PIC12F609-H/MD MICROCHIP [Microchip Technology], PIC12F609-H/MD Datasheet - Page 33
![no-image](/images/no-image-200.jpg)
PIC12F609-H/MD
Manufacturer Part Number
PIC12F609-H/MD
Description
8-Pin, Flash-Based 8-Bit CMOS Microcontrollers
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC12F609-HMD.pdf
(212 pages)
- Current page: 33 of 212
- Download datasheet (2Mb)
FIGURE 3-2:
FIGURE 3-3:
2010 Microchip Technology Inc.
PMWHLT
Memory
Location
ADDR
DATA
WR bit
Flash
Flash
PMADRL<1:0> = 00
Flash
BSF PMCON1,WR
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1
Executed here
INSTR
(PC)
First word of block
to be written
PC + 1
Buffer Register
(PC + 1)
INSTR
INSTR (PC + 1)
BLOCK WRITES TO 2K FLASH PROGRAM MEMORY
FLASH PROGRAM MEMORY LONG WRITE CYCLE EXECUTION
Executed here
14
ignored
PMADRL<1:0> = 01
read
PIC12F609/615/617/12HV609/615
7
Buffer Register
5
PMDATH
6
14
Program Memory
PMDATH,PMDATL
PMADRH,PMADRL
Processor halted
PM Write Time
PMADRL<1:0> = 10
0 7
PMDATL
Buffer Register
Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
Executed here
8
14
PC + 2
NOP
PMADRL<1:0> = 11
0
INSTR (PC+2)
(INSTR (PC + 2)
Executed here
PC + 3
NOP
Buffer Register
INSTR (PC+3)
If at a new row
sixteen words of
DS41302D-page 33
Flash are erased,
then four buffers
are transferred
to Flash
automatically
after this word
is written
INSTR (PC + 3)
Executed here
14
PC + 4
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