Cypress EZ-USB FX3 User Manual

EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 348
GPIF_WAVEFORM_SWITCH
0xE001411C
10.7.40 GPIF_WAVEFORM_SWITCH
Waveform Switch Control Register
Offers the facility to program new waveforms to GPIF. Provides current status of GPIF.
31:24 DONE_STATE[7:0] Signal GPIF_DONE upon reaching this state.
23:16 DESTINATION_STATE[7:0] State to jump to, may be the initial state of the new waveform.
15:8 TERMINAL_STATE[7:0] State from which to initiate the switch. Corresponds to idle states of waveforms.
7TERMINATED Indicates that the TERMINAL_STATE was reached since last WAVEFORM_SWITCH
6 TIMEOUT_REACHED Indicates that timeout was reached since last WAVEFORM_SWITCH
5:3 TIMEOUT_MODE[2:0] 0 Timeout disable
1 Timeout for reaching TERMINAL_STATE. Interrupt on timeout
2 Timeout for reaching DONE_STATE. Interrupt on timeout
3 Timeout for reaching TERMINAL STATE. Force switch on timeout.
4 Timeout for hanging in current state. Timer resets on each transition.
2 SWITCH_NOW 1 Do not wait for TERMINAL_STATE, switch right away
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GPIF_WAVEFORM_SWITCH Waveform Switch Control Register 0xE001411C
b31 b30 b29 b28 b27 b26 b25 b24
DONE_STATE[7:0]
R/W R/W R/W R/W R/W R/W R/W R/W
RRRRRRRR
00000000
GPIF_WAVEFORM_SWITCH Waveform Switch Control Register
b23 b22 b21 b20 b19 b18 b17 b16
DESTINATION_STATE[7:0]
R/W R/W R/W R/W R/W R/W R/W R/W
RRRRRRRR
00000000
GPIF_WAVEFORM_SWITCH Waveform Switch Control Register
b15 b14 b13 b12 b11 b10 b9 b8
TERMINAL_STATE[7:0]
R/W R/W R/W R/W R/W R/W R/W R/W
RRRRRRRR
00000000
GPIF_WAVEFORM_SWITCH Waveform Switch Control Register
b7 b6 b5 b4 b3 b2 b1 b0
TERMINATED
TIMEOUT_
REACHED
TIMEOUT_MODE[2:0] SWITCH_NOW DONE_ENABLE
WAVEFORM_
SWITCH
R R R/W R/W R/W R/W R/W R/W1S
R/WR/WRRRRRR/W0C
00000000
Bit Name Description

Cypress EZ-USB FX3 Specifications

General

Brand	Cypress
Model	EZ-USB FX3
Category	Controller
Language	English