TRAPRE and TRA are written during count operation, values
• Measurement level setting
• Measured pulse input pin select function
• Digital filter function
Programmable I/O port
The count value can be read out by reading registers TRA and TRAPRE.
Oct 30, 2009
and the count is continued.
[timer RA interrupt]
values are written to both the reload register and counter.
are written to the reload register and counter (refer to 17.3.2 Timer Write
Control during Count Operation ).
A high-level or low-level period is selected by the TEDGSEL bit in
the TRAIOC register.
Use of the TRAIO pin is selected by the TRAIOSEL0 bit in the TRASR
register.
Whether enabling or disabling the digital filter and the sampling frequency is
selected by bits TIPF0 and TIPF1 in the TRAIOC register.
Specification
17. Timer RA
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