Freescale Semiconductor
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1. pin you can statically select either 8 or 16 bit modes for data transfer Asynchronous Bus Control Asynchronous data transfers are handled using the following control signals address strobe AS read write R W upper and lower data strobes UDS LDS and data transfer acknowledge DTACK The address strobe signal indicates there is a valid address on the address bus Read write defines the data bus transfer as a read or write cycle The data strobes control the flow of data on the data bus and the data transfer acknowledge indicates that the data transfer is complete Bus Arbitration Control In multiple bus master systems the bus arbitration circuit determines which device will be the bus master The bus request BR indicates that an external device requires bus mastership A bus grant BG indicates to all other potential bus master devices that the controller will release bus control at the end of the current bus cycle MC68SEC000 PRODUCT INFORMATION MOTOROLA For More Information On This Product Go to www freescale com Freescale Semiconductor Inc Interrupt Control The MC68SEC000 provides seven levels of interrupts The interrupt priority level IPL2 IPL1 IPLO inputs determine the priority level Level 7 is nonmaskable and is the highest priority interrupt Automatic vectoring based on IPL inputs is available with the autovector AVEC input System Control The system control inputs include the RESE2. they can rely on existing M68000 Family code and a broad base of established development tools The MC68SEC000 will be available in two small footprint packages the 64 lead plastic Quad Flat Pack and the 64 lead Thin Quad Flat Pack The Thin Quad Flat Pack provides a very small package footprint 10 0mm x 10 0mm making it an ideal choice for portable applications The primary features of the MC68SEC000 embedded processor include the following e Direct Replacement for the MC68EC000 Pin for pin compatibility with the MC68EC000 in the plastic QFP package Vast selection of existing third party development tools for the MC68ECO000 support the MC68SEC000 Software written for the MC68ECO000 will run unchanged on the MC68SECO000 e Power Management Low power HCMOS technology Static design allows for stopping the processor clock 3 3V or 5V operation Typical 0 5uA current consumption at 3 3V in sleep mode This document contains information on a product under development Motorola reserves the right to change or discontinue this product without notice tee SEMICONDUCTOR PRODUCT INFORMATION 1996 Motorola Inc All Rights Reserved For More Information On This Product Go to www freescale com Freescale Semiconductor Inc Architecture Eight 32 bit address registers Eight 32 bit data registers 16 Mbyte linear addressing range 56 powerful instruction types Operations on five
3. ATION The documents listed in the following table contain detailed information that pertain to the MC68SECO00 processor These documents can be obtained from the Literature Distribution Centers at the addresses listed on the last page of this document MC68SEC000 DOCUMENTATION MC68SEC000 DOCUMENTATION DOCUMENT NUMBER AVAILABILITY M68000 Family Programmer s Reference Manual M68000 User s Manual Revision 8 M68000UM AD Now Addendum to M68000 8 16 32 Bit Microprocessor Users Manual Revision 8 High Performance Embedded Systems Source Catalog Revision 4 M68000PM AD Now M68000UMAD AD Now BR729 D Rev 4 Now Motorola reserves the right to make changes without further notice to any products herein Motorola makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does Motorola assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation consequential or incidental damages Typical parameters can and do vary in different applications All operating parameters including Typicals must be validated for each customer application by customer s technical experts Motorola does not convey any license under its patent rights nor the rights of others Motorola products are not designed intended or authorized for use as components in systems intended for surgic
