R5F2L3A7ANFP#U1 Renesas Electronics America, R5F2L3A7ANFP#U1 Datasheet - Page 281
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 244 of 802
Figure 18.2
When the TWRC bit is set to 0 (write to reload register and counter)
When the TWRC bit is set to 1 (write to reload register only)
The above applies under the following condition:
Both the TSTART and TCSTF bits in the TRBCR register are set to 1 (during count operation).
Counter of timer RB
Reloads register of
Reloads register of
Counter of timer RB
timer RB prescaler
timer RB prescaler
Reloads register of
Reloads register of
timer RB prescaler
timer RB prescaler
TRBIC register
TRBIC register
Count source
Count source
Counter of
Write 01h into the TRBPRE register and
25h into the TRBPR register by a program.
Write 01h into the TRBPRE register and
25h into the TRBPR register by a program.
Counter of
timer RB
timer RB
IR bit in
IR bit in
Operation
Operating Example of Timer RB when Counter Value is Rewritten during Count
0
0
Previous value
Previous value
06h
06h
Oct 30, 2009
05h
05h
Previous value
After writing, the reload register is written
with the first count source.
After writing, the reload register is written
with the first count source.
03h
04h
04h
Previous value
01h
03h
03h
Reload with
the second
count source
The IR bit remains unchanged until underflow
is generated by a new value.
02h
00h
After writing, the reload register is written
at the first underflow.
01h
Reload at
underflow
01h
02h
New value (01h)
00h
00h
01h
01h
New value (01h)
Reload at the second
underflow
Only the prescaler values are updated,
extending the duration until timer RB underflows.
Reload at
underflow
New value (25h)
25h
02h
00h
00h
After writing, the reload register is written
at the first underflow.
01h
01h
24h
01h
New value (25h)
00h
00h
01h
00h
00h
01h
18. Timer RB
Reload at
underflow
25h
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