PIC18F2539T-I/SO Microchip Technology, PIC18F2539T-I/SO Datasheet - Page 10

• Manufacturer Part Number: PIC18F2539T-I/SO
• Description: IC MCU FLASH 12KX16 EE AD 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2539T-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): 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)
• Processor Series: PIC18F
• 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

PIC18FXX39
TABLE 3-3:
DS30480C-page 10
Step 1: Load 3C0004h to Address Pointer.
Step 2: Erase boot block.
Step 3: Erase Panel 1.
Step 4: Erase Panel 2.
Step 5: Erase Panel 3.
4-bit Command
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
CHIP ERASE COMMAND SEQUENCE FOR PIC18FX539
0E 3C
6E F8
0E 00
6E F7
0E 04
6E F6
00 83
00 00
00 00
00 88
00 00
00 00
00 89
00 00
00 00
00 8A
00 00
00 00
Data Payload
MOVLW 3Ch
MOVWF TBLPTRU
MOVLW 00h
MOVWF TBLPTRH
MOVLW 04h
MOVWF TBLPTRL
Write 83h to 3C0004h to erase the boot block
NOP
Hold SDATA low until erase complete (P11+P10)
Write 88h to 3C0004h to erase the panel 1
NOP
Hold SDATA low until erase complete (P11+P10)
Write 89h to 3C0004h to erase the panel 2
NOP
Hold SDATA low until erase complete (P11+P10)
Write 8Ah to 3C0004h to erase the panel 3
NOP
Hold SDATA low until erase complete (P11+P10)
Preliminary
Core Instruction
 2010 Microchip Technology Inc.