PIC18F4420T-I/PT Microchip Technology, PIC18F4420T-I/PT Datasheet - Page 212

• Manufacturer Part Number: PIC18F4420T-I/PT
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,TQFP,44PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4420T-I/PT

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• 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
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18F2420/2520/4420/4520
FIGURE 18-1:
FIGURE 18-2:
DS39631E-page 210
Note: The ABD sequence requires the EUSART module to be configured in Asynchronous mode and WUE = 0.
BRG Value
BRG Clock
ABDEN bit
(Interrupt)
SPBRGH
RCIF bit
RCREG
ABDOVF bit
SPBRG
BRG Clock
BRG Value
RX pin
ABDEN bit
Read
RX pin
Set by User
XXXXh
XXXXh
AUTOMATIC BAUD RATE CALCULATION
BRG OVERFLOW SEQUENCE
0000h
Start
0000h
Bit 0
XXXXh
XXXXh
Edge #1
Start
Bit 1
Bit 2
Edge #2
Bit 0
Bit 3
Bit 4
Edge #3
Bit 5
Bit 6
Edge #4
© 2008 Microchip Technology Inc.
FFFFh
Bit 7
Stop Bit
Edge #5
Auto-Cleared
0000h
001Ch
1Ch
00h