68HCS12 Datasheet PDF - ETC
| Part Number | 68HCS12 | |
| Description | Address Space | |
| Manufacturers | ETC | |
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EE 308
Spring 2003
68HCS12 Address Space
68HCS12 has 16 address lines
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68HCS12 can address
distinct locations
For 68HCS12, each location holds one byte (eight bits)
68HCS12 can address ¡£¢¥¤ bytes
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68HCS12 can address 64 KB
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EE 308
Spring 2003
68HCS12 ALU
Arithmetic Logic Unit (ALU) is where instructions are executed.
Examples of instructions are arithmetic (add, subtract), logical
(bitwise AND, bitwise OR), and comparison.
68HCS12 has two 8-bit registers for executing instructions. These
registers are called A and B.
For example, the HCS12 can add the 8-bit number stored in B to
the eight-bit number stored in A using the instruction ABA (add
B to A):
AB
COMBINATIONAL
BLOCK
(ADD B TO A)
CONTROL
(0x1806 = ABA)
CLOCK
When the control unit sees the sixteen-bit number 0x1806, it tells
the ALU to add B to A, and store the result into A.
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 68HCS12 electronic component. |
| Information | Total 11 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ 68HCS12.PDF Datasheet ] | |
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