User`s manual

.PFLASH Function

5-76

.PFLASH Function

Name

.PFLASH - Program Flash memory

Code

$0073

Description

The purpose of this TRAP is to program Flash memory under

program control. The address of the packet is passed as an

argument to the function. The address of the packet is passed in the

longword memory location pointed to by the current stack pointer.

The packet contains the necessary arguments/data to program the

Flash memory.

Entry Conditions

R03 ==> Address: Starting address of control packet word

Exit Conditions Different From Entry

None

Format of Flash Memory Control Packet

The Flash Memory Control Packet must be word (32 bit) aligned.

31 24 23 16 15 8 7 0

$00 Status Word Control Word

$04 Source Starting Address

$08 Number of Bytes to Program

$0C Destination Starting Address

$10 Instruction Execution Address