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HC705C9AGRS/D Datasheet(PDF) 6 Page - NXP Semiconductors

Part # HC705C9AGRS/D
Description  General Release Specification
PDF  157 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

HC705C9AGRS/D Datasheet(HTML) 6 Page - NXP Semiconductors

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General Release Specification
MC68HC705C9A — Rev. 2.0
Table of Contents
Section 3. Central Processing Unit
3.1
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
3.2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
3.3
CPU Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
3.3.1
Accumulator (A). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
3.3.2
Index Register (X) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
3.3.3
Program Counter (PC) . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
3.3.4
Stack Pointer (SP). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
3.3.5
Condition Code Register (CCR) . . . . . . . . . . . . . . . . . . . . .44
Section 4. Interrupts
4.1
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
4.2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
4.3
Non-Maskable Software Interrupt (SWI). . . . . . . . . . . . . . . . . .47
4.4
External Interrupt (IRQ or Port B) . . . . . . . . . . . . . . . . . . . . . . .47
4.5
Timer Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
4.6
SCI Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
4.7
SPI Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Section 5. Resets
5.2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
5.3
Power-On Reset (POR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
5.4
RESET Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
5.5
Computer Operating Properly (COP) Reset . . . . . . . . . . . . . . .54
5.6
MC68HC05C9A Compatible COP . . . . . . . . . . . . . . . . . . . . . .54
5.6.1
C9A COP Reset Register . . . . . . . . . . . . . . . . . . . . . . . . . .55
5.6.2
C9A COP Control Register . . . . . . . . . . . . . . . . . . . . . . . . .56
5.7
MC68HC05C12A Compatible COP . . . . . . . . . . . . . . . . . . . . .58
5.8
MC68HC05C12A Compatible COP Clear Register . . . . . . . . .58
5.9
COP During Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
5.10
COP During Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
5.10.1
Clock Monitor Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
5.10.2
STOP Instruction Disable Option . . . . . . . . . . . . . . . . . . . .59
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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