PIC18F8680-I/PT Microchip Technology, PIC18F8680-I/PT Datasheet - Page 240

• Manufacturer Part Number: PIC18F8680-I/PT
• Description: IC PIC MCU FLASH 32KX16 80TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F8680-I/PT

• Program Memory Type: FLASH
• Program Memory Size: 64KB (32K x 16)
• Package / Case: 80-TFQFP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, EBI/EMI, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 68
• 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 16x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 24 KB
• Interface Type: I2C/SPI/AUSART/CAN
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 69
• Number Of Timers: 5
• 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, DM183032
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 16-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT80PT3 - SOCKET TRAN ICE 80MQFP/TQFPAC164320 - MODULE SKT MPLAB PM3 80TQFPAC174011 - MODULE SKT PROMATEII 80TQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC18F6585/8585/6680/8680
FIGURE 18-2:
FIGURE 18-3:
FIGURE 18-4:
DS30491C-page 238
(Interrupt Reg. Flag)
Reg. Empty Flag)
Reg. Empty Flag)
Note:
Reg. Empty Flag)
Write to TXREG
(Transmit Buffer
Write to TXREG
(Transmit Shift
(Transmit Shift
BRG Output
(Shift Clock)
RC6/TX/CK
BRG Output
(Shift Clock)
RC6/TX/CK
BRG16
TRMT bit
TRMT bit
This timing diagram shows two consecutive transmissions.
TXIF bit
TXIF bit
TXIE
(pin)
(pin)
Interrupt
SPBRGH
Baud Rate Generator
TXEN
TXIF
USART TRANSMIT BLOCK DIAGRAM
ASYNCHRONOUS TRANSMISSION
ASYNCHRONOUS TRANSMISSION (BACK TO BACK)
1 T
Word 1
Transmit Shift Reg
CY
Word 1
Transmit Shift Reg.
Word 1
Word 1
Baud Rate CLK
SPBRG
1 T
CY
Start bit
Start bit
Word 2
MSb
(8)
1 T
TX9D
CY
TXREG Register
bit 0
bit 0
TSR Register
TX9
8
Data Bus
bit 1
Word 1
bit 1
Word 1
LSb
0
TRMT
bit 7/8
and Control
Pin Buffer
bit 7/8
SPEN
Word 2
Transmit Shift Reg.
 2004 Microchip Technology Inc.
Stop bit
Stop bit
RC6/TX/CK pin
Start bit
Word 2
bit 0