PIC18F87K90-E/PT Microchip Technology, PIC18F87K90-E/PT Datasheet - Page 399

• Manufacturer Part Number: PIC18F87K90-E/PT
• Description: 128kB Flash, 4kB RAM, 1kB EE, 16MIPS, NanoWatt XLP, LCD, 5V 80 TQFP 12x12x1mm TR
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18F87K90-E/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 64MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 69
• Program Memory Size: 128KB (64K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 24x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 80-TQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

FIGURE 25-2:
TABLE 25-1:
 2009-2011 Microchip Technology Inc.
CVRCON
CM1CON
CM2CON
CM3CON
TRISF
Legend: — = unimplemented, read as ‘ 0 ’. Shaded cells are not used with the comparator voltage reference.
Name
Note 1:
R is dependent upon the Voltage Reference Configuration bits, CVRCON<3:0> and CVRCON<5>.
CVREN
TRISF7
Bit 7
CON
CON
CON
REGISTERS ASSOCIATED WITH COMPARATOR VOLTAGE REFERENCE
CV
Module
COMPARATOR VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
PIC18F87K90
REF
CVROE
TRISF6
Bit 6
COE
COE
COE
Impedance
Reference
Voltage
Output
R
(1)
CVRSS
TRISF5
CPOL
CPOL
CPOL
Bit 5
RF5
EVPOL1
EVPOL1
EVPOL1
TRISF4
CVR4
Bit 4
EVPOL0
EVPOL0
EVPOL0
PIC18F87K90 FAMILY
TRISF3
CVR3
Bit 3
TRISF2
+
–
CVR2
CREF
CREF
CREF
Bit 2
TRISF1
CVR1
CCH1
CCH1
CCH1
Bit 1
CV
REF
Output
CCH0
CCH0
CCH0
CVR0
Bit 0
—
DS39957D-page 399
Values on
Reset
Page:
77
80
81
81
78