PIC18F4455-I/P Microchip Technology, PIC18F4455-I/P Datasheet - Page 184
PIC18F4455-I/P
Manufacturer Part Number
PIC18F4455-I/P
Description
IC PIC MCU FLASH 12KX16 40DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PCM18XR1.pdf
(438 pages)
3.PIC18F2221-ISO.pdf
(46 pages)
4.PIC18F2455-ISO.pdf
(14 pages)
5.PIC18F2455-ISO.pdf
(8 pages)
6.PIC18F2455-ISO.pdf
(26 pages)
7.PIC18F4550-IP.pdf
(430 pages)
8.PIC18LF2455-ISO.pdf
(430 pages)
Specifications of PIC18F4455-I/P
Program Memory Type
FLASH
Program Memory Size
24KB (12K x 16)
Package / Case
40-DIP (0.600", 15.24mm)
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
35
Eeprom Size
256 x 8
Ram Size
2K 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
2 KB
Interface Type
SPI/I2C/EAUSART
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
35
Number Of Timers
4
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, ICE2000, ICE4000, DV164136, DM163025
Minimum Operating Temperature
- 40 C
On-chip Adc
13-ch x 10-bit
Package
40PDIP
Device Core
PIC
Family Name
PIC18
Maximum Speed
48 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
I3-DB18F4550 - BOARD DAUGHTER ICEPIC3DM163025 - PIC DEM FULL SPEED USB DEMO BRDDVA18XP400 - DEVICE ADAPTER 18F4220 PDIP 40LD444-1001 - DEMO BOARD FOR PICMICRO MCUACICE0206 - ADAPTER MPLABICE 40P 600 MIL
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18F4455-I/P
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Company:
Part Number:
PIC18F4455-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18F4455-I/PT
Manufacturer:
MICROCH
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PCM18XR1 PDF datasheet #2
- PIC18F2221-ISO PDF datasheet #3
- PIC18F2455-ISO PDF datasheet #4
- PIC18F2455-ISO PDF datasheet #5
- PIC18F2455-ISO PDF datasheet #6
- PIC18F4550-IP PDF datasheet #7
- PIC18LF2455-ISO PDF datasheet #8
- Current page: 184 of 438
- Download datasheet (7Mb)
PIC18F2455/2550/4455/4550
17.5.1.1
The ACTVIF bit cannot be cleared immediately after
the USB module wakes up from Suspend or while the
USB module is suspended. A few clock cycles are
required to synchronize the internal hardware state
machine before the ACTVIF bit can be cleared by
firmware. Clearing the ACTVIF bit before the internal
hardware is synchronized may not have an effect on
the value of ACTVIF. Additionally, if the USB module
uses the clock from the 96 MHz PLL source, then after
clearing the SUSPND bit, the USB module may not be
EXAMPLE 17-1:
DS39632E-page 182
Assembly:
BCF
Loop:
BCF
BTFSC UIR, ACTVIF
BRA
Done:
C:
UCONbits.SUSPND = 0;
while (UIRbits.ACTVIF) { UIRbits.ACTVIF = 0; }
UCON, SUSPND
UIR, ACTVIF
Loop
Bus Activity Detect Interrupt Bit
(ACTVIF)
CLEARING ACTVIF BIT (UIR<2>)
immediately operational while waiting for the 96 MHz
PLL to lock. The application code should clear the
ACTVIF flag as shown in Example 17-1.
Note:
Only one ACTVIF interrupt is generated
when resuming from the USB bus Idle
condition. If user firmware clears the
ACTVIF bit, the bit will not immediately
become set again, even when there is
continuous bus traffic. Bus traffic must
cease long enough to generate another
IDLEIF condition before another ACTVIF
interrupt can be generated.
© 2009 Microchip Technology Inc.
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