R5F2L387ANFP#U1 Renesas Electronics America, R5F2L387ANFP#U1 Datasheet - Page 289
R5F2L387ANFP#U1
Manufacturer Part Number
R5F2L387ANFP#U1
Description
MCU 1KB FLASH 48K ROM 80-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/Lx/38Ar
Datasheet
1.R5F2L387ANFPU1.pdf
(864 pages)
Specifications of R5F2L387ANFP#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
68
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 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
80-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 252 of 802
18.6
Table 18.5
Note:
Count sources
Count operations
Wait time
One-shot pulse output time
Count start conditions
Count stop conditions
Interrupt request
generation timing
TRBO pin function
INT0 pin functions
Read from timer
Write to timer
Selectable functions
In programmable wait 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 18.5). When a trigger is generated from that point, the
timer outputs a pulse only once for a given length of time equal to the setting value of the TRBSC register after
waiting for a given length of time equal to the setting value of the TRBPR register.
Figure 18.5 shows an Operating Example in Programmable Wait One-Shot Generation Mode.
1. The set value is reflected at the following one-shot pulse after writing to registers TRBSC and TRBPR.
Programmable Wait One-Shot Generation Mode
Item
Programmable Wait One-Shot Generation Mode Specifications
Oct 30, 2009
f1, f2, f8, timer RA underflow
• The setting value of the timer RB primary is decremented.
• When a count of the timer RB primary underflows, the timer reloads the contents of
• When a count of the timer RB secondary underflows, the timer reloads the contents
• When the count stops, the timer reloads the content of the reload register before it
(n+1)(m+1)/fi
fi: Frequency of count source
n: Value set in TRBPRE register, m: Value set in TRBPR register
(n+1)(p+1)/fi
fi: Frequency of count source
n: Value set in TRBPRE register, p: Value set in TRBSC register
• The TSTART bit in the TRBCR register is set to 1 (count starts) and the next trigger
• 1 (one-shot starts) is written to the TOSST bit in the TRBOCR register.
• Trigger input to the INT0 pin
• When reloading completes after timer RB underflows during the secondary period.
• 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 timer RB underflows during secondary period
(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, TRBSC, and TRBPR are written while the count is
• When registers TRBPRE, TRBSC, and TRBPR are written during count operation,
• Output level select function
• One-shot trigger select function
timer RB secondary before the count continues.
of timer RB primary before the count completes and the TOSSTF bit is set to 0
(one-shot stops).
stops.
is generated.
disabled): programmable I/O port or INT0 interrupt input
enabled): external trigger (INT0 interrupt input)
stopped, values are written to both the reload register and counter.
values are written to the reload registers 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 .
Specification
(1)
18. Timer RB
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