Cypress Semiconductor FX2LP Informations techniques Page 8

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Table of Contents
(Table of Contents)
10.3.2.2.1 Non-Decision Point (NDP) States......................................................10-14
10.3.2.2.2 Decision Point (DP) States................................................................10-16
10.3.3 Re-Executing a Task Within a DP State....................................................................10-18
10.3.4 State Instructions.......................................................................................................10-21
10.3.4.1 Structure of the Waveform Descriptors ..........................................................10-25
10.4 Firmware .................................................................................................................................10-26
10.4.1 Single-Read Transactions .........................................................................................10-33
10.4.2 Single-Write Transactions .........................................................................................10-38
10.4.3 FIFO-Read and FIFO-Write Transactions .................................................................10-41
10.4.3.1 Transaction Counter ......................................................................................10-41
10.4.3.2 Reading the Transaction-Count Status in a DP State....................................10-42
10.4.4 GPIF Flag Selection ..................................................................................................10-42
10.4.5 GPIF Flag Stop..........................................................................................................10-42
10.4.5.1 Performing a FIFO-Read Transaction............................................................10-43
10.4.6 Firmware Access to IN packet(s), (AUTOIN=1).........................................................10-48
10.4.7 Firmware Access to IN Packet(s), (AUTOIN = 0) ......................................................10-49
10.4.7.1 Performing a FIFO-Write Transaction............................................................10-52
10.4.8 Firmware access to OUT packets, (AUTOOUT=1) ...................................................10-56
10.4.9 Firmware access to OUT packets, (AUTOOUT = 0) .................................................10-57
10.4.10 Burst FIFO Transactions .........................................................................................10-59
10.5 UDMA Interface.......................................................................................................................10-63
Chapter 11. CPU Introduction
11.1 Introduction ...............................................................................................................................11-1
11.2 8051 Enhancements.................................................................................................................11-2
11.3 Performance Overview..............................................................................................................11-3
11.4 Software Compatibility ..............................................................................................................11-4
11.5 803x/805x Feature Comparison................................................................................................11-4
11.6 FX2/DS80C320 Differences ......................................................................................................11-5
11.6.1 Serial Ports..................................................................................................................11-5
11.6.2 Timer 2 ........................................................................................................................11-5
11.6.3 Timed Access Protection.............................................................................................11-6
11.6.4 Watchdog Timer ..........................................................................................................11-6
11.6.5 Power Fail Detection ...................................................................................................11-6
11.6.6 Port I/O ........................................................................................................................11-6
11.6.7 Interrupts .....................................................................................................................11-6
11.7 EZ-USB FX2 Register Interface................................................................................................11-7
11.8 EZ-USB FX2 Internal RAM .......................................................................................................11-7
11.9 I/O Ports ....................................................................................................................................11-8
11.10 Interrupts.................................................................................................................................11-9
11.11 Power Control .........................................................................................................................11-9
11.12 Special Function Registers (SFR).........................................................................................11-10
11.13 External Address/Data Buses ...............................................................................................11-11
11.14 Reset.....................................................................................................................................11-11
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