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TABLE OF CONTENTS (Continued)
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TABLE OF CONTENTS
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Section 1
Introduction
1.1
General ........................................................................................................
1-1
1.2
Features of the Freescale MC68HC11G5 MCU ............................................
1-1
Section 2
Operating Modes and Signal Description
2.1
Operating Modes .........................................................................................
2-1
2.1.1
Single Chip Operating Mode ..................................................................
2-2
2.1.2
Expanded Non-Multiplexed Operating Mode .........................................
2-2
2.1.3
Bootstrap Operating Mode .....................................................................
2-2
2.1.4
Test Operating Mode ..............................................................................
2-2
2.1.4.1
Factory Test Register (TEST1) .........................................................
2-4
2.2
Signal Description ........................................................................................
2-5
2.2.1
Input Power (VDD) and Ground (VSS) ...................................................
2-5
2.2.2
Reset (RESET) .......................................................................................
2-6
2.2.3
Crystal Driver (XTAL) and External Clock Input (EXTAL) ......................
2-7
2.2.4
E-clock Output (E) ..................................................................................
2-7
2.2.5
Read/Write (R/W) ...................................................................................
2-7
2.2.6
Interrupt Request (IRQ) ..........................................................................
2-7
2.2.7
Non-Maskable Interrupt (XIRQ) ..............................................................
2-7
2.2.8
Halt (HALT) ............................................................................................
2-7
2.2.9
Mode A/Load Instruction Register (MODA/LIR) and Mode B/Standby
Voltage (MODB/Vkam) ...........................................................................
2-8
2.2.10
A/D Converter Reference Voltages (Vrl, Vrh) .........................................
2-8
2.2.11
Port Signals ............................................................................................
2-8
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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