USER’S MANUAL
T
ABLE OF CONTENTS
Chapter Title and Subsections Page
UM001601-0803 iii
Chapter 1. Z8 MCU Product Overview
Z8 MCU Family Overview
Key Product Line Features .................................................................................................. 1-1
Product Development Support ............................................................................................. 1-3
Chapter 2. Address Space
Introduction ................................................................................................................................. 2-1
Z8 MCU Standard Register File ..................................................................................................2-1
General-Purpose Registers ................................................................................................. 2-2
RAM Protect ......................................................................................................................... 2-2
Working Register Groups ..................................................................................................... 2-2
Error Conditions ................................................................................................................... 2-4
Z8 Expanded Register File ....................................................................................................... 2-5
Z8 Control And Peripheral Registers .......................................................................................... 2-8
Standard Z8 Registers ......................................................................................................... 2-8
Expanded Z8 Registers ....................................................................................................... 2-8
Program Memory ...................................................................................................................... 2-10
Z8 External Memory ................................................................................................................. 2-11
External Data Memory ....................................................................................................... 2-11
Z8 STACKS .............................................................................................................................. 2-12
Chapter 3. Clock
Clock ........................................................................................................................................... 3-1
Frequency Control ............................................................................................................... 3-1
Clock Control .............................................................................................................................. 3-1
SCLK/TCLK Divide-By-16 Select (D0) ................................................................................. 3-2
External Clock Divide-By-Two (D1) ...................................................................................... 3-2
Oscillator Control ........................................................................................................................ 3-2
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