PROGRAMMING THE NONVOLATILE MEMORY

 

 

From Address/

 

 

 

Command Decoder

 

 

Yes

Lock Bits

 

 

 

Enabled

 

 

 

?

 

 

 

No

 

 

 

Get Data

 

 

 

from OPTROM

 

 

 

PROG#

No

 

 

(P2.2) = 0

 

 

 

?

 

 

 

Yes

 

 

 

Write Data

 

 

 

to PBUS

 

 

No

PROG#

 

 

 

(P2.2) = 1

 

 

 

?

 

 

 

Yes

 

 

 

Write 0FFFFH

 

 

 

to PBUS

 

To Address/

Yes

PALE#

 

Command Decoder

 

(P2.1) = 0

 

 

 

?

 

 

 

No

 

 

 

AINC#

No

 

 

(P2.4) = 0

 

 

 

?

 

 

 

Yes

 

 

 

Increment

 

 

 

Address by 2

 

A0189-03

Figure 16-10. Dump Word Routine

16-23

Page 376
Image 376
Intel 8XC196MH, 8XC196MD, 8XC196MC manual Dump Word Routine