R5F2L3AAANFP#U1 Renesas Electronics America, R5F2L3AAANFP#U1 Datasheet - Page 281

• Manufacturer Part Number: R5F2L3AAANFP#U1
• Description: MCU FLASH 96+4KB 100LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/Lx/3AAr

Specifications of R5F2L3AAANFP#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: 96KB (96K x 8)
• Program Memory Type: FLASH
• Ram Size: 10K 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: 100-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

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