Cypress Semiconductor FX2LP Informations techniques télécharger pdf (Page 403)

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Chapter 15. Registers Page 15-83

15.12 General Programmable Interface (GPIF)

15.12.1 GPIF Waveform Selector

Figure 15-93. GPIF Waveform Selector

Bit 7-6 SINGLEWR1:0 Single Write Waveform Index

Index to the Waveform Program to run when a “Single Write” is triggered by the firmware.

Bit 5-4 SINGLERD1:0 Single Read Waveform Index

Index to the Waveform Program to run when a “Single Read” is triggered by the firmware.

Bit 3-2 FIFOWR1:0 FIFO Write Waveform Index

Index to the Waveform Program to run when a “FIFO Write” is triggered by the firmware.

Bit 1-0 FIFORD1:0 FIFO Read Waveform Index

Index to the Waveform Program to run when a “FIFO Read” is triggered by the firmware.

Select waveform 0 [00], 1 [01], 2 [10] or 3 [11].

15.12.2 GPIF Done and Idle Drive Mode

Figure 15-94. GPIF Done and Idle Drive

GPIFWFSELECT Waveform Selector E6C0

b7 b6 b5 b4 b3 b2 b1 b0

SINGLEWR1 SINGLEWR0 SINGLERD1 SINGLERD0 FIFOWR1 FIFOWR0 FIFORD1 FIFORD0

R/W R/W R/W R/W R/W R/W R/W R/W

1 1 1 0 0 1 0 0

GPIFIDLECS GPIF Done, GPIF Idle Drive Mode E6C1

b7 b6 b5 b4 b3 b2 b1 b0

DONE 0 0 0 0 0 0 IDLEDRV

R/W R/W R/W R/W R/W R/W R/W R/W

1 0 0 0 0 0 0 0

1 2 ... 398 399 400 401 402 403 404 405 406 407 408 ... 459 460

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