MC68HLC908QY4
MC68HLC908QT4
MC68HLC908QY2
MC68HLC908QT2
MC68HLC908QY1
MC68HLC908QT1
Data Sheet
M68HC08
Microcontrollers
MC68HLC908QY4/D
Rev. 3
07/2005
freescale.com
MC68HLC908QY4
MC68HLC908QT4
MC68HLC908QY2
MC68HLC908QT2
MC68HLC908QY1
MC68HLC908QT1
Data Sheet
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© Freescale Semiconductor, Inc., 2004. All rights reserved.
MC68HLC908QY/QT Family Data Sheet, Rev. 3
Freescale Semiconductor
3
Revision History
The following revision history table summarizes changes contained in this document. For your
convenience, the page number designators have been linked to the appropriate location.
Revision History
Date
August,
2003
Revision
Level
N/A
Initial release
Figure 2-2. Control, Status, and Data Registers Deleted unimplemented areas
from $FFB0–$FFBD and $FFC2–$FFCF as they are actually available. Also
corrected $FFBF designation from unimplemented to reserved.
Figure 6-1. COP Block Diagram — Reworked for clarity
October,
2003
6.3.2 STOP Instruction — Added subsection for STOP instruction
1.0
13.4.2 Active Resets from Internal Sources — Reworked notes for clarity.
15.3 Monitor Module (MON) — Clarified seventh bullet.
16.5 DC Electrical Characteristics — Corrected notes 4 and 5.
16.6 Control Timing — Updated values for RST input pulse width low and IRQ
interrupt pulse width low
Figure 2-2. Control, Status, and Data Registers — Corrected reset state for the
FLASH Block Protect Register at address location $FFBE and the Internal
Oscillator Trim Value at $FFC0.
Figure 2-5. FLASH Block Protect Register (FLBPR) — Restated reset state for
clarity.
Reformatted to meet current documentation standards
Chapter 7 Central Processor Unit (CPU)
— In
7.7 Instruction Set Summary:
Reworked definitions for STOP instruction
Added WAIT instruction
13.8.1 SIM Reset Status Register
— Clarified SRSR flag setting.
14.9.1 TIM Status and Control Register
— Added information to TSTOP note.
17.3 Package Dimensions
— Updated package information.
Description
Page
Number(s)
N/A
26
57
58
115
154
169
170
30
January,
2004
2.0
37
Throughout
70
71
117
127
163
July,
2005
3.0
MC68HLC908QY/QT Family Data Sheet, Rev. 3
4
Freescale Semiconductor
List of Chapters
Chapter 1 General Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Chapter 2 Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Chapter 3 Analog-to-Digital Converter (ADC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Chapter 4 Auto Wakeup Module (AWU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Chapter 5 Configuration Register (CONFIG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Chapter 6 Computer Operating Properly (COP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Chapter 7 Central Processor Unit (CPU). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Chapter 8 External Interrupt (IRQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Chapter 9 Keyboard Interrupt Module (KBI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Chapter 10 Low-Voltage Inhibit (LVI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Chapter 11 Oscillator Module (OSC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Chapter 12 Input/Output Ports (PORTS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Chapter 13 System Integration Module (SIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Chapter 14 Timer Interface Module (TIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Chapter 15 Development Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Chapter 16 Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Chapter 17 Ordering Information and Mechanical Specifications . . . . . . . . . . . . . . . . . . 163
MC68HLC908QY/QT Family Data Sheet, Rev. 3
Freescale Semiconductor
5
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