PIC18F67K90-E/PT Microchip Technology, PIC18F67K90-E/PT Datasheet - Page 47
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PIC18F67K90-E/PT
Manufacturer Part Number
PIC18F67K90-E/PT
Description
128kB Flash, 4kB RAM, 1kB EE, NanoWatt XLP, LCD 64 TQFP 10x10x1mm TRAY
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheet
1.PIC18F66K90-IMR.pdf
(570 pages)
Specifications of PIC18F67K90-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
53
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 16x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
64-TQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F67K90-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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TABLE 3-2:
TABLE 3-3:
2009-2011 Microchip Technology Inc.
Capacitor values are for design guidance only.
Different capacitor values may be required to produce
acceptable oscillator operation. The user should test
the performance of the oscillator over the expected
V
to the following application notes for oscillator-specific
information:
• AN588, “PIC
• AN826, “Crystal Oscillator Basics and Crystal
• AN849, “Basic PIC
• AN943, “Practical PIC
• AN949, “Making Your Oscillator Work”
See the notes following
information.
Capacitor values are for design guidance only.
Different capacitor values may be required to produce
acceptable oscillator operation. The user should test
the performance of the oscillator over the expected
V
Refer to the Microchip application notes cited in
Table 3-2
the
information.
Osc Type
DD
DD
Mode
Guide”
Selection for rfPIC
Design”
HS
HS
and temperature range for the application. Refer
and temperature range for the application.
notes
Typical Capacitor Values Used:
for oscillator-specific information. Also see
16.0 MHz
8.0 MHz
following
20 MHz
Crystal
4 MHz
8 MHz
Freq.
®
Freq.
Microcontroller Oscillator Design
CAPACITOR SELECTION FOR
CERAMIC RESONATORS
CAPACITOR SELECTION FOR
CRYSTAL OSCILLATOR
®
®
and PIC
Oscillator Design”
®
this
Oscillator Analysis and
Typical Capacitor Values
Table 3-3
OSC1
27 pF
22 pF
15 pF
27 pF
22 pF
®
C1
table
Devices”
Tested:
for
for additional
additional
27 pF
22 pF
15 pF
OSC2
27 pF
22 pF
C2
PIC18F87K90 FAMILY
FIGURE 3-2:
3.5
For timing-insensitive applications, the RC and RCIO
Oscillator modes offer additional cost savings. The
actual oscillator frequency is a function of several
factors:
• Supply voltage
• Values of the external resistor (R
• Operating temperature – Given the same device,
Note 1: See
capacitor (C
operating voltage and temperature and
component values, there will also be unit-to-unit
frequency variations. These are due to factors,
such as:
- Normal manufacturing variation
- Difference in lead frame capacitance
- Variations within the tolerance of limits of
Note 1: Higher capacitance increases the stability
between package types (especially for low
C
R
EXT
EXT
C1
C2
2: A series resistor (R
3: R
2: Since each resonator/crystal has its
3: Rs may be required to avoid overdriving
4: Always verify oscillator performance over
RC Oscillator
(1)
(1)
values)
and C
C1 and C2.
strip cut crystals.
of the oscillator but also increases the
start-up time.
own characteristics, the user should
consult the resonator/crystal manufac-
turer for appropriate values of external
components.
crystals with low drive level specification.
the V
expected for the application.
F
EXT
XTAL
varies with the oscillator mode chosen.
Table 3-2
EXT
R
)
DD
S (2)
OSC1
OSC2
and temperature range that is
CRYSTAL/CERAMIC
RESONATOR OPERATION
(HS OR HSPLL
CONFIGURATION)
and
Table 3-3
S
) may be required for AT
R
F
PIC18F87K90
(3)
EXT
DS39957D-page 47
for initial values of
) and
Sleep
To
Internal
Logic
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