PIC18F27J53-I/SP Microchip Technology, PIC18F27J53-I/SP Datasheet - Page 415

• Manufacturer Part Number: PIC18F27J53-I/SP
• Description: IC PIC MCU 128KB FLASH 28SPDIP
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18F27J53-I/SP

• Program Memory Type: FLASH
• Program Memory Size: 128KB (64K x 16)
• Package / Case: *
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: I²C, LIN, SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Ram Size: 3.8K x 8
• Voltage - Supply (vcc/vdd): 2.15 V ~ 3.6 V
• Data Converters: A/D 10x10b/12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 3.8 KB
• Interface Type: I2C, SPI, USART
• Maximum Clock Frequency: 48 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 8
• Operating Supply Voltage: 2.15 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• Controller Family/series: PIC18
• Cpu Speed: 48MHz
• Embedded Interface Type: I2C, SPI, USART
• Digital Ic Case Style: DIP
• Supply Voltage Range: 1.8V To 5.5V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

25.0
The comparator voltage reference is a 16-tap resistor
ladder network that provides a selectable reference
voltage. Although its primary purpose is to provide a
reference for the analog comparators, it may also be
used independently of them.
FIGURE 25-1:
 2010 Microchip Technology Inc.
COMPARATOR VOLTAGE
REFERENCE MODULE
CVRR
V
V
CVREN
V
REF
REF
DD
COMPARATOR VOLTAGE REFERENCE BLOCK DIAGRAM
+
-
CVRSS = 0
CVRSS = 1
CVRSS = 1
CVRSS = 0
16 Steps
8R
R
R
R
R
R
R
R
PIC18F47J53 FAMILY
Figure 25-1 provides a block diagram of the module.
The resistor ladder is segmented to provide two ranges
of CV
conserve power when the reference is not being used.
The module’s supply reference can be provided from
either device V
8R
REF
values and has a power-down function to
CVR<3:0>
DD
/V
SS
or an external voltage reference.
CV
REF
DS39964B-page 415