PIC18F4455-I/ML Microchip Technology, PIC18F4455-I/ML Datasheet - Page 195

• Manufacturer Part Number: PIC18F4455-I/ML
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LLCC,44PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4455-I/ML

• Rohs Compliant: YES
• 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
• Program Memory Size: 24KB (12K x 16)
• Program Memory Type: FLASH
• 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
• Package / Case: 44-QFN
• 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, DM163025
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 13 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT44QFN2 - SOCKET TRAN ICE 44QFN/40DIPAC164322 - MODULE SOCKET MPLAB PM3 28/44QFNI3-DB18F4550 - BOARD DAUGHTER ICEPIC3DM163025 - PIC DEM FULL SPEED USB DEMO BRD444-1001 - DEMO BOARD FOR PICMICRO MCU
• Lead Free Status / Rohs Status: Details

FIGURE 18-2:
FIGURE 18-3:
FIGURE 18-4:
© 2009 Microchip Technology Inc.
USB Clock
SPP<7:0>
USB Clock
SPP<7:0>
SPP<7:0>
CK1SPP
CK2SPP
CK1SPP
CK2SPP
CK1SPP
CK2SPP
OESPP
CSSPP
F
OESPP
CSSPP
OESPP
CSSPP
OSC
/4
MOVWF SPPEPS
Write Address
TIMING FOR MICROCONTROLLER WRITE ADDRESS, WRITE DATA AND
READ DATA (NO WAIT STATES)
TIMING FOR USB WRITE ADDRESS AND DATA (4 WAIT STATES)
TIMING FOR USB WRITE ADDRESS AND READ DATA (4 WAIT STATES)
2 Wait States
2 Wait States
Write Address
Write Address
ADDR
2 Wait States
2 Wait States
PIC18F2455/2550/4455/4550
MOVWF SPPDATA
Write Data
DATA
2 Wait States
2 Wait States
Read Data
Write Data
MOVF SPPDATA, W
Read Data
2 Wait States
2 Wait States
DATA
DS39632E-page 193