PIC18F4550-I/PT Microchip Technology, PIC18F4550-I/PT Datasheet - Page 179
![IC PIC MCU FLASH 16KX16 44TQFP](/photos/6/82/68251/c04-076_pt_sml.jpg)
PIC18F4550-I/PT
Manufacturer Part Number
PIC18F4550-I/PT
Description
IC PIC MCU FLASH 16KX16 44TQFP
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)
Specifications of PIC18F4550-I/PT
Program Memory Type
FLASH
Program Memory Size
32KB (16K x 16)
Package / Case
44-TQFP, 44-VQFP
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
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, DM163022
Minimum Operating Temperature
- 40 C
On-chip Adc
13-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
GPIODM-KPLCD - BOARD DEMO LCD GPIO EXP KEYPADXLT44PT3 - SOCKET TRAN ICE 44MQFP/TQFPI3-DB18F4550 - BOARD DAUGHTER ICEPIC3DM163025 - PIC DEM FULL SPEED USB DEMO BRDAC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
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Manufacturer:
MURATA
Quantity:
12 000
Company:
Part Number:
PIC18F4550-I/PT
Manufacturer:
Microchip Technology
Quantity:
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Quantity:
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Part Number:
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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
- Current page: 179 of 430
- Download datasheet (8Mb)
17.5
The USB module can generate multiple interrupt con-
ditions. To accommodate all of these interrupt sources,
the module is provided with its own interrupt logic
structure, similar to that of the microcontroller. USB
interrupts are enabled with one set of control registers
and trapped with a separate set of flag registers. All
sources are funneled into a single USB interrupt
request, USBIF (PIR2<5>), in the microcontroller’s
interrupt logic.
FIGURE 17-8:
FIGURE 17-9:
© 2006 Microchip Technology Inc.
Note
Differential Data
USB Interrupts
1:
The control transfer shown here is only an example showing events that can occur for every transaction. Typical control transfers
will spread across multiple frames.
USB Reset
URSTIF
RESET
UEIR (Flag) and UEIE (Enable) Registers
CRC5EF
CRC5EE
BTOEF
BTOEE
BTSEF
BTSEE
START-OF-FRAME
Second Level USB Interrupts
PIDEE
PIDEF
CRC16EE
CRC16EF
USB INTERRUPT LOGIC FUNNEL
EXAMPLE OF A USB TRANSACTION AND INTERRUPT EVENTS
DFN8EF
DFN8EE
(USB Error Conditions)
SOFIF
SOF
SETUP
PIC18F2455/2550/4455/4550
DATA
Preliminary
STATUS
Figure 17-8 shows the interrupt logic for the USB
module. There are two layers of interrupt registers in
the USB module. The top level consists of overall USB
status interrupts; these are enabled and flagged in the
UIE and UIR registers, respectively. The second level
consists of USB error conditions, which are enabled
and flagged in the UEIR and UEIE registers. An
interrupt condition in any of these triggers a USB Error
Interrupt Flag (UERRIF) in the top level.
Interrupts may be used to trap routine events in a USB
transaction. Figure 17-9 shows some common events
within a USB frame and their corresponding interrupts.
SETUPToken
STALLIE
STALLIF
UERRIE
UERRIF
ACTVIE
OUT Token
ACTVIF
URSTIF
URSTIE
Control Transfer
IDLEIE
From Host
IN Token
IDLEIF
From Host
SOFIE
TRNIE
From Host
SOFIF
TRNIF
UIR (Flag) and UIE (Enable) Registers
Top Level USB Interrupts
(USB Status Interrupts)
Empty Data
Transaction
From Host
From Host
To Host
(1)
Data
Data
From Host
To Host
To Host
ACK
ACK
ACK
SOF
1 ms Frame
USBIF
DS39632C-page 177
Transaction
Set TRNIF
Set TRNIF
Set TRNIF
Complete
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