PIC18LF6520-I/PT Microchip Technology, PIC18LF6520-I/PT Datasheet - Page 63
![IC MCU FLASH 16KX16 EEPROM64TQFP](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC18LF6520-I/PT
Manufacturer Part Number
PIC18LF6520-I/PT
Description
IC MCU FLASH 16KX16 EEPROM64TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F8520T-IPT.pdf
(380 pages)
3.PIC18F8520T-IPT.pdf
(16 pages)
Specifications of PIC18LF6520-I/PT
Core Size
8-Bit
Program Memory Size
32KB (16K 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
52
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TFQFP
Controller Family/series
PIC18
No. Of I/o's
52
Eeprom Memory Size
1024Byte
Ram Memory Size
2KB
Cpu Speed
40MHz
No. Of Timers
5
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
I2C, SPI, USART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
52
Number Of Timers
2 x 8 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
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136, DM183032, DM183022
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18LF6520-I/PT
Manufacturer:
ST
Quantity:
856
Company:
Part Number:
PIC18LF6520-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18LF6520-I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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5.0
The Flash program memory is readable, writable and
erasable, during normal operation over the entire V
range.
A read from program memory is executed on one byte
at a time. A write to program memory is executed on
blocks of 8 bytes at a time. Program memory is erased
in blocks of 64 bytes at a time. A bulk erase operation
may not be issued from user code.
Writing or erasing program memory will cease
instruction fetches until the operation is complete. The
program memory cannot be accessed during the write
or erase, therefore, code cannot execute. An internal
programming timer terminates program memory writes
and erases.
A value written to program memory does not need to be
a valid instruction. Executing a program memory
location that forms an invalid instruction results in a
NOP.
5.1
In order to read and write program memory, there are
two operations that allow the processor to move bytes
between the program memory space and the data
RAM:
• Table Read (TBLRD)
• Table Write (TBLWT)
FIGURE 5-1:
2004 Microchip Technology Inc.
Note 1: Table Pointer points to a byte in program memory.
TBLPTRU
FLASH PROGRAM MEMORY
Table Reads and Table Writes
Table Pointer
PIC18F6520/8520/6620/8620/6720/8720
TBLPTRH
TABLE READ OPERATION
(1)
TBLPTRL
Program Memory
(TBLPTR)
DD
Instruction: TBLRD*
Program Memory
The program memory space is 16 bits wide, while the
data RAM space is 8 bits wide. Table reads and table
writes move data between these two memory spaces
through an 8-bit register (TABLAT).
Table read operations retrieve data from program mem-
ory and place it into the data RAM space. Figure 5-1
shows the operation of a table read with program
memory and data RAM.
Table write operations store data from the data memory
space into holding registers in program memory. The
procedure to write the contents of the holding registers
into program memory is detailed in Section 5.5
“Writing to Flash Program Memory”. Figure 5-2
shows the operation of a table write with program
memory and data RAM.
Table operations work with byte entities. A table block
containing data, rather than program instructions, is not
required to be word aligned. Therefore, a table block
can start and end at any byte address. If a table write is
being used to write executable code into program
memory, program instructions will need to be word
aligned.
Table Latch (8-bit)
TABLAT
DS39609B-page 61
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