PIC16F MICROCHIP [Microchip Technology], PIC16F Datasheet - Page 19
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PIC16F
Manufacturer Part Number
PIC16F
Description
PIC16F/LF182X/PIC12F/LF1822 Memory Programming Specification
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC16F.pdf
(40 pages)
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4.3.11
The Bulk Erase Program Memory command performs
two different functions dependent on the current state
of the address.
A Bulk Erase Program Memory command should not
be issued when the address is greater than 8008h.
FIGURE 4-11:
4.3.12
To perform an erase of the data memory, after a Bulk
Erase Data Memory command, wait a minimum of
T
To erase data memory when data code-protect is active
(CPD = 0), the Bulk Erase Program Memory command
should be used.
FIGURE 4-12:
2010 Microchip Technology Inc.
Address 0000h-7FFFh:
Address 8000h-8008h:
ERAB
Program Memory is erased
Configuration Words are erased
If CPD = 0, Data Memory is erased
Program Memory is erased
Configuration Words are erased
User ID Locations are erased
If CPD = 0, Data Memory is erased
to complete Bulk Erase.
BULK ERASE PROGRAM MEMORY
BULK ERASE DATA MEMORY
ICSPCLK
ICSPDAT
ICSPCLK
ICSPDAT
BULK ERASE PROGRAM MEMORY
BULK ERASE DATA MEMORY COMMAND
1
1
PIC16F/LF182X/PIC12F/LF1822
1
1
2
0
2
1
Advance Information
3
3
0
0
4
4
1
1
5
5
0
X
After receiving the Bulk Erase Program Memory
command the erase will not complete until the time
interval, T
After receiving the Bulk Erase Data Memory command,
the erase will not complete until the time interval,
T
ERAB
Note:
Note:
Wait a minimum of
6
X
6
, has expired.
X
T
ERAB
ERAB
The code protection Configuration bit (CP)
has no effect on the Bulk Erase Program
Memory command.
Data memory will not erase if code-
protected (CPD = 0).
T
ERAB
, has expired.
1
X
Next Command
2
Next Command
0
1
X
2
X
DS41390C-page 19
3
X