mc68hc05ct4fn Freescale Semiconductor, Inc, mc68hc05ct4fn Datasheet - Page 6
mc68hc05ct4fn
Manufacturer Part Number
mc68hc05ct4fn
Description
Mc68hc05 Family Of Microcontrollers Mcus
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC05CT4FN.pdf
(142 pages)
- Current page: 6 of 142
- Download datasheet (4Mb)
Table of Contents
General Release Specification
3.1
3.2
3.3
3.4
3.5
3.6
3.7
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
4.11
4.12
5.1
5.2
5.3
5.4
5.4.1
5.4.2
5.4.2.1
5.4.2.2
5.4.2.3
5.4.2.4
5.4.2.5
5.4.3
Freescale Semiconductor, Inc.
For More Information On This Product,
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Accumulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Index Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Condition Code Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Stack Pointer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Program Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
CPU Interrupt Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Reset Interrupt Sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Software Interrupt (SWI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Hardware Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
External Interrupt (IRQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
External Interrupt Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
16-Bit Timer Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
SSI Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Core Timer Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Comparator 3 Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
External Reset (RESET). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Internal Resets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Power-On Reset (POR). . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Computer Operating Properly Reset (COPR) . . . . . . . . . . .46
Illegal Address. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Resetting the COP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
COP During Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . .47
COP During Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . .47
COP Watchdog Timer Considerations . . . . . . . . . . . . . . .47
COP Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Go to: www.freescale.com
Section 3. Central Processing Unit
Table of Contents
Section 4. Interrupts
Section 5. Resets
MC68HC05CT4
—
Rev. 2.0
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