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MC68S11PH8CFN4 Datasheet(PDF) 10 Page - Freescale Semiconductor, Inc |
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MC68S11PH8CFN4 Datasheet(HTML) 10 Page - Freescale Semiconductor, Inc |
10 / 264 page MOTOROLA ii MC68HC11PH8 TABLE OF CONTENTS Paragraph Number Page Number Title 3 OPERATING MODES AND ON-CHIP MEMORY 3.1 Operating modes ...................................................................................................3-1 3.1.1 Single chip operating mode .............................................................................3-1 3.1.2 Expanded operating mode...............................................................................3-1 3.1.3 Special test -mode ...........................................................................................3-2 3.1.4 Special bootstrap mode ...................................................................................3-2 3.2 On-chip memory....................................................................................................3-3 3.2.1 Mapping allocations .........................................................................................3-4 3.2.1.1 RAM ...........................................................................................................3-4 3.2.1.2 ROM and EPROM......................................................................................3-5 3.2.1.3 Bootloader ROM ........................................................................................3-5 3.2.2 Registers..........................................................................................................3-5 3.3 System initialization ...............................................................................................3-10 3.3.1 Mode selection.................................................................................................3-10 3.3.1.1 HPRIO — Highest priority I-bit interrupt & misc. register ...........................3-11 3.3.2 Initialization ......................................................................................................3-12 3.3.2.1 CONFIG — System configuration register .................................................3-12 3.3.2.2 INIT — RAM and I/O mapping register ......................................................3-14 3.3.2.3 INIT2 — EEPROM mapping and MI BUS delay register............................3-16 3.3.2.4 OPTION — System configuration options register 1..................................3-17 3.3.2.5 OPT2 — System configuration options register 2 ......................................3-18 3.3.2.6 BPROT — Block protect register................................................................3-21 3.3.2.7 TMSK2 — Timer interrupt mask register 2.................................................3-22 3.4 EPROM, EEPROM and CONFIG register .............................................................3-23 3.4.1 EPROM............................................................................................................3-23 3.4.1.1 EPROG — EPROM programming control register.....................................3-23 3.4.1.2 EPROM programming ................................................................................3-24 3.4.2 EEPROM .........................................................................................................3-25 3.4.2.1 PPROG — EEPROM programming control register ..................................3-25 3.4.2.2 EEPROM bulk erase ..................................................................................3-27 3.4.2.3 EEPROM row erase ...................................................................................3-28 3.4.2.4 EEPROM byte erase ..................................................................................3-28 3.4.3 CONFIG register programming........................................................................3-29 3.4.4 RAM and EEPROM security ............................................................................3-30 4 PARALLEL INPUT/OUTPUT 4.1 Port A.....................................................................................................................4-2 4.1.1 PORTA — Port A data register ........................................................................4-2 4.1.2 DDRA — Data direction register for port A .....................................................4-2 TPG 8 |
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