MC68HC705MC4 Datasheet, PDF (6/99 Pages) Motorola, Inc – Microcontrollers

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MC68HC705MC4 Specification Rev. 1.5
LIST OF FIGURES
Block Diagram....................................................................................... 2
Oscillator Connections .......................................................................... 4
User Mode Pinout ................................................................................. 8
Programmer Interface to Host............................................................... 9
Bootloader Flowchart .......................................................................... 10
Programming Circuit ........................................................................... 11
EPROM Programming Register.......................................................... 11
Mask Option Register ......................................................................... 12
STOP/WAIT Flowcharts...................................................................... 15
Reset Block Diagram .......................................................................... 17
COP Watchdog Timer Register .......................................................... 18
Interrupt Processing Flowchart ........................................................... 21
Interrupt Status and Control Register ................................................. 23
Interrupt Hardware Structure .............................................................. 24
User Mode Memory Map .................................................................... 28
I/O and Control Registers Memory Map ............................................. 29
I/O and Control Registers $0000-$000F ............................................. 30
I/O and Control Registers $0010-$001F ............................................. 31
I/O and Control Registers $0020-$002F ............................................. 32
Port A I/O Circuitry .............................................................................. 33
Line Interface Circuitry ........................................................................ 34
Port B I/O Circuitry .............................................................................. 35
Port C I/O Circuitry.............................................................................. 35
Port D Circuitry.................................................................................... 36
A/D Status and Control Register......................................................... 40
A/D Data Register ............................................................................... 42
16-Bit Timer Block Diagram ................................................................ 44
Timer Registers (TMRH / TMRL) ........................................................ 45
Alternate Counter Registers (ACRH / ACRL) ..................................... 45
State Timing Diagram for Timer Overflow........................................... 45
Output Compare Registers (OCRH / OCRL) ...................................... 46
Output Compare Software Initialization Example ............................... 47
MOTOROLA
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