PIC18F8490-E/PT Microchip Technology, PIC18F8490-E/PT Datasheet - Page 9

• Manufacturer Part Number: PIC18F8490-E/PT
• Description: IC PIC MCU FLASH 16KX16 80TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F8490-E/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, LCD, POR, PWM, WDT
• Number Of I /o: 66
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 80-TFQFP
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: SPI, I2C, EUSART, AUSART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 66
• Number Of Timers: 4
• Operating Supply Voltage: 4.2 V to 5.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 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, DM163028
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 12 Channel
• For Use With: XLT80PT3 - SOCKET TRAN ICE 80MQFP/TQFPDM163028 - BOARD DEMO PICDEM LCDAC164320 - MODULE SKT MPLAB PM3 80TQFPAC174011 - MODULE SKT PROMATEII 80TQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

2.4
Figure 2-8 shows the high-level overview of the
programming process. The device is first checked to
see if it is blank; if it is not, a Chip Erase is performed.
Next, the code memory and ID locations are
programmed. These memories are then verified to
ensure that programming was successful. If no errors
are
programmed and verified.
2.5
The High-Voltage ICSP Program/Verify mode is
entered by holding PGC and PGD low and then raising
MCLR/V
the code memory, ID locations and configuration bits
can be accessed and programmed in serial fashion.
The sequence that enters the device into the
Program/Verify mode places all unused I/Os in the
high-impedance state.
FIGURE 2-7:
© 2007 Microchip Technology Inc.
MCLR/V
V
PGD
PGC
detected,
DD
PP
High-Level Overview of the
Programming Process
Entering High-Voltage ICSP
Program/Verify Mode
D110
to V
PP
IHH
the
(high voltage). Once in this mode,
PGD = Input
P13
ENTERING
HIGH-VOLTAGE
PROGRAM/VERIFY MODE
configuration
P1
P12
PIC18F8410/8490/8493 FAMILY
bits
are
then
FIGURE 2-8:
Configuration Bits
Configuration Bits
Program Memory
Verify Program
Program IDs
Verify IDs
Yes
Program
Blank?
Verify
Done
Start
Part
Is
HIGH-LEVEL
PROGRAMMING FLOW
No
Chip Erase
Perform
DS39624C-page 9