PIC18LF4539T-I/ML Microchip Technology, PIC18LF4539T-I/ML Datasheet - Page 21
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PIC18LF4539T-I/ML
Manufacturer Part Number
PIC18LF4539T-I/ML
Description
IC MCU FLASH 12KX16 EE A/D 44QFN
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16LF627A-IP.pdf
(8 pages)
2.PIC18F2439-ISO.pdf
(322 pages)
3.PIC18F2439-ISO.pdf
(6 pages)
Specifications of PIC18LF4539T-I/ML
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
24KB (12K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
1408 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-QFN
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1408 B
Interface Type
I2C, SPI, AUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
32
Number Of Timers
16 bit
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
DV164005, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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2.0
2.1
The PIC18FXX39 can be operated in four different
Oscillator modes at a frequency of 20 MHz. The user
can program three configuration bits (FOSC2, FOSC1,
and FOSC0) to select one of these four modes:
1.
2.
3.
4.
2.2
In HS or HS+PLL Oscillator modes, a crystal or ceramic
resonator is connected to the OSC1 and OSC2 pins to
establish
connections.
The PIC18FXX39 oscillator design requires the use of
a parallel cut crystal.
2002 Microchip Technology Inc.
Note:
Note:
HS
HS + PLL
EC
ECIO
OSCILLATOR
CONFIGURATIONS
Oscillator Types
Crystal Oscillator/Ceramic
Resonators
The operation of the Motor Control kernel
and its APIs (Section 14.0) is based on an
assumed clock frequency of 20 MHz.
Changing the oscillator frequency will
change the timing used in the Motor Con-
trol kernel accordingly. To achieve the best
results in motor control applications, a
clock frequency of 20 MHz is highly
recommended.
oscillation.
Use of a series cut crystal may give a fre-
quency out of the crystal manufacturers
specifications.
with PLL enabled using 5 MHz
crystal
enabled
High Speed Crystal/Resonator
High Speed Crystal/Resonator
External Clock
External
Figure 2-1
Clock
with
shows
I/O
the
pin
Preliminary
pin
FIGURE 2-1:
An external clock source may also be connected to the
OSC1 pin in the HS mode, as shown in Figure 2-2.
FIGURE 2-2:
Clock from
Ext. System
Note 1: Higher capacitance increases the stability
Note 1: See Table 2-1 for recommended values of
C1
C2
2: Since each resonator/crystal has its own
(1)
(1)
2: A series resistor (R
3: R
of the oscillator, but also increases the
start-up time.
characteristics, the user should consult the
resonator/crystal manufacturer for appro-
priate values of external components, or
verify oscillator performance.
C1 and C2.
AT strip cut crystals.
XTAL
R
Open
F
S (2)
varies with the Oscillator mode chosen.
OSC2
OSC1
PIC18FXX39
CRYSTAL/CERAMIC
RESONATOR OPERATION
(HS CONFIGURATION)
EXTERNAL CLOCK INPUT
OPERATION (HS OSC
CONFIGURATION)
OSC1
OSC2
R
S
F
) may be required for
(3)
PIC18FXX39
DS30485A-page 19
PIC18FXX39
SLEEP
To
Internal
Logic
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