R5F2L3A7ANFP#U1 Renesas Electronics America, R5F2L3A7ANFP#U1 Datasheet - Page 285
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 248 of 802
18.5
Table 18.4
Note:
Count sources
Count operations
One-shot pulse
output time
Count start conditions • The TSTART bit in the TRBCR register is set to 1 (count starts) and the next
Count stop conditions • When reloading completes after timer RB underflows during the primary period
Interrupt request
generation timing
TRBP pin function
INT0 pin functions
Read from timer
Write to timer
Selectable functions
In programmable one-shot generation mode, a one-shot pulse is output from the TRBO pin by a program or an
external trigger input (input to the INT0 pin) (refer to Table 18.4). When a trigger is generated, the timer starts
operating from the point only once for a given period equal to the set value in the TRBPR register. The TRBSC
register is not used in this mode.
Figure 18.4 shows an Operating Example in Programmable One-Shot Generation Mode.
1. The set value is reflected at the following one-shot pulse after writing to the TRBPR register.
Programmable One-shot Generation Mode
Item
Programmable One-Shot Generation Mode Specifications
f1, f2, f8, timer RA underflow
• The setting value of the TRBPR register is decremented.
• When the timer underflows, it reloads the contents of the reload register before
• When the count stops, the timer reloads the content of the reload register before
(n+1)(m+1)/fi
fi: Frequency of count source
n: Value set in TRBPRE register, m: Value set in TRBPR register
• 1 (one-shot starts) is written to the TOSST bit in the TRBOCR register.
• Trigger input to the INT0 pin
• 1 (one-shot stops) is written to the TOSSP bit in the TRBOCR register.
• 0 (count stops) is written to the TSTART bit in the TRBCR register.
• 1 (count forcibly stops) is written to the TSTOP bit in the TRBCR register.
In half a cycle of the count source, after the timer underflows (at the same time as
the waveform output from the TRBO pin ends) [timer RB interrupt]
Pulse output
• When the INOSTG bit in the TRBIOC register is set to 0 (INT0 one-shot trigger
• When the INOSTG bit in the TRBIOC register is set to 1 (INT0 one-shot trigger
The count value can be read out by reading registers TRBPR and TRBPRE.
• When registers TRBPRE and TRBPR are written while the count is stopped,
• When registers TRBPRE and TRBPR are written during count operation, values
• Output level select function
• One-shot trigger select function
the count completes and the TOSSTF bit is set to 0 (one-shot stops).
it stops.
trigger is generated.
disabled): programmable I/O port or INT0 interrupt input
enabled): external trigger (INT0 interrupt input)
values are written to both the reload register and counter.
are written to the reload register only
The output level of the one-shot pulse waveform is selected by the TOPL bit
in the TRBIOC register.
Refer to 18.5.3 One-Shot Trigger Selection .
Oct 30, 2009
Specification
(1)
.
18. Timer RB
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