PIC18F2455-I/SP Microchip Technology Inc., PIC18F2455-I/SP Datasheet - Page 163

• Manufacturer Part Number: PIC18F2455-I/SP
• Description: Microcontroller; 24 KB Flash; 2048 RAM; 256 EEPROM; 24 I/O; 28-Pin-SPDIP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F2455-I/SP

• A/d Inputs: 10-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 12 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 23
• Interface: I2C/SPI/USART/USB
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin SPDIP
• Programmable Memory: 24K Bytes
• Ram Size: 2K Bytes
• Speed: 48 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

FIGURE 15-1:
FIGURE 15-2:
© 2006 Microchip Technology Inc.
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
SPBRG
ABDOVF bit
RX pin
BRG Clock
BRG Value
ABDEN bit
Read
RX pin
Set by User
XXXXh
XXXXh
AUTOMATIC BAUD RATE CALCULATION
BRG OVERFLOW SEQUENCE
0000h
Start
0000h
Advance Information
bit 0
XXXXh
XXXXh
Edge #1
bit 1
Start
bit 2
Edge #2
bit 0
bit 3
PIC18F2450/4450
bit 4
Edge #3
bit 5
bit 6
Edge #4
bit 7
FFFFh
Stop bit
DS39760A-page 161
Edge #5
Auto-Cleared
0000h
001Ch
1Ch
00h