PIC18F67K90-I/PTRSL Microchip Technology, PIC18F67K90-I/PTRSL Datasheet - Page 114
![MCU PIC 128K FLASH XLP 64TQFP](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC18F67K90-I/PTRSL
Manufacturer Part Number
PIC18F67K90-I/PTRSL
Description
MCU PIC 128K FLASH XLP 64TQFP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Specifications of PIC18F67K90-I/PTRSL
Core Size
8-Bit
Program Memory Size
128KB (64K x 16)
Core Processor
PIC
Speed
64MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
53
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 16x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TFQFP
Controller Family/series
PIC18
Eeprom Memory Size
1024Byte
Ram Memory Size
3828Byte
Cpu Speed
16MIPS
No. Of Timers
11
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
I2C, SPI, EUSART
Maximum Clock Frequency
64 MHz
Number Of Programmable I/os
53
Number Of Timers
11
Operating Supply Voltage
1.8 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
DM163030, DM180021, DM183026-2, DM183032, DV164131, MA180027
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 16 Channel
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:
PIC18F67K90-I/PTRSL
Manufacturer:
Microchip Technology
Quantity:
10 000
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PIC18F87K90 FAMILY
7.4
The erase block is 32 words or 64 bytes for the
PIC18FX5K90
64 words or 128 bytes for the PIC18FX7K90 devices.
Word erase in the Flash array is not supported.
When initiating an erase sequence from the micro-
controller itself, a block of 64 or 128 bytes of program
memory is erased. The Most Significant 16 bits of the
TBLPTR<21:6> point to the block being erased. The
TBLPTR<5:0> bits are ignored.
The EECON1 register commands the erase operation.
The EEPGD bit must be set to point to the Flash
program memory. The WREN bit must be set to enable
write operations. The FREE bit is set to select an erase
operation.
For protection, the write initiate sequence for EECON2
must be used.
A long write is necessary for erasing the internal Flash.
Instruction execution is halted while in a long write
cycle. The long write will be terminated by the internal
programming timer.
EXAMPLE 7-2:
DS39957B-page 114
Required
Sequence
Erasing Flash Program Memory
ERASE_ROW
and
ERASING A FLASH PROGRAM MEMORY ROW
PIC18FX6K90
MOVLW
MOVWF
MOVLW
MOVWF
MOVLW
MOVWF
BSF
BCF
BSF
BSF
BCF
MOVLW
MOVWF
MOVLW
MOVWF
BSF
BSF
CODE_ADDR_UPPER
TBLPTRU
CODE_ADDR_HIGH
TBLPTRH
CODE_ADDR_LOW
TBLPTRL
EECON1, EEPGD
EECON1, CFGS
EECON1, WREN
EECON1, FREE
INTCON, GIE
0x55
EECON2
0xAA
EECON2
EECON1, WR
INTCON, GIE
devices,
and
Preliminary
7.4.1
The sequence of events for erasing a block of internal
program memory location is:
1.
2.
3.
4.
5.
6.
7.
; load TBLPTR with the base
; address of the memory block
; point to Flash program memory
; access Flash program memory
; enable write to memory
; enable Row Erase operation
; disable interrupts
; write 55h
; write 0AAh
; start erase (CPU stall)
; re-enable interrupts
Load the Table Pointer register with the address
of row to be erased.
Set the EECON1 register for the erase operation:
• Set the EEPGD bit to point to program memory
• Clear the CFGS bit to access program memory
• Set the WREN bit to enable writes
• Set the FREE bit to enable the erase
Disable the interrupts.
Write 0x55 to EECON2.
Write 0xAA to EECON2.
Set the WR bit.
This begins the row erase cycle.
The CPU will stall for the duration of the erase
for T
Re-enable interrupts.
IW
. (See parameter D133A.)
FLASH PROGRAM MEMORY
ERASE SEQUENCE
2010 Microchip Technology Inc.
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