DSPIC30F2020-20E/SO Microchip Technology, DSPIC30F2020-20E/SO Datasheet - Page 42

• 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 12-1:
DS70284C-page 42
Step 7: Load W0:W5 with the next 4 words of packed programming executive code and initialize W6 for
0000
0000
0000
0000
0000
0000
Step 8: Set the read pointer (W6) and load the (next four write) latches.
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
Step 9: Repeat Steps 7-8 eight times to load the write latches for the 32 instructions.
Step 10: Unlock the NVMCON for programming.
0000
0000
0000
0000
Step 11: Initiate the programming cycle.
0000
0000
0000
0000
0000
—
0000
0000
0000
Step 12: Reset the device internal PC.
0000
0000
Step 13: Repeat Steps 7-12 until all 23 rows of executive memory are programmed.
Command
(Binary)
programming. Programming starts from the base of executive memory (0x800000) using W6 as a read
pointer and W7 as a write pointer.
2<LSW0>0
2<MSB1:MSB0>1
2<LSW1>2
2<LSW2>3
2<MSB3:MSB2>4
2<LSW3>5
EB0300
BB0BB6
000000
000000
BBDBB6
000000
000000
BBEBB6
000000
000000
BB1BB6
000000
000000
BB0BB6
000000
000000
BBDBB6
000000
000000
BBEBB6
000000
000000
BB1BB6
000000
000000
200558
883B38
200AA9
883B39
A8E761
000000
000000
000000
000000
—
A9E761
000000
000000
040100
000000
PROGRAMMING THE PROGRAMMING EXECUTIVE (CONTINUED)
(Hex)
Data
MOV
MOV
MOV
MOV
MOV
MOV
CLR
TBLWTL
NOP
NOP
TBLWTH.B
NOP
NOP
TBLWTH.B
NOP
NOP
TBLWTL
NOP
NOP
TBLWTL
NOP
NOP
TBLWTH.B
NOP
NOP
TBLWTH.B
NOP
NOP
TBLWTL
NOP
NOP
MOV
MOV
MOV
MOV
BSET NVMCON, #15
NOP
NOP
NOP
NOP
Externally time 'P18a' msec
Requirements”)
BCLR NVMCON, #15
NOP
NOP
GOTO 0x100
NOP
#<LSW0>, W0
#<MSB1:MSB0>, W1
#<LSW1>, W2
#<LSW2>, W3
#<MSB3:MSB2>, W4
#<LSW3>, W5
W6
[W6++], [W7]
[W6++], [W7++]
[W6++], [++W7]
[W6++], [W7++]
[W6++], [W7]
[W6++], [W7++]
[W6++], [++W7]
[W6++], [W7++]
#0x55, W8
W8, NVMKEY
#0xAA, W9
W9, NVMKEY
(see
Description
Section 13.0 “AC/DC Characteristics and Timing
© 2010 Microchip Technology Inc.