MC68HC05L28B MOTOROLA [Motorola, Inc], MC68HC05L28B Datasheet - Page 15

• Manufacturer Part Number: MC68HC05L28B
• Description: Flexible general-purpose microcomputer
• Manufacturer: MOTOROLA [Motorola, Inc]

Figure
Number
MC68HC05L28
1-1
2-1
2-2
2-3
2-4
2-5
2-6
3-1
4-1
5-1
6-1
6-2
6-3
6-4
6-5
7-1
7-2
7-3
7-4
7-5
7-6
8-1
8-2
8-3
9-1
9-2
10-1
11-1
11-2
12-1
13-1
13-2
A-1
A-2
MC68HC05L28/ MC68HC705L28 block diagram....................................................1-2
RAM bootloader circuit ...........................................................................................2-3
MC68HC705L28 EPROM programming circuit ......................................................2-5
Oscillator connections ............................................................................................2-7
RC connection for external POR ............................................................................2-8
STOP flowchart ......................................................................................................2-11
WAIT flowchart .......................................................................................................2-13
Memory map of the MC68HC05L28 and MC68HC705L28....................................3-2
Standard I/O port structure.....................................................................................4-2
Core timer block diagram........................................................................................5-1
16-bit programmable timer block diagram ..............................................................6-2
Timer state timing diagram for reset .......................................................................6-14
Timer state timing diagram for input capture ..........................................................6-14
Timer state timing diagram for output compare ......................................................6-15
Timer state timing diagram for timer overflow.........................................................6-15
LCD system block diagram.....................................................................................7-1
Voltage level selection ............................................................................................7-3
LCD waveform with 2 backplanes, 1/2 bias ............................................................7-4
LCD waveform with 2 backplanes, 1/3 bias ............................................................7-5
LCD waveform with 3 backplanes ..........................................................................7-6
LCD waveform with 4 backplanes ..........................................................................7-7
I
Clock synchronization.............................................................................................8-5
Example of a typical I
A/D converter block diagram ..................................................................................9-2
Electrical model of an A/D input pin........................................................................9-6
Interrupt flow chart................................................................................................10-4
Programming model .............................................................................................11-1
Stacking order ......................................................................................................11-2
Equivalent test load ..............................................................................................12-2
56-pin SDIP pinout for the MC68HC05L28/ MC68HC705L28...............................13-1
Mechanical dimensions for 56-pin SDIP...............................................................13-2
MC68HC705L28 EPROM programming circuit ..................................................... A-3
56-pin SDIP pinout for the MC68HC705L28 ......................................................... A-6
2
C bus transmission signal diagrams ....................................................................8-3
LIST OF FIGURES
2
C-bus interrupt routine ........................................................8-14
LIST OF FIGURES
TITLE
MOTOROLA
Number
Page
TPG
vii