PIC18F2439-I/SO Microchip Technology, PIC18F2439-I/SO Datasheet - Page 211

• Manufacturer Part Number: PIC18F2439-I/SO
• Description: IC MCU FLASH 6KX16 EE A/D 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2439-I/SO

• Core Size: 8-Bit
• Program Memory Size: 12KB (6K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 21
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 640 x 8
• Voltage - Supply (vcc/vdd): 4.2 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)
• Controller Family/series: PIC18
• No. Of I/o's: 21
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 640Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 640 B
• Interface Type: I2C, SPI, AUSART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 21
• Number Of Timers: 3
• 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: 10 bit, 5 Channel
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

FIGURE 20-5:
FIGURE 20-6:
 2002 Microchip Technology Inc.
Results: All Table Reads from external blocks to Blockn are disabled whenever EBTRn = 0.
TBLPTR = 000FFF
TBLPTR = 000FFF
Results: Table Reads permitted within Blockn, even when EBTRBn = 0.
Register Values
Register Values
PC = 002FFE
PC = 001FFE
TABLAT register returns a value of ‘0’.
TABLAT register returns the value of the data at the location TBLPTR.
EXTERNAL BLOCK TABLE READ (EBTRn) DISALLOWED
EXTERNAL BLOCK TABLE READ (EBTRn) ALLOWED
Program Memory
Program Memory
Preliminary
TBLRD *
TBLRD *
000000h
000200h
001FFFh
002000h
003FFFh
004000h
005FFFh
0001FFh
000000h
0001FFh
000200h
001FFFh
002000h
003FFFh
004000h
005FFFh
Configuration Bit Settings
Configuration Bit Settings
PIC18FXX39
WRT1,EBTR1 = 11
WRT2,EBTR2 = 11
WRTB,EBTRB = 11
WRT0,EBTR0 = 10
WRTB,EBTRB = 11
WRT0,EBTR0 = 10
WRT1,EBTR1 = 11
WRT2,EBTR2 = 11
DS30485A-page 209