DSPIC30F3010-30I/SO Microchip Technology Inc., DSPIC30F3010-30I/SO Datasheet - Page 66
DSPIC30F3010-30I/SO
Manufacturer Part Number
DSPIC30F3010-30I/SO
Description
16 BIT MCU/DSP 28LD 30MIPS 24 KB FLASH
Manufacturer
Microchip Technology Inc.
Type
DSPr
Datasheet
1.DSPIC30F3010-30ISO.pdf
(244 pages)
Specifications of DSPIC30F3010-30I/SO
A/d Inputs
6-Channels, 10-Bit
Cpu Speed
30 MIPS
Eeprom Memory
1K Bytes
Input Output
20
Interface
I2C/SPI/UART, USART
Ios
20
Memory Type
Flash
Number Of Bits
16
Package Type
28-pin SOIC
Programmable Memory
24K Bytes
Ram Size
1K Bytes
Timers
5-16-bit, 2-32-bit
Voltage, Range
2.5-5.5
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
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Manufacturer
Quantity
Price
Part Number:
DSPIC30F3010-30I/SO
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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dsPIC30F
7.2
7.2.1
In order to erase a block of data EEPROM, the
NVMADRU and NVMADR registers must initially
point to the block of memory to be erased. Configure
NVMCON for erasing a block of data EEPROM, and
set the ERASE and WREN bits in NVMCON register.
Setting the WR bit initiates the erase, as shown in
Example 7-2.
EXAMPLE 7-2:
7.2.2
The TBLPAG and NVMADR registers must point to
the block. Select erase a block of data Flash, and set
the ERASE and WREN bits in NVMCON register. Set-
ting the WR bit initiates the erase, as shown in
Example 7-3.
EXAMPLE 7-3:
DS70082G-page 64
; Select data EEPROM block, ERASE, WREN bits
; Start erase cycle by setting WR after writing key sequence
; Erase cycle will complete in 2mS. CPU is not stalled for the Data Erase Cycle
; User can poll WR bit, use NVMIF or Timer IRQ to determine erasure complete
; Select data EEPROM word, ERASE, WREN bits
; Start erase cycle by setting WR after writing key sequence
; Erase cycle will complete in 2mS. CPU is not stalled for the Data Erase Cycle
; User can poll WR bit, use NVMIF or Timer IRQ to determine erasure complete
MOV
MOV
DISI
MOV
MOV
MOV
MOV
BSET
NOP
NOP
MOV
MOV
DISI
MOV
MOV
MOV
MOV
BSET
NOP
NOP
Erasing Data EEPROM
ERASING A BLOCK OF DATA
EEPROM
ERASING A WORD OF DATA
EEPROM
#4045,W0
W0
#5
#0x55,W0
W0
#0xAA,W1
W1
NVMCON,#WR
#4044,W0
W0
#5
#0x55,W0
W0
#0xAA,W1
W1
NVMCON,#WR
,
,
,
,
,
,
NVMCON
NVMKEY
NVMKEY
NVMCON
NVMKEY
NVMKEY
DATA EEPROM BLOCK ERASE
DATA EEPROM WORD ERASE
;
; Write the 0x55 key
;
; Write the 0xAA key
; Initiate erase sequence
Preliminary
; Initialize NVMCON SFR
; Block all interrupts with priority <7
; for next 5 instructions
;
; Write the 0x55 key
;
; Write the 0xAA key
; Initiate erase sequence
; Block all interrupts with priority <7
; for next 5 instructions
2004 Microchip Technology Inc.
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