PIC18F8490T-I/PT Microchip Technology, PIC18F8490T-I/PT Datasheet - Page 14
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PIC18F8490T-I/PT
Manufacturer Part Number
PIC18F8490T-I/PT
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,TQFP,80PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F6310-IPT.pdf
(28 pages)
3.PIC18F6390-IPT.pdf
(414 pages)
4.PIC18F6390-IPT.pdf
(16 pages)
5.PIC18F6390-IPT.pdf
(12 pages)
6.PIC18F6390-IPT.pdf
(6 pages)
7.PIC18F6390-IPT.pdf
(4 pages)
Specifications of PIC18F8490T-I/PT
Rohs Compliant
YES
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 ~ 85°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
1 x 8
Operating Supply Voltage
4.2 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
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136, DM163028
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit
Data Rom Size
768 B
Height
1 mm
Length
12 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.2 V
Width
12 mm
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With
XLT80PT3 - SOCKET TRAN ICE 80MQFP/TQFPDM163028 - BOARD DEMO PICDEM LCDAC164320 - MODULE SKT MPLAB PM3 80TQFPAC174011 - MODULE SKT PROMATEII 80TQFP
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F8490T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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.