PIC18F8310-E/PT Microchip Technology, PIC18F8310-E/PT Datasheet - Page 14

• Manufacturer Part Number: PIC18F8310-E/PT
• Description: IC PIC MCU FLASH 8KX16 80TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F8310-E/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 8KB (4K 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
• For Use With: XLT80PT3 - SOCKET TRAN ICE 80MQFP/TQFPAC164320 - MODULE SKT MPLAB PM3 80TQFPAC174011 - MODULE SKT PROMATEII 80TQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

PIC18F8410/8490/8493 FAMILY
TABLE 3-3
FIGURE 3-6:
DS39624C-page 14
Step 1: Direct access to code memory and enable writes.
Step 2: Load write buffer.
To continue writing data, repeat step 2, where the address pointer is incremented by 16 at each iteration of the loop.
Command
0000
0000
0000
0000
0000
0000
0000
0000
1101
1101
1111
0000
4-Bit
.
.
9C A6
84 A6
0E <Addr[21:16]>
6E F8
0E <Addr[15:8]>
6E F7
0E <Addr[7:0]>
6E F6
<LSB><MSB>
.
.
<LSB><MSB>
<LSB><MSB>
00 00
WRITE CODE MEMORY CODE SEQUENCE
Data Payload
PROGRAM CODE MEMORY FLOW
LoopCount + 1
LoopCount =
BCF
BSF
MOVLW <Addr[21:16]>
MOVWF TBLPTRU
MOVLW <Addr[15:8]>
MOVWF TBLPTRH
MOVLW <Addr[7:0]>
MOVWF TBLPTRL
Write 2 bytes (First Word) and post-increment address by 2
.
.
Write 2 bytes (Seventh Word) and post-increment address by 2
Write 2 bytes (Eighth Word) and start programming
NOP
EECON1, CFGS
EECON1, WREN
No
Addr = 16 x LoopCount
PGC Low for P10 Time)
Delay P9 + P10 Time
Configure Device for
Start Programming
(Hold PGC High for
Buffer at <Addr>
Load 16 Bytes
P9 Time and
Sequence
Locations
to Write
Writes
Core Instruction
Done?
Start
Done
All
Yes
LoopCount = 0
© 2007 Microchip Technology Inc.