PIC18F6490-E/PT Microchip Technology, PIC18F6490-E/PT Datasheet - Page 225

• Manufacturer Part Number: PIC18F6490-E/PT
• Description: IC PIC MCU FLASH 16KX16 64TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F6490-E/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, LCD, POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 64-TFQFP
• For Use With: DM163028 - BOARD DEMO PICDEM LCD
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

FIGURE 17-2:
FIGURE 17-3:
TABLE 17-4:
© 2007 Microchip Technology Inc.
INTCON
PIR3
PIE3
IPR3
RCSTA2
TXREG2
TXSTA2
SPBRG2
Legend: — = unimplemented locations read as ‘0’. Shaded cells are not used for asynchronous transmission.
Note: This timing diagram shows two consecutive transmissions.
(Interrupt Reg. Flag)
Reg. Empty Flag)
Reg. Empty Flag)
Write to TXREG2
(Transmit Buffer
Name
Reg. Empty Flag)
Write to TXREG2
(Transmit Shift
(Transmit Shift
BRG Output
(Shift Clock)
BRG Output
(Shift Clock)
TX2 (pin)
TX2IF bit
TRMT bit
TX2 (pin)
TRMT bit
TX2IF bit
AUSART2 Transmit Register
AUSART2 Baud Rate Generator Register
GIE/GIEH PEIE/GIEL TMR0IE
CSRC
SPEN
Bit 7
REGISTERS ASSOCIATED WITH ASYNCHRONOUS TRANSMISSION
—
—
—
1 T
ASYNCHRONOUS TRANSMISSION
ASYNCHRONOUS TRANSMISSION (BACK-TO-BACK)
CY
Word 1
Transmit Shift Reg
Transmit Shift Reg.
Word 1
Word 1
Word 1
LCDIE
LCDIP
LCDIF
Bit 6
RX9
TX9
1 T
CY
Start bit
Start bit
Word 2
RC2IE
RC2IP
RC2IF
SREN
TXEN
Bit 5
1 T
PIC18F6390/6490/8390/8490
CY
bit 0
bit 0
INT0IE
CREN
TX2IF
TX2IE
TX2IP
SYNC
Bit 4
bit 1
Word 1
bit 1
Word 1
ADDEN
RBIE
Bit 3
—
—
—
—
TMR0IF
BRGH
FERR
Bit 2
—
—
—
bit 7/8
bit 7/8
Word 2
Transmit Shift Reg.
INT0IF
Stop bit
OERR
TRMT
Bit 1
—
—
—
Stop bit
Start bit
RX9D
DS39629C-page 223
TX9D
RBIF
Bit 0
Word 2
—
—
—
on Page
Values
bit 0
Reset
59
61
61
61
63
63
63
63