A-6
DSP56309UM/D MOTOROLA
Bootstrap Programs
; 1 - ISA - Dual strobes non-multiplexed bus with negative strobe
; pulses duale positive request
; 2 - HC11 - Single strobe non-multiplexed bus with positive strobe
; pulse single negative request.
; 4 - i8051 - Dual strobes multiplexed bus with negative strobe pulses
; dual negative request.
; 5 - MC68302 - Single strobe non-multiplexed bus with negative strobe
; pulse single negative request.
;========================================================================
MC68302HOSTLD
movep #%0000000000111000,x:M_HPCR
; Configure the following conditions:
; HAP = 0 Negative host acknowledge
; HRP = 0 Negative host request
; HCSP = 0 Negatice chip select input
; HD/HS = 0 Single strobe bus (R/W~ and DS)
; HMUX = 0 Non multiplexed bus
; HASP = 0 (address strobe polarity has no
; meaning in non-multiplexed bus)
; HDSP = 0 Negative data stobes polarity
; HROD = 0 Host request is active when enabled
; spare = 0 This bit should be set to 0 for
; future compatability
; HEN = 0 When the HPCR register is modified
; HEN should be cleared
; HAEN = 1 Host acknowledge is enabled
; HREN = 1 Host requests are enabled
; HCSEN = 1 Host chip select input enabled
; HA9EN = 0 (address 9 enable bit has no
; meaning in non-multiplexed bus)
; HA8EN = 0 (address 8 enable bit has no
; meaning in non-multiplexed bus)
; HGEN = 0 Host GPIO pins are disabled
bra <HI08CONT
OMR1IS0
jset #0,omr,HC11HOSTLD ; If MD:MC:MB:MA=1101, go load from HC11 Host
; If MD:MC:MB:MA=1100, go load from ISA HOST
ISAHOSTLD
movep #%0101000000011000,x:M_HPCR
; Configure the following conditions:
; HAP = 0 Negative host acknowledge
; HRP = 1 Positive host request
; HCSP = 0 Negatice chip select input
; HD/HS = 1 Dual strobes bus (RD and WR)
; HMUX = 0 Non multiplexed bus
; HASP = 0 (address strobe polarity has no
; meaning in non-multiplexed bus)
; HDSP = 0 Negative data stobes polarity
; HROD = 0 Host request is active when enabled
; spare = 0 This bit should be set to 0 for
; future compatability
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 ...
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