R5F2L387ANFP#U1 Renesas Electronics America, R5F2L387ANFP#U1 Datasheet - Page 692
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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Manufacturer
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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 655 of 802
31. Comparator B
Comparator B compares a reference input voltage and an analog input voltage. Comparator B1 and comparator B3 are
independent of each other.
31.1
Figure 31.1
Table 31.1
i = 1 or 3
Analog input voltage
Reference input voltage
Comparison result
Interrupt request
generation timing
Selectable function
The comparison result of the reference input voltage and analog input voltage can be read by software. An input to
the IVREFi (i = 1 or 3) pin can be used as the reference input voltage.
Table 31.1 lists the Comparator B Specifications, Figure 31.1 shows the Comparator B Block Diagram, and Table
31.2 lists the I/O Pins.
IVCMP3
IVCMP1
IVREF3
IVREF1
INT3
INT1
Introduction
Item
INT1CP0, INT1COUT, INT3CP0, INT3COUT: Bits in INTCMP register
INT1EN, INT1PL, INT3EN, INT3PL: Bits in INTEN register
INT1F0, INT1F1, INT3F0, INT3F1: Bits in INTF register
Comparator B Specifications
Comparator B Block Diagram
+
+
-
-
f32
f32
Input voltage to the IVCMPi pin
Input voltage to the IVREFi pin
Read from the INTiCOUT bit in the INTCMP register
When the comparison result changes.
• Digital filter function
Oct 30, 2009
f1
f8
f1
f8
Whether the digital filter is applied or not and the sampling frequency can
be selected.
= 01b
= 10b
= 11b
INT3F1 to INT3F0
INT1F1 to INT1F0
=01b
=10b
=11b
INT3CP0 = 0
INT3CP0 = 1
INT1CP0 = 1
INT1CP0 = 0
Monitor flag
Monitor flag
Sampling clock
Sampling clock
Digital filter
Digital filter
(matches
(matches
3 times)
3 times)
INT1F1 to INT1F0
= other than 00b
INT3F1 to INT3F0
= other than 00b
= 00b
= 00b
Specification
Both edge
Both edge
detection
detection
circuit
circuit
INT3PL = 0
INT1PL = 0
INT3EN
INT1EN
INT3PL = 1
INT1PL = 1
To INT3 interrupt
To INT1 interrupt
31. Comparator B
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