PIC24F04KA201-I/SS Microchip Technology, PIC24F04KA201-I/SS Datasheet - Page 48
![IC PIC MCU FLASH 512KX4 20-SSOP](/photos/6/81/68119/150-28-ssop_sml.jpg)
PIC24F04KA201-I/SS
Manufacturer Part Number
PIC24F04KA201-I/SS
Description
IC PIC MCU FLASH 512KX4 20-SSOP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 24Fr
Datasheets
1.PIC24F04KA201-ISS.pdf
(8 pages)
2.PIC24F04KA201-ISS.pdf
(48 pages)
3.PIC24F04KA201-ISS.pdf
(224 pages)
4.PIC24F04KA201-ISS.pdf
(26 pages)
Specifications of PIC24F04KA201-I/SS
Core Size
16-Bit
Program Memory Size
4KB (1.375K x 24)
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Core Processor
PIC
Speed
32MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Number Of I /o
18
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 9x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SSOP
Controller Family/series
PIC24
No. Of I/o's
18
Ram Memory Size
512Byte
Cpu Speed
32MHz
No. Of Timers
3
Processor Series
PIC24F
Core
PIC
Data Bus Width
16 bit
Data Ram Size
512 B
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
32 KHz
Number Of Programmable I/os
12
Number Of Timers
3
Operating Supply Voltage
1.8 V to 3.6 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52713-733, 52714-737, 53276-922, EWDSPIC
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, DM240001
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 9 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
- PIC24F04KA201-ISS PDF datasheet
- PIC24F04KA201-ISS PDF datasheet #2
- PIC24F04KA201-ISS PDF datasheet #3
- PIC24F04KA201-ISS PDF datasheet #4
- Current page: 48 of 224
- Download datasheet (4Mb)
PIC24F04KA201 FAMILY
5.5.1
The user can program one row of Flash program
memory at a time by erasing the programmable row.
The general process is:
1.
2.
3.
EXAMPLE 5-1:
DS39937B-page 46
; Set up NVMCON for row erase operation
; Init pointer to row to be ERASED
Read
(32 instructions) and store in data RAM.
Update the program data in RAM with the
desired new data.
Erase a row (see Example 5-1):
a)
b)
c)
d)
e)
Set the NVMOP bits (NVMCON<5:0>) to
‘011000’ to configure for row erase. Set the
ERASE
(NVMCON<14>) bits.
Write the starting address of the block to be
erased into the TBLPAG and W registers.
Write 55h to NVMKEY.
Write AAh to NVMKEY.
Set the WR bit (NVMCON<15>). The erase
cycle begins and the CPU stalls for the
duration of the erase cycle. When the erase is
done, the WR bit is cleared automatically.
MOV
MOV
MOV
MOV
MOV
TBLWTL W0, [W0]
DISI
MOV
MOV
MOV
MOV
BSET
NOP
NOP
PROGRAMMING ALGORITHM FOR
FLASH PROGRAM MEMORY
a
row
#0x4058, W0
W0, NVMCON
#tblpage(PROG_ADDR), W0
W0, TBLPAG
#tbloffset(PROG_ADDR), W0
#5
#0x55, W0
W0, NVMKEY
#0xAA, W1
W1, NVMKEY
NVMCON, #WR
(NVMCON<6>)
ERASING A PROGRAM MEMORY ROW – ASSEMBLY LANGUAGE CODE
of
program
and
memory
WREN
Preliminary
;
; Initialize NVMCON
;
; Initialize PM Page Boundary SFR
; Initialize in-page EA[15:0] pointer
; Set base address of erase block
; Block all interrupts
; Write the 55 key
;
; Write the AA key
; Start the erase sequence
; Insert two NOPs after the erase
; command is asserted
for next 5 instructions
4.
5.
For protection against accidental operations, the write
initiate sequence for NVMKEY must be used to allow
any erase or program operation to proceed. After the
programming command has been executed, the user
must wait for the programming time until programming
is complete. The two instructions following the start of
the programming sequence should be NOPs, as
displayed in Example 5-5.
Write the first 32 instructions from data RAM into
the program memory buffers (see Example 5-1).
Write the program block to Flash memory:
a)
b)
c)
d)
Set the NVMOP bits to ‘011000’ to
configure for row programming. Clear the
ERASE bit and set the WREN bit.
Write 55h to NVMKEY.
Write AAh to NVMKEY.
Set the WR bit. The programming cycle
begins and the CPU stalls for the duration of
the write cycle. When the write to Flash
memory is done, the WR bit is cleared
automatically.
© 2009 Microchip Technology Inc.
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