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SST89C58-33-C-PJ Datasheet(PDF) 2 Page - Silicon Storage Technology, Inc |
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SST89C58-33-C-PJ Datasheet(HTML) 2 Page - Silicon Storage Technology, Inc |
2 / 50 page 2 © 2000 Silicon Storage Technology, Inc. 344-2 8/00 FlashFlex51 MCU SST89C54 / SST89C58 Preliminary Specifications TABLE OF CONTENTS PRODUCT FEATURES ......................................................................................................................................... 1 PRODUCT DESCRIPTION .................................................................................................................................... 1 FUNCTIONAL BLOCKS ......................................................................................................................................... 4 Functional Block Diagram ............................................................................................................................... 4 PIN ASSIGNMENTS .............................................................................................................................................. 5 Pin Descriptions .............................................................................................................................................. 6 MEMORY ORGANIZATION ................................................................................................................................... 8 Program Memory ............................................................................................................................................ 8 Memory Re-Mapping ..................................................................................................................................... 10 Activation and Deactivation of Memory Re-Mapping ............................................................................... 11 Data Memory ................................................................................................................................................ 13 Special Function Registers (SFR) ................................................................................................................. 13 CPU Related SFRs .................................................................................................................................. 13 Flash Memory Programming SFRs .......................................................................................................... 14 Watchdog Timer SFRs ............................................................................................................................ 17 Timer/Counters SFRs .............................................................................................................................. 18 Interface SFRs ......................................................................................................................................... 18 FLASH MEMORY PROGRAMMING .................................................................................................................... 18 External Host Programming Mode ................................................................................................................ 18 Product Identification ............................................................................................................................... 20 External Host Mode Commands .............................................................................................................. 20 External Host Mode Clock Source ........................................................................................................... 21 Arming Command .................................................................................................................................... 21 Programming a SST89C54/58 ................................................................................................................. 21 Flash Operation Status Detection (Ext. Host Handshake) ....................................................................... 22 In-Application Programming Mode ................................................................................................................ 26 In-Application Programming Mode Clock Source ..................................................................................... 26 IAP Enable Bit ......................................................................................................................................... 26 In-Application Programming Mode Commands ........................................................................................26 Polling ...................................................................................................................................................... 29 Interrupt Temination ................................................................................................................................. 30 TIMERS/COUNTERS ........................................................................................................................................... 31 |
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