DSPIC30F2020-20E/SO Microchip Technology, DSPIC30F2020-20E/SO Datasheet - Page 32

• Manufacturer Part Number: DSPIC30F2020-20E/SO
• Description: IC, DSC, 16BIT, 12KB 40MHZ, 5.5V, SOIC28
• Manufacturer: Microchip Technology
• Series: DsPIC30Fr

Specifications of DSPIC30F2020-20E/SO

• Core Frequency: 40MHz
• Core Supply Voltage: 5.5V
• Embedded Interface Type: I2C, SPI, UART
• No. Of I/o's: 20
• Flash Memory Size: 12KB
• Supply Voltage Range: 2.5V To 5.5V
• Core Processor: dsPIC
• Core Size: 16-Bit
• Speed: 20 MIPS
• Connectivity: I²C, IrDA, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 21
• Program Memory Size: 12KB (4K x 24)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SOIC (7.5mm Width)
• Package: 28SOIC W
• Device Core: dsPIC
• Family Name: dsPIC30
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 16 Bit
• Number Of Programmable I/os: 21
• Interface Type: I2C/SPI/UART
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: DM300023 - KIT DEMO DSPICDEM SMPS BUCKDV164005 - KIT ICD2 SIMPLE SUIT W/USB CABLE
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

TABLE 11-5:
DS70284C-page 32
Step 6: Update the row address stored in NVMADRU:NVMADR. When W6 rolls over to 0x0, NVMADRU must be
0000
0000
0000
0000
Step 7: Reset device internal PC.
0000
0000
Step 8: Repeat Steps 3-7 until all rows of code memory are erased.
Step 9: Initialize NVMADR and NVMADRU to erase executive memory and initialize W7 for row address updates.
0000
0000
0000
0000
0000
Step 10: Set NVMCON to erase 1 row of executive memory.
0000
0000
Step 11: Unlock the NVMCON to erase 1 row of executive memory.
0000
0000
0000
0000
Step 12: Initiate the erase cycle.
0000
0000
0000
0000
0000
—
0000
0000
0000
0000
0000
Step 13: Update the row address stored in NVMADR.
0000
0000
Step 14: Reset device internal PC.
0000
0000
Step 15: Repeat Steps 10-14 until all 24 rows of executive memory are erased.
Command
(Binary)
incremented.
430307
AF0042
EC2764
883B16
040100
000000
EB0300
883B16
200807
883B27
200407
24071A
883B0A
200558
883B38
200AA9
883B39
A8E761
000000
000000
000000
000000
—
A9E761
000000
000000
000000
000000
430307
883B16
040100
000000
SERIAL INSTRUCTION EXECUTION FOR ROW ERASING PROGRAM MEMORY (CONTINUED)
(Hex)
Data
ADD
BTSC
INC
MOV
GOTO 0x100
NOP
CLR
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
BSET NVMCON, #WR
NOP
NOP
NOP
NOP
Externally time 'P19a' msec
Requirements”)
BCLR NVMCON, #WR
NOP
NOP
NOP
NOP
ADD
MOV
GOTO 0x100
NOP
W6, W7, W6
SR, #C
NVMADRU
W6, NVMADR
W6
W6, NVMADR
#0x80, W7
W7, NVMADRU
#0x40, W7
#0x4071, W10
W10, NVMCON
#0x55, W8
W8, NVMKEY
#0xAA, W9
W9, NVMKEY
W6, W7, W6
W6, NVMADR
(see
Description
Section 13.0 “AC/DC Characteristics and Timing
© 2010 Microchip Technology Inc.