MC68S11PH8CFN4 datasheet(10/264 Pages) FREESCALE

Part #	MC68S11PH8CFN4

Description	High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

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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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MC68S11PH8CFN4 Datasheet(PDF) 10 Page - Freescale Semiconductor, Inc

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