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MC68340RP16 Datasheet(PDF) 8 Page - Motorola, Inc |
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MC68340RP16 Datasheet(HTML) 8 Page - Motorola, Inc |
8 / 441 page 11/2/95 SECTION 1: OVERVIEW UM Rev 1 MOTOROLA MC68340 USER'S MANUAL vii TABLE OF CONTENTS (Continued) Paragraph Page Number Title Number 4.2.4.2 Global Chip Select Operation ................................................................4-14 4.2.5 External Bus Interface Operation...............................................................4-15 4.2.5.1 Port A...........................................................................................................4-15 4.2.5.2 Port B...........................................................................................................4-16 4.2.6 Low-Power Stop ...........................................................................................4-17 4.2.7 Freeze.............................................................................................................4-17 4.3 Programming Model.........................................................................................4-18 4.3.1 Module Base Address Register (MBAR)...................................................4-20 4.3.2 System Configuration and Protection Registers.....................................4-21 4.3.2.1 Module Configuration Register (MCR)..................................................4-21 4.3.2.2 Autovector Register (AVR).......................................................................4-23 4.3.2.3 Reset Status Register (RSR)...................................................................4-23 4.3.2.4 Software Interrupt Vector Register (SWIV)...........................................4-24 4.3.2.5 System Protection Control Register (SYPCR).....................................4-24 4.3.2.6 Periodic Interrupt Control Register (PICR) ...........................................4-26 4.3.2.7 Periodic Interrupt Timer Register (PITR)...............................................4-27 4.3.2.8 Software Service Register (SWSR) ......................................................4-28 4.3.3 Clock Synthesizer Control Register (SYNCR) ........................................4-28 4.3.4 Chip Select Registers ..................................................................................4-29 4.3.4.1 Base Address Registers ..........................................................................4-30 4.3.4.2 Address Mask Registers ..........................................................................4-31 4.3.4.3 Chip Select Registers Programming Example....................................4-33 4.3.5 External Bus Interface Control....................................................................4-33 4.3.5.1 Port A Pin Assignment Register 1 (PPARA1).......................................4-33 4.3.5.2 Port A Pin Assignment Register 2 (PPARA2).......................................4-34 4.3.5.3 Port A Data Direction Register (DDRA).................................................4-34 4.3.5.4 Port A Data Register (PORTA)................................................................4-34 4.3.5.5 Port B Pin Assignment Register (PPARB) ............................................4-35 4.3.5.6 Port B Data Direction Register (DDRB).................................................4-35 4.3.5.7 Port B Data Register (PORTB, PORTB1) ..............................................4-35 4.4 MC68340 Initialization Sequence.................................................................4-36 4.4.1 Startup ............................................................................................................4-36 4.4.2 SIM40 Module Configuration .....................................................................4-36 4.4.3 SIM40 Example Configuration Code........................................................4-38 Section 5 CPU32 5.1 Overview.............................................................................................................5-1 5.1.1 Features..........................................................................................................5-2 5.1.2 Virtual Memory ..............................................................................................5-2 5.1.3 Loop Mode Instruction Execution ..............................................................5-3 Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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