4. Freescale Semiconductor Inc MOTOROLA Orr ean Communications and Advanced Consumer Technologies Group MC68SEC000 Product Brief MC68SEC000 Microprocessor INTRODUCTION The MC68SEC000 is a cost effective static embedded processor engineered for low power applications In addition to providing the substantial cost and performance benefits of the MC68EC000 the low power mode of the MC68SEC000 provides significant advantages in power consumption and power management The typical current consumption of the MC68SEC000 is only 0 5uA in static standby mode and 15 0mA in normal 3 3V operation The MC68SEC000 operates in either 3 3V or 5 0V systems The remarkably low power consumption small footprint packages and static implementation are combined in the MC68SECO000 for low power applications such as personal digital assistants portable measuring equipment electronic games and battery operated hand held consumer products The HCMOS MC68SEC000 static architecture is a direct replacement for the MC68ECO000 which offers the lowest cost entry point to 32 bit processing The internal 32 bit architecture provides fast and efficient processing that satisfies the requirements of sophisticated applications based on high level languages In addition to being pin for pin compatible with the MC68ECO00 the MC68SEC000 is object code compatible with any member of the M68000 Family Complete code compatibility lets system designers reduce time to market because
5. T HALT BERR and MODE signals These signals can reset or halt the controller indicate to the controller that a bus error has occurred and select from 8 or 16 bit operating mode Processor Status FC2 FC1 FCO These active high three state function code outputs indicate the mode user or supervisor and the address space currently being accessed The function code outputs are valid whenever AS is active PACKAGE DIAGRAM The following package diagram applies to both the plastic QFP and TQFP packages of the MC68SECO000 D12 D13 D14 D15 A23 A22 A21 MC68SEC000 he A19 A18 A17 A16 A15 A14 A13 64 LEAD QFP and TQFP Figure 3 MC68SEC000 Package Diagram MOTOROLA MC68SEC000 PRODUCT INFORMATION 5 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc ORDERING INFORMATION The following table contains the ordering information for the MC68SECOO0 MC68SEC000 Ordering Information PACKAGE BODY SIZE LEAD SPACING SPEED VOLTAGE SUFFIX TEMPERATURE 14 0 mm X 14 0mm FU 0C to 70C 10 16 20 MHz 3 3Vor5 ov CFU 40C to 850 10 0mm x 10 0mm PB CEAC CPB 40C to 85C DEVELOPER TOOLS All of the existing third party developer tools widely available for the MC68EC00O0 will directly support the MC68SECO00 You can find detailed descriptions of these tools in the High Performance Embedded Systems Source Catalog Revision 4 DOCUMENT
6. al implant into the body or other applications intended to support or sustain life or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur Should Buyer purchase or use Motorola products for any such unintended or unauthorized application Buyer shall indemnify and hold Motorola and its officers employees subsidiaries affiliates and distributors harmless against all claims costs damages and expenses and reasonable attorney fees arising out of directly or indirectly any claim of personal injury or death associated with such unintended or unauthorized use even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part Motorola and are registered trademarks of Motorola Inc Motorola Inc is an Equal Opportunity Affirmative Action Employer Literature Distribution Centers USA EUROPE Motorola Literature Distribution P O Box 20912 Arizona 85036 JAPAN Nippon Motorola Ltd 4 32 1 Nishi Gotanda Shinagawa ku Tokyo 141 Japan ASIA PACIFIC Motorola Semiconductors H K Ltd Silicon Harbour Center No 2 Dai King Street Tai Po Industrial Estate Tai Po N T Hong Kong E SFif CONDUCTOR PRODUCT INFORMATION m For More Information On This Product Go to www freescale com Freescale Semiconductor Inc Motorola reserves the right to make changes without further notice to any products herein Mot
7. main data types Memory mapped I O 14 addressing modes Software Strength Fully upward object code compatible with other M68000 Family products M68000 architecture allows effective assembly code with a C compiler Available Packages 64 pin plastic Quad Flat Pack QFP 64 pin Thin Quad Flat Pack TQFP Speed 10 16 20 MHz Upgrade Fully upward code compatible with higher performance 680x0 and 68300 Family members ColdFire code compatible with minor modifications MC68SEC000 PRODUCT INFORMATION MOTOROLA For More Information On This Product Go to www freescale com Freescale Semiconductor Inc OVERVIEW Figure 1 is a block diagram of the MC68SEC000 embedded processor This processor provides a 24 bit address bus and a statically selectable 8 or 16 bit data bus sixteen 32 bit registers and seven interrupt levels PREFETCH DECODE gt 24 BIT ADDRESS BUS BUS c gt conreceR M gt 16BIT DATA BUS EXECUTION aN m CONTROL Figure 1 Block Diagram of MC68SEC000 HARDWARE SOFTWARE COMPATIBILITY The MC68SEC000 embedded processor is hardware compatible with the MC68EC000 object code compatible with the MC68EC000 and upward compatible with all members of the M68000 Family Object code compatibility with the M68000 enables code written for the MC68SECO00 to be migrated without modification to any member of the M68000 Family LOW POWER MODE The MC68SEC000 p
