MC68HC708AS48 FREESCALE [Freescale Semiconductor, Inc], MC68HC708AS48 Datasheet - Page 7
MC68HC708AS48
Manufacturer Part Number
MC68HC708AS48
Description
Advance Information
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC708AS48.pdf
(396 pages)
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MC68HC708AS48
MOTOROLA
—
Rev. 4.0
6.4.7
6.4.8
6.4.8.1
6.4.8.2
7.1
7.2
7.3
7.4
7.4.1
7.4.2
7.4.3
7.4.4
7.4.5
7.5
7.6
7.7
7.8
8.1
8.2
8.3
8.4
8.4.1
8.4.2
8.4.2.1
8.4.2.2
8.4.2.3
8.4.2.4
8.4.2.5
8.4.3
8.4.4
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
CPU Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Arithmetic/Logic Unit (ALU) . . . . . . . . . . . . . . . . . . . . . . . . . . .87
CPU During Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . .87
Instruction Set Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
Opcode Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
Section 8. Clock Generator Module (CGM)
EEPROM Non-Volatile Register and
Low-Power Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
Accumulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Index Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Stack Pointer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Program Counter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Condition Code Register . . . . . . . . . . . . . . . . . . . . . . . . . . .85
Crystal Oscillator Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . .99
Phase-Locked Loop Circuit (PLL) . . . . . . . . . . . . . . . . . . .101
Base Clock Selector Circuit. . . . . . . . . . . . . . . . . . . . . . . .107
CGM External Connections. . . . . . . . . . . . . . . . . . . . . . . .108
Section 7. Central Processor Unit (CPU)
Wait Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
Stop Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Acquisition and Tracking Modes . . . . . . . . . . . . . . . . . .103
Manual and Automatic PLL Bandwidth Modes . . . . . . .103
Programming the PLL . . . . . . . . . . . . . . . . . . . . . . . . . .105
Special Programming Exceptions . . . . . . . . . . . . . . . . .107
EEPROM Array Configuration Register . . . . . . . . . . . . .76
Table of Contents
Table of Contents
Table of Contents
7
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