MC68HC908GR60A
MC68HC908GR48A
MC68HC908GR32A
Data Sheet
M68HC08
Microcontrollers
MC68HC908GR60A
Rev. 5
04/2007
freescale.com
MC68HC908GR60A
MC68HC908GR48A
MC68HC908GR32A
Data Sheet
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MC68HC908GR60A • MC68HC908GR48A • MC68HC908GR32A Data Sheet, Rev. 5
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
April, 2004
July, 2004
Revision
Level
N/A
1
Initial release
9.7.3 Keyboard Interrupt Polarity Register — Corrected description of
KBIP7–KBIP0.
Table 13-6. ESCI LIN Control Bits — Corrected Functionality definitions
June, 2005
2
13.9.1 ESCI Arbiter Control Register — Corrected definition for ACLK bit.
13.9.3 Bit Time Measurement — Corrected description of ACLK bit.
March, 2006
3
10.5 Clock Generator Module (CGM) — Updated description to remove
erroneous information.
Added 1.5.15 Unused Pin Termination
12.1 Introduction — Replaced note
Table 13-6. ESCI LIN Control Bits — Corrected functionality column.
The following sections were updated to show that a break interrupt inhibits
input captures:
17.6 TIM1 During Break Interrupts
18.6 TIM2 During Break Interrupts
19.2.1.2 TIM During Break Interrupts
Figure 19-10. Normal Monitor Mode Circuit and Figure 19-11. Forced Monitor
Mode — Changed capacitor values
20.5 5.0-Vdc Electrical Characteristics — Updated minimum value for
low-voltage inhibit, trip rising voltage (V
TRIPR
).
20.9.1 CGM Component Specifications — Updated values for feedback bias
resistor
Figure 2-2. Control, Status, and Data Registers
— Replaced TBMCLKSEL
with TMBCLKSEL to be compatible with development tool nomenclature
Chapter 5 Configuration Register (CONFIG)
— Replaced COPCLK with
CGMXCLK
10.6.2 Stop Mode
— Replaced COPCLK with CGMXCLK
Figure 13-3. ESCI Module Block Diagram
— Changed BUS_CLK to Bus
Clock and deleted reference to 4x BUSCLK
13.4.2 Transmitter
— Changed ESCIBDSRC to SCIBDSRC
April, 2007
5
13.9.1 ESCI Arbiter Control Register
and
13.9.3 Bit Time Measurement
—
Replaced one quarter with one half in the definition for ACLK = 1
Chapter 16 Timebase Module (TBM)
— Replaced TBMCLKSEL with
TMBCLKSEL to be compatible with development tool nomenclature
20.5 5.0-Vdc Electrical Characteristics
and
20.6 3.3-Vdc Electrical
Characteristics
— Updated tables
20.9 Clock Generation Module (CGM) Characteristics
— Updated section to
include the following:
20.9.1 CGM Operating Conditions
20.9.2 CGM Component Information
20.9.3 CGM Acquisition/Lock Time Information
MC68HC908GR60A • MC68HC908GR48A • MC68HC908GR32A Data Sheet, Rev. 5
4
Freescale Semiconductor
Description
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Number(s)
N/A
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122
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July, 2006
4
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269
279
284
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90
89
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List of Chapters
Chapter 1 General Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Chapter 2 Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Chapter 3 Analog-to-Digital Converter (ADC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Chapter 4 Clock Generator Module (CGM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Chapter 5 Configuration Register (CONFIG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Chapter 6 Computer Operating Properly (COP) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Chapter 7 Central Processor Unit (CPU). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Chapter 8 External Interrupt (IRQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Chapter 9 Keyboard Interrupt Module (KBI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Chapter 10 Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Chapter 11 Low-Voltage Inhibit (LVI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Chapter 12 Input/Output (I/O) Ports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Chapter 13 Enhanced Serial Communications Interface (ESCI) Module . . . . . . . . . . . . . 151
Chapter 14 System Integration Module (SIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Chapter 15 Serial Peripheral Interface (SPI) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Chapter 16 Timebase Module (TBM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Chapter 17 Timer Interface Module (TIM1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .225
Chapter 18 Timer Interface Module (TIM2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .241
Chapter 19 Development Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Chapter 20 Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
Chapter 21 Ordering Information and Mechanical Specifications . . . . . . . . . . . . . . . . . . 295
Appendix A MC68HC908GR48A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305
Appendix B MC68HC908GR32A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
MC68HC908GR60A • MC68HC908GR48A • MC68HC908GR32A Data Sheet, Rev. 5
Freescale Semiconductor
5
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