Figure
Title
Page
LIST OF FIGURES
M68HC11
REFERENCE MANUAL
LIST OF FIGURES
MOTOROLA
xi
1-1
1-2
1-3
Block Diagram ................................................................................................1-3
M68HC11 Programmer’s Model .....................................................................1-4
Part Numbering ..............................................................................................1-5
2-1
2-2
2-3
2-4
2-5
2-6
2-7
2-8
2-9
2-10
2-11
2-12
2-13
2-14
2-15
2-16
2-17
2-18
2-19
2-20
2-21
2-22
2-23
2-24
MC68HC11A8 Pin Assignments ....................................................................2-2
MC68HC11D3/711D3 Pin Assignments .........................................................2-3
MC68HC11E9/711E9 Pin Assignments (52-Pin PLCC) .................................2-4
MC68HC811E2 Pin Assignments (48-Pin DIP) ..............................................2-5
MC68HC11F1 Pin Assignments (68-Pin PLCC) ............................................2-6
MC68HC24 Pin Assignments .........................................................................2-7
Reduced IDD MODA/LIR Connections ........................................................2-10
RAM Standby MODB/V
STBY
Connections ....................................................2-11
High-Frequency Crystal Connections ...........................................................2-12
Low-Frequency Crystal Connections ...........................................................2-12
Crystal Layout Example ...............................................................................2-13
Reset Circuit Example ..................................................................................2-17
Low-Pass Filter for A/D Reference Pins .......................................................2-19
CMOS Inverter .............................................................................................2-22
Internal Circuitry — Digital Input-Only Pin ....................................................2-25
Internal Circuitry — Analog Input-Only Pin ...................................................2-27
Internal Circuitry — Digital I/O Pin ................................................................2-28
Internal Circuitry — Input/Open-Drain-Output Pin ........................................2-29
Internal Circuitry — Output-Only Pin ............................................................2-29
Internal Circuitry — MODB/V
STBY
Pin ..........................................................2-30
Internal Circuitry — IRQ/V
PPBULK
Pin ..........................................................2-31
Basic Single-Chip-Mode Connections ..........................................................2-32
Basic Expanded Mode Connections (Sheet 1 of 2) ......................................2-35
Basic Expanded Mode Connections (Sheet 2 of 2) ......................................2-36
3-1
3-2
3-3
Schematic for Figure 3-3 (Sheet 1 of 2) .......................................................3-21
Schematic for Figure 3-3 (Sheet 2 of 2) .......................................................3-22
Program to Check/Change CONFIG ............................................................3-23
4-1
4-2
4-3
4-4
4-5
4-6
4-7
4-8
Topological Arrangement of EEPROM Bytes (MC68HC11A8) ......................4-5
Topological Arrangement of Bits in an EEPROM Byte ...................................4-5
Condensed Schematic of EEPROM Array .....................................................4-6
EEPROM Cell Terminology ............................................................................4-7
Erasing an EEPROM Byte .............................................................................4-7
Programming an EEPROM Byte ....................................................................4-8
Reading an EEPROM Byte ............................................................................4-9
Erase-Before-Write Programming Method ...................................................4-24