DSPIC30F4011-20E/ML Microchip Technology, DSPIC30F4011-20E/ML Datasheet - Page 56
DSPIC30F4011-20E/ML
Manufacturer Part Number
DSPIC30F4011-20E/ML
Description
IC,DSP,16-BIT,CMOS,LLCC,44PIN,PLASTIC
Manufacturer
Microchip Technology
Series
dsPIC™ 30Fr
Datasheets
1.DSPIC30F4012-30ISO.pdf
(238 pages)
2.DSPIC30F4012-30ISO.pdf
(18 pages)
3.DSPIC30F4012-30ISO.pdf
(6 pages)
4.DSPIC30F4012-30ISO.pdf
(16 pages)
5.DSPIC30F4012-30ISO.pdf
(22 pages)
Specifications of DSPIC30F4011-20E/ML
Rohs Compliant
YES
Core Processor
dsPIC
Core Size
16-Bit
Speed
20 MIPS
Connectivity
CAN, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, Motor Control PWM, QEI, POR, PWM, WDT
Number Of I /o
30
Program Memory Size
48KB (16K x 24)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.5 V ~ 5.5 V
Data Converters
A/D 9x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
44-QFN
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
DSPIC30F401120EML
- DSPIC30F4012-30ISO PDF datasheet
- DSPIC30F4012-30ISO PDF datasheet #2
- DSPIC30F4012-30ISO PDF datasheet #3
- DSPIC30F4012-30ISO PDF datasheet #4
- DSPIC30F4012-30ISO PDF datasheet #5
- Current page: 56 of 238
- Download datasheet (4Mb)
dsPIC30F4011/4012
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 WR and WREN bits in the NVMCON register.
Setting the WR bit initiates the erase, as shown in
Example
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 WR and WREN bits in the NVMCON register.
Setting the WR bit initiates the erase, as shown in
Example
EXAMPLE 7-3:
DS70135G-page 56
; Select data EEPROM block, WR, 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, WR, 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
MOV
MOV
DISI
MOV
MOV
MOV
MOV
BSET
NOP
NOP
NOP
NOP
Erasing Data EEPROM
7-2.
7-3.
ERASING A BLOCK OF DATA
EEPROM
ERASING A WORD OF DATA
EEPROM
#0x4045,W0
W0
#5
#0x55,W0
W0
#0xAA,W1
W1
NVMCON,#WR
#0x4044,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
; 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
© 2010 Microchip Technology Inc.
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