PIC18F2550-I/SP Microchip Technology, PIC18F2550-I/SP Datasheet - Page 250

• Manufacturer Part Number: PIC18F2550-I/SP
• Description: IC PIC MCU FLASH 16KX16 28DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2550-I/SP

• Program Memory Type: FLASH
• Program Memory Size: 32KB (16K x 16)
• Package / Case: 28-DIP (0.300", 7.62mm)
• 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: 24
• Eeprom Size: 256 x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 1536 B
• Interface Type: SPI, I2C, EAUSART
• Maximum Clock Frequency: 48 MHz
• Number Of Programmable I/os: 24
• 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, DM163025, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 10 Channel
• Package: 28SPDIP
• 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 BRDDVA18XP280 - DEVICE ADAPTER 18F2220 PDIP 28LD
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC18F2455/2550/4455/4550
FIGURE 20-3:
FIGURE 20-4:
FIGURE 20-5:
DS39632C-page 248
Note: This timing diagram shows two consecutive transmissions.
(Interrupt Reg. Flag)
Reg. Empty Flag)
Reg. Empty Flag)
Write to TXREG
(Transmit Buffer
Reg. Empty Flag)
(Transmit Shift
Write to TXREG
(Transmit Shift
BRG Output
(Shift Clock)
BRG Output
(Shift Clock)
TRMT bit
TX (pin)
TXIF bit
TRMT bit
BRG16
TX (pin)
TXIF bit
TXIE
Interrupt
1 T
EUSART TRANSMIT BLOCK DIAGRAM
ASYNCHRONOUS TRANSMISSION, TXCKP = 0 (TX NOT INVERTED)
ASYNCHRONOUS TRANSMISSION (BACK TO BACK),
TXCKP = 0 (TX NOT INVERTED)
SPBRGH
Baud Rate Generator
CY
TXIF
TXEN
Word 1
Transmit Shift Reg
Transmit Shift Reg.
Word 1
Word 1
Word 1
Baud Rate CLK
1 T
SPBRG
CY
Start bit
Start bit
Word 2
MSb
(8)
1 T
CY
bit 0
bit 0
Preliminary
TXREG Register
TSR Register
TX9D
bit 1
TX9
8
Data Bus
Word 1
bit 1
Word 1
LSb
0
TRMT
bit 7/8
bit 7/8
and Control
Pin Buffer
TXCKP
Word 2
Transmit Shift Reg.
Stop bit
© 2006 Microchip Technology Inc.
SPEN
Stop bit
Start bit
Word 2
TX pin
bit 0