PIC18F87K22-I/PTRSL Microchip Technology Inc., PIC18F87K22-I/PTRSL Datasheet - Page 338

• Manufacturer Part Number: PIC18F87K22-I/PTRSL
• Description: 128kB Flash, 4kB RAM, 1kB EE, nanoWatt XLP, GP, 80 TQFP 12x12x1mm TRAY
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F87K22-I/PTRSL

• A/d Inputs: 24-Channel, 12-Bit
• Comparators: 3
• Cpu Speed: 16 MIPS
• Eeprom Memory: 0 Bytes
• Input Output: 69
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 80-pin TQFP
• Programmable Memory: 128K Bytes
• Ram Size: 3.8K Bytes
• Speed: 64 MHz
• Temperature Range: –40 to 125 °C
• Timers: 6-8-bit, 5-16-bit
• Voltage, Range: 1.8-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC18F87K22 FAMILY
FIGURE 22-4:
FIGURE 22-5:
DS39960C-page 338
Note: This timing diagram shows two consecutive transmissions.
(Interrupt Reg. Flag)
Reg. Empty Flag)
Reg. Empty Flag)
Write to TXREGx
(Transmit Buffer
Reg. Empty Flag)
Write to TXREGx
(Transmit Shift
(Transmit Shift
BRG Output
(Shift Clock)
BRG Output
(Shift Clock)
TRMT bit
TXx (pin)
TXxIF bit
TRMT bit
TXx (pin)
TXxIF bit
1 T
ASYNCHRONOUS TRANSMISSION
ASYNCHRONOUS TRANSMISSION (BACK-TO-BACK)
CY
Word 1
Transmit Shift Reg
Transmit Shift Reg.
Word 1
Word 1
Word 1
1 T
CY
Start bit
Start bit
Word 2
1 T
CY
bit 0
bit 0
bit 1
Word 1
bit 1
Word 1
bit 7/8
bit 7/8
Word 2
Transmit Shift Reg.
Stop bit
 2011 Microchip Technology Inc.
Stop bit
Start bit
Word 2
bit 0