8x930Ax UNIVERSAL SERIAL BUS MICROCONTROLLER
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8x930AxInternal Block Diagram..........................................................................................1
USB Module Block Diagram.................................................................................................2
Product Nomenclature .........................................................................................................3
8x930Ax68-pin PLCC Package...........................................................................................4
Clock Circuit.......................................................................................................................12
8x930AxCode Fetch, Nonpage Mode...............................................................................18
8x930AxData Read, Nonpage Mode ................................................................................19
8x930AxData Write, Nonpage Mode.................................................................................19
8x930AxCode Fetch, Page Mode .....................................................................................20
8x930AxData Read, Page Mode.......................................................................................21
8x930AxData write, Page Mode........................................................................................21
External Code Fetch/Data Read (Nonpage Mode, Real-time Wait State) .........................23
External Data Write (Nonpage Mode, Real-time Wait State).............................................24
External Data Read (Page Mode, Real-time Wait State)...................................................25
External Data Write (Page Mode, Real-time Wait State) ...................................................26
Serial Port Waveform — Synchronous Mode 0..................................................................27
External Clock Drive Waveforms........................................................................................28
AC Testing Input, Output Waveforms.................................................................................29
Float Waveforms................................................................................................................29
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Description of Product Nomenclature...................................................................................3
Proliferation Options.............................................................................................................3
68-pin PLCC Pin Assignment...............................................................................................5
68-pin PLCC Signal Assignments Arranged by Functional Category ..................................6
Signal Descriptions ..............................................................................................................7
Memory Signal Selections (RD1:0)....................................................................................10
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930A
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Address Map.......................................................................................................10
Frequency Selection and Operating Frequency.................................................................12
DC Characteristics at Operating Conditions.......................................................................13
AC Timing Symbol Definitions............................................................................................15
AC Characteristics at Operating Conditions.......................................................................16
Real-time Wait Timing Symbol Definitions.........................................................................22
Real-time Wait AC Timing Specifications...........................................................................22
Serial Port Timing — Synchronous Mode 0.......................................................................27
External Clock Drive...........................................................................................................28
Thermal Characteristics .....................................................................................................30
SIx Endpoint Pair Feature..................................................................................................31
Effect of “EDF#” on Wait States.........................................................................................31
AC Characteristics for 8x930Ax3 and 8x930Ax4 in Compatibility Mode............................32
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930A
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930A
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4 Default and Extended Data Float Timings.................................32
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930A
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4 Real-time Wait State AC Timing Specifications ........................33