PIC18F4450-I/PT Microchip Technology, PIC18F4450-I/PT Datasheet - Page 37
PIC18F4450-I/PT
Manufacturer Part Number
PIC18F4450-I/PT
Description
IC PIC MCU FLASH 8KX16 44TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F2221-ISO.pdf
(46 pages)
2.PIC18F2450-ISO.pdf
(324 pages)
3.PIC18F2450-ISO.pdf
(6 pages)
4.PIC18F2450-ISO.pdf
(8 pages)
5.PIC18F2450-ISO.pdf
(4 pages)
6.PIC18F2450-ISO.pdf
(4 pages)
7.PIC18F4450-IP.pdf
(322 pages)
Specifications of PIC18F4450-I/PT
Program Memory Type
FLASH
Program Memory Size
16KB (8K x 16)
Package / Case
44-TQFP, 44-VQFP
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
UART/USART, USB
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
34
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
EUSART/USB
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
34
Number Of Timers
3
Operating Supply Voltage
2 V to 5.5 V
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, DM163025, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
13-ch x 10-bit
Height
1 mm
Length
10 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2 V
Width
10 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DM163025 - PIC DEM FULL SPEED USB DEMO BRD444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F4450-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC18F2221-ISO PDF datasheet
- PIC18F2450-ISO PDF datasheet #2
- PIC18F2450-ISO PDF datasheet #3
- PIC18F2450-ISO PDF datasheet #4
- PIC18F2450-ISO PDF datasheet #5
- PIC18F2450-ISO PDF datasheet #6
- PIC18F4450-IP PDF datasheet #7
- Current page: 37 of 324
- Download datasheet (6Mb)
On transitions from SEC_RUN mode to PRI_RUN
mode, the peripherals and CPU continue to be clocked
from the Timer1 oscillator while the primary clock is
started. When the primary clock becomes ready, a
clock switch back to the primary clock occurs (see
FIGURE 3-1:
FIGURE 3-2:
© 2008 Microchip Technology Inc.
Note 1:
Peripheral
Program
Counter
T1OSI
OSC1
Clock
Clock
Note 1:
CPU
CPU Clock
PLL Clock
Peripheral
Program
Counter
Output
T1OSI
OSC1
Clock
Clock transition typically occurs within 2-4 T
2:
SCS1:SCS0 bits Changed
Q1
T
Clock transition typically occurs within 2-4 T
OST
TRANSITION TIMING FOR ENTRY TO SEC_RUN MODE
TRANSITION TIMING FROM SEC_RUN MODE TO PRI_RUN MODE (HSPLL)
Q2
= 1024 T
PC
Q3
Q4
OSC
Q1
Q1
; T
T
PLL
OST
1
= 2 ms (approx). These intervals are not shown to scale.
(1)
PC
Q2
2
Clock Transition
T
3
PLL (1)
OSTS bit Set
Q3
OSC
.
OSC
Q4
.
PC + 2
n-1
(1)
Figure 3-2). When the clock switch is complete, the
T1RUN bit is cleared, the OSTS bit is set and the
primary clock is providing the clock. The IDLEN and
SCS bits are not affected by the wake-up; the Timer1
oscillator continues to run.
Q1
1
n
Transition
2
Clock
(2)
PIC18F2450/4450
n-1 n
PC + 2
Q2
Q3
Q2
Q4
Q3 Q4
Q1
Q1
PC + 4
Q2
Q2
PC + 4
DS39760D-page 35
Q3
Q3
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