4-4
DSP56309UM/D MOTOROLA
Core Configuration
Bootstrap Program
4.3
BOOTSTRAP PROGRAM
The bootstrap program is factory-programmed in an internal, 192-word by 24-bit
bootstrap ROM located in program memory space at locations $FF0000Ð$FF00BF. The
bootstrap program can load any Program RAM segment from an external byte-wide
EPROM, the SCI, or the host port. The bootstrap program code is listed in
Bootstrap operating mode descriptions for the DSP56309 are listed in
Table 4-1
DSP56309 Operating Modes
Mode
MODD
MODC
MODB
MODA
Reset Vector
Description
0
0
0
0
0
$C00000
Expanded mode: address
$C00000 is reflected as $00000
on Port A signals A0-A17
1
0 0
0
1
$FF0000
Reserved
2
0 0
1
0
$FF0000
Reserved
3
0 0
1
1
$FF0000
Reserved
4
0 1
0
0
$FF0000
Reserved
5
0 1
0
1
$FF0000
Reserved
6
0
1
1
0
$FF0000
Reserved
7
0
1
1
1
$FF0000
Reserved
8
1
0
0
0
$008000
Expanded mode
9
1
0
0
1
$FF0000
Boot from byte-wide memory
at $D00000
A
1
0
1
0
$FF0000
Boot through SCI
B
1
0
1
1
$FF0000
Reserved
C
1
1
0
0
$FF0000
HI08 boot in ISA mode
D
1
1
0
1
$FF0000
HI08 boot in HC11
non-multiplexed mode
E
1
1
1
0
$FF0000
HI08 boot in 8051
multiplexed bus mode
F
1
1
1
1
$FF0000
HI08 boot in MC68302 mode
Содержание DSP56309
Страница 25: ...xxii DSP56309UM D MOTOROLA Figure D 25 Port E Registers PCRE PRRE PDRE D 39 ...
Страница 30: ...MOTOROLA DSP56309UM D 1 1 SECTION 1 DSP56309 OVERVIEW ...
Страница 47: ...1 18 DSP56309UM D MOTOROLA DSP56309 Overview DSP56309 Architecture Overview ...
Страница 48: ...MOTOROLA DSP56309UM D 2 1 SECTION 2 SIGNAL CONNECTION DESCRIPTIONS ...
Страница 85: ...2 38 DSP56309UM D MOTOROLA Signal Connection Descriptions OnCE JTAG Interface ...
Страница 86: ...MOTOROLA DSP56309UM D 3 1 SECTION 3 MEMORY CONFIGURATION ...
Страница 104: ...MOTOROLA DSP56309UM D 4 1 SECTION 4 CORE CONFIGURATION ...
Страница 124: ...MOTOROLA DSP56309UM D 5 1 SECTION 5 GENERAL PURPOSE I O ...
Страница 125: ...5 2 DSP56309UM D MOTOROLA General Purpose I O 5 1 INTRODUCTION 5 3 5 2 PROGRAMMING MODEL 5 3 ...
Страница 128: ...MOTOROLA DSP56309UM D 6 1 SECTION 6 HOST INTERFACE HI08 ...
Страница 166: ...MOTOROLA DSP56309UM D 7 1 SECTION 7 ENHANCED SYNCHRONOUS SERIAL INTERFACE ESSI ...
Страница 212: ...MOTOROLA DSP56309UM D 8 1 SECTION 8 SERIAL COMMUNICATION INTERFACE SCI ...
Страница 241: ...8 30 DSP56309UM D MOTOROLA Serial Communication Interface SCI GPIO Signals and Registers ...
Страница 242: ...MOTOROLA DSP56309UM D 9 1 SECTION 9 TRIPLE TIMER MODULE ...
Страница 269: ...9 28 DSP56309UM D MOTOROLA Triple Timer Module Timer Operational Modes ...
Страница 270: ...MOTOROLA DSP56309UM D 10 1 SECTION 10 ON CHIP EMULATION MODULE ...
Страница 302: ...MOTOROLA DSP56309UM D 11 1 SECTION 11 JTAG PORT ...
Страница 369: ...C 22 DSP56309UM D MOTOROLA DSP56309 BSDL Listing ...
Страница 370: ...MOTOROLA DSP56309UM D D 1 APPENDIX D PROGRAMMING REFERENCE ...
Страница 405: ......
Страница 409: ......