PIC18LF6680-I/L Microchip Technology, PIC18LF6680-I/L Datasheet - Page 27
![IC, 8BIT MCU, PIC18LF, 40MHZ, PLCC-64](/photos/12/13/121323/c04-049_l_sml.jpg)
PIC18LF6680-I/L
Manufacturer Part Number
PIC18LF6680-I/L
Description
IC, 8BIT MCU, PIC18LF, 40MHZ, PLCC-64
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PCM18XK1.pdf
(496 pages)
3.PIC18F6585-IPT.pdf
(8 pages)
4.PIC18F6585-IPT.pdf
(38 pages)
5.PIC18F6585-IPT.pdf
(14 pages)
Specifications of PIC18LF6680-I/L
Controller Family/series
PIC18
No. Of I/o's
53
Eeprom Memory Size
1024Byte
Ram Memory Size
3328Byte
Cpu Speed
40MHz
No. Of Timers
4
Core Size
8 Bit
Program Memory Size
32768 Words
Core Processor
PIC
Speed
40MHz
Connectivity
CAN, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
52
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.25K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
68-PLCC
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3328 B
Interface Type
I2C, SPI, AUSART, CAN
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
53
Number Of Timers
8
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
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18LF6680-I/L
Manufacturer:
MICROCHIP
Quantity:
3 000
- PIC16F616T-ISL PDF datasheet
- PCM18XK1 PDF datasheet #2
- PIC18F6585-IPT PDF datasheet #3
- PIC18F6585-IPT PDF datasheet #4
- PIC18F6585-IPT PDF datasheet #5
- Current page: 27 of 496
- Download datasheet (9Mb)
2.4
The EC, ECIO, EC+PLL and EC+SPLL Oscillator
modes require an external clock source to be con-
nected to the OSC1 pin. The feedback device between
OSC1 and OSC2 is turned off in these modes to save
current. There is a maximum 1.5 s start-up required
after a Power-on Reset, or wake-up from Sleep mode.
In the EC Oscillator mode, the oscillator frequency
divided by 4 is available on the OSC2 pin. This signal
may be used for test purposes or to synchronize other
logic. Figure 2-4 shows the pin connections for the EC
Oscillator mode.
FIGURE 2-4:
The ECIO Oscillator mode functions like the EC mode,
except that the OSC2 pin becomes an additional gen-
eral purpose I/O pin. The I/O pin becomes bit 6 of
PORTA (RA6). Figure 2-5 shows the pin connections
for the ECIO Oscillator mode.
FIGURE 2-5:
FIGURE 2-6:
2004 Microchip Technology Inc.
Clock from
Ext. System
Clock from
Ext. System
External Clock Input
F
RA6
OSC
PLL Enable
/4
EXTERNAL CLOCK INPUT
OPERATION
(EC CONFIGURATION)
EXTERNAL CLOCK INPUT
OPERATION
(ECIO CONFIGURATION)
PLL BLOCK DIAGRAM
F
IN
OSC1
OSC2
OSC1
I/O (OSC2)
Comparator
F
OUT
PIC18FXX80/XX85
Phase
PIC18FXX80/XX85
PIC18F6585/8585/6680/8680
Loop
Filter
Divide by 4
2.5
A Phase Locked Loop circuit is provided as a
programmable option for users that want to multiply the
frequency of the incoming oscillator signal by 4. For an
input clock frequency of 10 MHz, the internal clock
frequency will be multiplied to 40 MHz. This is useful for
customers who are concerned with EMI due to
high-frequency crystals.
The PLL can only be enabled when the oscillator config-
uration bits are programmed for High-Speed Oscillator
or External Clock mode. If they are programmed for any
other mode, the PLL is not enabled and the system clock
will come directly from OSC1. There are two types of
PLL modes: Software Controlled PLL and Configuration
bits Controlled PLL. In Software Controlled PLL mode,
PIC18F6585/8585/6680/8680 executes at regular clock
frequency after all Reset conditions. During execution,
application can enable PLL and switch to 4x clock
frequency operation by setting the PLLEN bit in the
OSCCON register. In Configuration bits Controlled PLL
mode, PIC18F6585/8585/6680/8680 always executes
with 4x clock frequency.
The type of PLL is selected by programming the
FOSC<3:0> configuration bits in the CONFIG1H
Configuration register. The oscillator mode is specified
during device programming.
A PLL lock timer is used to ensure that the PLL has
locked before device execution starts. The PLL lock
timer has a time-out that is called T
VCO
Phase Locked Loop (PLL)
SYSCLK
PLL
DS30491C-page 25
.
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