PIC18LF2539T-I/SO Microchip Technology, PIC18LF2539T-I/SO Datasheet - Page 175

• Manufacturer Part Number: PIC18LF2539T-I/SO
• Description: IC MCU FLASH 12KX16 EE AD 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18LF2539T-I/SO

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 21
• Program Memory Size: 24KB (12K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1408 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Processor Series: PIC18LF
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 1408 B
• Interface Type: I2C, SPI, AUSART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 21
• Number Of Timers: 16 bit
• Operating Supply Voltage: 2 V to 5.5 V
• 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: DV164005, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 5 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 17-2:
FIGURE 17-3:
TABLE 17-6:
 2002 Microchip Technology Inc.
INTCON GIE/GIEH PEIE/GIEL TMR0IE INT0IE
PIR1
PIE1
IPR1
RCSTA
TXREG USART Transmit Register
TXSTA
SPBRG Baud Rate Generator Register
Legend: x = unknown, - = unimplemented locations read as '0'.
Note 1: The PSPIF, PSPIE and PSPIP bits are reserved on the PIC18F2X39 devices; always maintain these bits
(Interrupt Reg. Flag)
Name
Reg. Empty Flag)
Note:
Reg. Empty Flag)
Reg. Empty Flag)
RC6/TX/CK (pin)
RC6/TX/CK (pin)
Write to TXREG
Write to TXREG
(Transmit Buffer
(Transmit Shift
(Transmit Shift
BRG Output
(Shift Clock)
BRG Output
(Shift Clock)
Shaded cells are not used for Asynchronous Transmission.
clear.
TRMT bit
TRMT bit
This timing diagram shows two consecutive transmissions.
TXIF bit
PSPIE
PSPIP
PSPIF
TXIF bit
CSRC
SPEN
Bit 7
REGISTERS ASSOCIATED WITH ASYNCHRONOUS TRANSMISSION
(1)
(1)
(1)
ASYNCHRONOUS TRANSMISSION
ASYNCHRONOUS TRANSMISSION (BACK TO BACK)
ADIE
ADIP
ADIF
Bit 6
RX9
TX9
Transmit Shift Reg.
Word 1
Transmit Shift Reg
Word 1
Word 1
Word 1
SREN
TXEN
RCIF
RCIE
RCIP
START bit
Bit 5
START bit
Word 2
CREN ADDEN
SYNC
Bit 4
TXIF
TXIE
TXIP
bit 0
bit 0
Preliminary
SSPIF
SSPIE
SSPIP
RBIE
Bit 3
—
bit 1
Word 1
bit 1
TMR0IF INT0IF
BRGH
FERR
Word 1
Bit 2
—
—
—
TMR2IF TMR1IF 0000 0000 0000 0000
TMR2IE TMR1IE 0000 0000 0000 0000
TMR2IP TMR1IP 0000 0000 0000 0000
OERR
TRMT
Bit 1
bit 7/8
Word 2
Transmit Shift Reg.
RX9D
TX9D
RBIF
bit 7/8
Bit 0
PIC18FXX39
STOP bit
STOP bit
0000 000x 0000 000u
0000 -00x 0000 -00x
0000 0000 0000 0000
0000 -010 0000 -010
0000 0000 0000 0000
POR, BOR
Value on
START bit
DS30485A-page 173
Word 2
All Other
Value on
RESETS
bit 0