PIC18F45K20-I/P Microchip Technology, PIC18F45K20-I/P Datasheet - Page 35
![IC PIC MCU FLASH 16KX16 40DIP](/photos/6/61/66192/150-40-dip_sml.jpg)
PIC18F45K20-I/P
Manufacturer Part Number
PIC18F45K20-I/P
Description
IC PIC MCU FLASH 16KX16 40DIP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.PIC18F25K20T-ISS.pdf
(42 pages)
2.PIC18F25K20T-ISS.pdf
(12 pages)
3.PIC18F25K20T-ISS.pdf
(14 pages)
4.PIC18F25K20T-ISS.pdf
(456 pages)
5.PIC18F45K20-IPT.pdf
(78 pages)
6.PIC18F26K20-ISO.pdf
(430 pages)
Specifications of PIC18F45K20-I/P
Program Memory Type
FLASH
Program Memory Size
32KB (16K x 16)
Package / Case
40-DIP (0.600", 15.24mm)
Core Processor
PIC
Core Size
8-Bit
Speed
64MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
35
Eeprom Size
256 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 14x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1.5 KB
Interface Type
CCP/ECCP/EUSART/I2C/MSSP/SPI
Maximum Clock Frequency
64 MHz
Number Of Programmable I/os
36
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
14-ch x 10-bit
Package
40PDIP
Device Core
PIC
Family Name
PIC18
Maximum Speed
64 MHz
Operating Supply Voltage
2.5|3.3 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DM240313 - BOARD DEMO 8BIT XLPAC164112 - VOLTAGE LIMITER MPLAB ICD2 VPPDM164124 - KIT STARTER FOR PIC18F4XK20
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Price
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20 000
- PIC18F25K20T-ISS PDF datasheet
- PIC18F25K20T-ISS PDF datasheet #2
- PIC18F25K20T-ISS PDF datasheet #3
- PIC18F25K20T-ISS PDF datasheet #4
- PIC18F45K20-IPT PDF datasheet #5
- PIC18F26K20-ISO PDF datasheet #6
- Current page: 35 of 430
- Download datasheet (7Mb)
2.6
A Phase Locked Loop (PLL) circuit is provided as an
option for users who wish to use a lower frequency
oscillator circuit or to clock the device up to its highest
rated frequency from the crystal oscillator. This may be
useful for customers who are concerned with EMI due
to high-frequency crystals or users who require higher
clock speeds from an internal oscillator. There are
three conditions when the PLL can be used:
• When the primary clock is HSPLL
• When the primary clock is HFINTOSC and the
• When the primary clock is HFINTOSC and the
2.6.1
The HSPLL mode makes use of the HS mode oscillator
for frequencies up to 16 MHz. A PLL then multiplies the
oscillator output frequency by 4 to produce an internal
clock frequency up to 64 MHz. The PLLEN bit of the
OSCTUNE register is active only when the HFINTOSC
is the primary clock and is not available in HSPLL oscil-
lator mode.
The PLL is only available to the primary oscillator when
the FOSC<3:0> Configuration bits are programmed for
HSPLL mode (= 0110).
FIGURE 2-6:
© 2008 Microchip Technology Inc.
selected frequency is 16 MHz
selected frequency is 8 MHz
OSC2
OSC1
PLL Frequency Multiplier
(from Configuration Register 1H)
HS Oscillator Enable
HS Mode
HSPLL OSCILLATOR MODE
Crystal
Osc
PLL Enable
F
F
IN
OUT
÷4
PLL BLOCK DIAGRAM
(HS MODE)
Comparator
Loop
Filter
Phase
VCO
SYSCLK
Preliminary
2.6.2
The 4x frequency multiplier can be used with the inter-
nal oscillator block to produce faster device clock
speeds than are normally possible with an internal
oscillator. When enabled, the PLL produces a clock
speed of up to 64 MHz.
Unlike HSPLL mode, the PLL is controlled through
software. The PLLEN control bit of the OSCTUNE
register is used to enable or disable the PLL operation
when the HFINTOSC is used.
The PLL is available when the device is configured to
use the internal oscillator block as its primary clock
source (FOSC<3:0> = 1001 or 1000). Additionally, the
PLL will only function when the selected output fre-
quency is either 8 MHz or 16 MHz (OSCCON<6:4> =
111 or 110). If both of these conditions are not met, the
PLL is disabled.
The PLLEN control bit is only functional in those inter-
nal oscillator modes where the PLL is available. In all
other modes, it is forced to ‘0’ and is effectively
unavailable.
PIC18F2XK20/4XK20
PLL IN HFINTOSC MODES
DS41303D-page 33
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