PIC18F4685-I/PT Microchip Technology, PIC18F4685-I/PT Datasheet - Page 239

• Manufacturer Part Number: PIC18F4685-I/PT
• Description: IC PIC MCU FLASH 48KX16 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4685-I/PT

• Program Memory Type: FLASH
• Program Memory Size: 96KB (48K x 16)
• Package / Case: 44-TQFP, 44-VQFP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 36
• Eeprom Size: 1K x 8
• Ram Size: 3.25K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 3328 B
• Interface Type: EUSART, I2C, MSSP, SPI
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 4
• Maximum Operating Temperature: + 125 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, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 11 Channel
• Package: 44TQFP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT44PT3 - SOCKET TRAN ICE 44MQFP/TQFPI3-DB18F4680 - BOARD DAUGHTER ICEPIC3AC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

FIGURE 18-4:
FIGURE 18-5:
TABLE 18-5:
© 2009 Microchip Technology Inc.
INTCON
PIR1
PIE1
IPR1
RCSTA
TXREG
TXSTA
BAUDCON
SPBRGH
SPBRG
Legend: — = unimplemented locations read as ‘0’. Shaded cells are not used for asynchronous transmission.
Note 1:
Note:
(Interrupt Reg. Flag)
Reg. Empty Flag)
Reg. Empty Flag)
Write to TXREG
(Transmit Buffer
Name
Reg. Empty Flag)
(Transmit Shift
Write to TXREG
BRG Output
(Shift Clock)
(Transmit Shift
BRG Output
(Shift Clock)
TRMT bit
TXIF bit
This timing diagram shows two consecutive transmissions.
TRMT bit
Reserved in PIC18F2682/2685 devices; always maintain these bits clear.
TXIF bit
(pin)
TX
(pin)
EUSART Transmit Register
EUSART Baud Rate Generator Register High Byte
EUSART Baud Rate Generator Register Low Byte
GIE/GIEH PEIE/GIEL TMR0IE
ABDOVF
PSPIF
PSPIE
PSPIP
TX
CSRC
SPEN
Bit 7
REGISTERS ASSOCIATED WITH ASYNCHRONOUS TRANSMISSION
1 T
(1)
(1)
(1)
ASYNCHRONOUS TRANSMISSION
ASYNCHRONOUS TRANSMISSION (BACK-TO-BACK)
CY
Word 1
Transmit Shift Reg
Transmit Shift Reg.
Word 1
Word 1
Word 1
RCIDL
ADIF
ADIE
ADIP
Bit 6
RX9
TX9
1 T
CY
Start bit
Start bit
Word 2
SREN
TXEN
RCIE
RCIP
RCIF
Bit 5
—
1 T
PIC18F2682/2685/4682/4685
CY
bit 0
bit 0
INT0IE
CREN
SYNC
SCKP
Bit 4
TXIF
TXIE
TXIP
bit 1
Word 1
bit 1
Word 1
ADDEN
SENDB
BRG16
SSPIF
SSPIE
SSPIP
RBIE
Bit 3
TMR0IF
CCP1IF
CCP1IE
CCP1IP
BRGH
FERR
Bit 2
—
bit 7/8
bit 7/8
Word 2
Transmit Shift Reg.
TMR2IF
TMR2IE
TMR2IP
Stop bit
INT0IF
OERR
TRMT
WUE
Bit 1
Stop bit
Start bit
TMR1IE
TMR1IP
TMR1IF
ABDEN
RX9D
DS39761C-page 239
TX9D
RBIF
Bit 0
Word 2
on page
Values
bit 0
Reset
51
54
54
54
53
53
53
53
53
53