PIC18F4331-I/P Microchip Technology, PIC18F4331-I/P Datasheet - Page 235

• Manufacturer Part Number: PIC18F4331-I/P
• Description: IC PIC MCU FLASH 4KX16 40DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4331-I/P

• Core Size: 8-Bit
• Program Memory Size: 8KB (4K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 9x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Controller Family/series: PIC18
• No. Of I/o's: 36
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: EUSART, I2C, SPI, SSP
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 4
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 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
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 9 bit
• Package: 40PDIP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: I3-DB18F4431 - BOARD DAUGHTER ICEPIC3DVA18XP400 - DEVICE ADAPTER 18F4220 PDIP 40LD444-1001 - DEMO BOARD FOR PICMICRO MCUACICE0206 - ADAPTER MPLABICE 40P 600 MIL
• Lead Free Status / Rohs Status: Details

FIGURE 19-2:
FIGURE 19-3:
FIGURE 19-4:
© 2007 Microchip Technology Inc.
Note:
(Interrupt Reg. Flag)
(Interrupt Reg. Flag)
Reg. Empty Flag)
Reg. Empty Flag)
Write to TXREG
Write to TXREG
RC6/TX/CK/SS
RC6/TX/CK/SS
(Transmit Shift
(Transmit Shift
BRG Output
(Shift Clock)
BRG Output
(Shift Clock)
BRG16
TRMT bit
TRMT bit
This timing diagram shows two consecutive transmissions.
TXIF bit
TXIF bit
TXIE
(pin)
(pin)
Interrupt
SPBRGH
Baud Rate Generator
1 T
TXIF
TXEN
EUSART TRANSMIT BLOCK DIAGRAM
ASYNCHRONOUS TRANSMISSION
ASYNCHRONOUS TRANSMISSION (BACK TO BACK)
CY
Word 1
Transmit Shift Reg
Word 1
Word 1
Transmit Shift Reg.
Word 1
Baud Rate CLK
SPBRG
1 T
CY
Start bit
Start bit
Word 2
MSb
(8)
1 T
PIC18F2331/2431/4331/4431
CY
TX9D
bit 0
TXREG Register
bit 0
TSR Register
Preliminary
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
Word 2
Transmit Shift Reg.
SPEN
Stop bit
Stop bit
RC6/TX/CK/SS Pin
Start bit
DS39616C-page 233
Word 2
bit 0