DSPIC30F1010-30I/SP【PDF 18/66 页】IC DSPIC MCU/DSP 6K 28DIP

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2010 Microchip Technology Inc.

DS70102K-page 25

dsPIC30F Flash Programming Specification

8.5

Command Descriptions

All commands that are supported by the programming

executive are described in Section 8.5.1 “SCHECK

Command”

through

Section 8.5.11

“QVER

Command”.

8.5.1

SCHECK COMMAND

12 11

Opcode

Length

Field

Description

Opcode

0x0

Length

0x1

The SCHECK command instructs the programming

executive to do nothing, but generate a response. This

command is used as a “sanity check” to verify that the

programming executive is operational.

Expected Response (2 words):

0x1000

0x0002

Note:

This instruction is not required for

programming,

but

provided

for

development purposes only.

8.5.2

READD COMMAND

12 11

8 7

Opcode

Length

Reserved0

Reserved1

Addr_MSB

Addr_LS

Field

Description

Opcode

0x1

Length

0x4

Reserved0

0x0

Number of 16-bit words to read

(max of 2048)

Reserved1

0x0

Addr_MSB

MSB of 24-bit source address

Addr_LS

LS 16 bits of 24-bit source address

The READD command instructs the programming

executive to read N 16-bit words of memory starting

from the 24-bit address specified by Addr_MSB and

Addr_LS. This command can only be used to read

16-bit data. It can be used to read data EEPROM,

Configuration registers and the device ID.

Expected Response (2+N words):

0x1100

N + 2

Data word 1

...

Data word N

Note:

Reading unimplemented memory will

cause the programming executive to

reset.

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