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Section
1
1.1
1.2
1.3
2
2.1
2.2
2.3
3
3.1
3.2
4
4.1
4.2
4.3
5
5.1
5.2
6
6.1
6.2
6.3
6.4
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
8
8.1
8.2
9
9.1
9.2
10
10.1
10.2
11
11.1
11.2
11.3
12
12.1
12.2
13
13.1
13.2
Page
MOTOROLA
4
MC68HC11F1/FC0
MC68HC11FTS/D
Introduction
Features ......................................................................................................................................1
Ordering Information ...................................................................................................................2
Block Diagrams ..........................................................................................................................6
Pin Assignments and Signal Descriptions
MC68HC11F1 Pin Assignments ..................................................................................................8
MC68HC11FC0 Pin Assignments .............................................................................................10
Pin Descriptions ........................................................................................................................12
Control Registers
MC68HC11F1 Control Registers ...............................................................................................14
MC68HC11FC0 Control Registers ............................................................................................16
Operating Modes and System Initialization
Operating Modes .......................................................................................................................18
Memory Maps ............................................................................................................................19
System Initialization Registers ..................................................................................................20
Resets and Interrupts
Interrupt Sources .......................................................................................................................25
Reset and Interrupt Registers ...................................................................................................26
Electrically Erasable Programmable ROM
EEPROM Operation ..................................................................................................................29
EEPROM Registers ...................................................................................................................29
EEPROM Programming and Erasure ........................................................................................31
CONFIG Register Programming ...............................................................................................32
Parallel Input/Output
Port A ........................................................................................................................................33
Port B ........................................................................................................................................33
Port C ........................................................................................................................................33
Port D ........................................................................................................................................33
Port E ........................................................................................................................................33
Port F .........................................................................................................................................33
Port G ........................................................................................................................................34
Parallel I/O Registers ................................................................................................................34
Chip-Selects
Chip-Select Operation ...............................................................................................................38
Chip-Select Registers ................................................................................................................38
Serial Communications Interface (SCI)
SCI Block Diagrams ..................................................................................................................42
SCI Registers ............................................................................................................................44
Serial Peripheral Interface
SPI Block Diagram ....................................................................................................................49
SPI Registers ............................................................................................................................50
Analog-to-Digital Converter
Input Pins ..................................................................................................................................54
Conversion Sequence ...............................................................................................................54
A/D Registers ............................................................................................................................55
Main Timer
Timer Operation ........................................................................................................................57
Timer Registers .........................................................................................................................59
Pulse Accumulator
Pulse Accumulator Block Diagram ............................................................................................64
Pulse Accumulator Registers ....................................................................................................64
1
8
14
18
25
29
33
38
42
49
53
57
64
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