8. ody or other applications intended to support or sustain life or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur Should Buyer purchase or use Motorola products for any such unintended or unauthorized application Buyer shall indemnify and hold Motorola and its officers employees subsidiaries affiliates and distributors harmless against all claims costs damages and expenses and reasonable attorney fees arising out of directly or indirectly any claim of personal injury or death associated with such unintended or unauthorized use even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part Motorola and are registered trademarks of Motorola Inc Motorola Inc is an Equal Opportunity Affirmative Action Employer Literature Distribution Centers USA EUROPE Motorola Literature Distribution P O Box 20912 Arizona 85036 JAPAN Nippon Motorola Ltd 4 32 1 Nishi Gotanda Shinagawa ku Tokyo 141 Japan ASIA PACIFIC Motorola Semiconductors H K Ltd Silicon Harbour Center No 2 Dai King Street Tai Po Industrial Estate Tai Po N T Hong Kong TT SEMICONDUCTOR PRODUCT INFORMATION mem For More Information On This Product Go to www freescale com
9. orola makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does Motorola assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation consequential or incidental damages Typical parameters can and do vary in different applications All operating parameters including Typicals must be validated for each customer application by customer s technical experts Motorola does not convey any license under its patent rights nor the rights of others Motorola products are not designed intended or authorized for use as components in systems intended for surgical implant into the body or other applications intended to support or sustain life or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur Should Buyer purchase or use Motorola products for any such unintended or unauthorized application Buyer shall indemnify and hold Motorola and its officers employees subsidiaries affiliates and distributors harmless against all claims costs damages and expenses and reasonable attorney fees arising out of directly or indirectly any claim of personal injury or death associated with such unintended or unauthorized use even if such claim alleges that Motorola was negligent regarding the design or manufacture of the pa
10. rovides static low power operation While in low power mode power consumption is reduced to its quiescent value while maintaining the internal state of the processor The recommended method for placing the MC68SEC000 into low power mode is described in Addendum to M68000 8 16 32 Bit Microprocessor Users Manual M68000 UMAD AD SIGNAL DESCRIPTION Figure 2 shows the functional signal groups for the MC68SECOO0 These groups are briefly described in the following paragraphs MOTOROLA MC68SEC000 PRODUCT INFORMATION 3 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc Voc A23 A0 gt ADDRESS BUS yj f ee DATA BUS Fen E ee lt gt PROCESSOR __ FCI a 2 ASYNCHRONOUS STATUS maT UDS BUS CONTROL eE LDS __DTACK MC68SEC000 pes lt __BUS ARBITRATION BG CONTROL __BERR Pa RESET ag nent ee system ESE PE __ INTERRUPT CONTROL HALT lt CONTROL MODE AVEC lt Figure 2 Functional Signal Groups Address Bus A23 A0 This 24 bit unidirectional three state bus can address 16 Mbytes of data It provides the address for bus operation during all cycles except interrupt cycles During interrupt cycles A3 A2 and A1 reflect the level of the interrupt being serviced while A23 A4 and AO are set to a logic high Data Bus D15 D0 This 16 bit bidirectional three state bus is the general purpose data path Using the mode
11. rt Motorola and are registered trademarks of Motorola Inc Motorola Inc is an Equal Opportunity Affirmative Action Employer Literature Distribution Centers USA EUROPE Motorola Literature Distribution P O Box 20912 Arizona 85036 JAPAN Nippon Motorola Ltd 4 32 1 Nishi Gotanda Shinagawa ku Tokyo 141 Japan ASIA PACIFIC Motorola Semiconductors H K Ltd Silicon Harbour Center No 2 Dai King Street Tai Po Industrial Estate Tai Po N T Hong Kong TT SEMICONDUCTOR PRODUCT INFORMATION mem For More Information On This Product Go to www freescale com Freescale Semiconductor Inc Motorola reserves the right to make changes without further notice to any products herein Motorola makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does Motorola assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation consequential or incidental damages Typical parameters can and do vary in different applications All operating parameters including Typicals must be validated for each customer application by customer s technical experts Motorola does not convey any license under its patent rights nor the rights of others Motorola products are not designed intended or authorized for use as components in systems intended for surgical implant into the b
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