MCS11 datasheet(28/108 Pages) PADAUK

28 / 108 page

MCS11

ADC-Type Enhanced FPPA

TM Controller

Page 28 of 108

PDK-DS-MCS11_v020 – Apr. 20, 2018

5-3. Program Structure

After power-up, the program starting address of FPP0 is 0x000, 0x001 for FPP1, 0x002 for FPP2, 0x003 for

FPP3, 0x004 for FPP4, 0x005 for FPP5, 0x006 for FPP6 and 0x007 for FPP7. The 0x010 is the entry address

of interrupt service routine, which belongs to FPP0 only. The basic firmware structure for MCS11 is shown as

Fig. 5-3-1, it shows that there are four FPP units are used; the program codes of four FPP units are placed in

one whole program space. Except for the initial addresses of processing units and entry address of interrupt,

the memory location is not specially specified; the program codes of processing unit can be resided at any

location no matter what the processing unit is. After power-up, the fpp0Boot will be executed first, which will

include the system initialization and other FPP units enabled.

Fig. 5-3-1 Program Structure

// Page 1

.romadr 0x00

// Program Begin

goto

fpp0Boot;

goto

fpp1Boot;

goto

fpp2Boot;

goto

fpp3Boot;

//------Interrpt service

Routine----------

.romadr 0x010

pushaf ;

t0sn

intrq.0;

//PA.0 ISR

goto

ISR_PA0;

t0sn

intrq.1;

//PB.0 ISR

//------End of ISR---------

//------ Begin of FPP0 ----------

fpp0Boot :

//--- Initialize FPP0 SP and so

on…

…

fpp0Loop:

…

goto fpp0Loop:

// Page 2

//------ Begin of FPP1 ----------

fpp1Boot :

//--- Initialize FPP1 SP and so on

fpp1Loop:

…

goto fpp1Loop:

//--------- End of FPP1 --------

//------ Begin of FPP2 ----------

fpp2Boot :

//--- Initialize FPP2 SP and so on

fpp2Loop:

…

goto fpp2Loop:

//--------- End of FPP2 --------

//------ Begin of FPP3 ----------

fpp3Boot :

//--- Initialize FPP3 SP and so

on…

…

fpp3Loop:

…

goto fpp3Loop:

//--------- End of FPP3 --------

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