Cypress EZ-USB FX3 User Manual

EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 308
GPIF_STATUS
0xE0014010
10.7.5 GPIF_STATUS
GPIF Status Register
Live status bits. Most of these bits can trigger an interrupt on their rising edge (see GPIF_INTR).
31:24 INTERRUPT_STATE[7:0] State that raised the interrupt through GPIF_INTR. Note that these bits do not have individual inter-
rupt and mask bits in GPIF_INTR and GPIF_MASK.
23:20 IN_DATA_VALID[3:0] Indicates corresponding INGRESS_DATA register is full.
19:16 EG_DATA_EMPTY[3:0] Indicates corresponding EGRESS_DATA register is empty
10 WAVEFORM_BUSY CPU tried to access waveform memory without clearing WAVEFORM_VALID
9 CTRL_COMP_HIT Control comparator hits
8 DATA_COMP_HIT Data comparator hits
7 ADDR_COMP_HIT Address comparator hits
6 CTRL_COUNT_HIT Control counter is at limit
continued on next page
GPIF_STATUS GPIF Status Register 0xE0014010
b31 b30 b29 b28 b27 b26 b25 b24
INTERRUPT_STATE[7:0]
RRRRRRRR
R/W R/W R/W R/W R/W R/W R/W R/W
00000000
GPIF_STATUS GPIF Status Register
b23 b22 b21 b20 b19 b18 b17 b16
IN_DATA_VALID[3:0] EG_DATA_EMPTY[3:0]
RRRRRRRR
R/W R/W R/W R/W R/W R/W R/W R/W
0000 0xF
GPIF_STATUS GPIF Status Register
b15 b14 b13 b12 b11 b10 b9 b8
WAVEFORM_BUSY CTRL_COMP_HIT DATA_COMP_HIT
RRR
R/W R/W R/W
000
GPIF_STATUS GPIF Status Register
b7 b6 b5 b4 b3 b2 b1 b0
ADDR_COMP_
HIT
CTRL_COUNT_
HIT
DATA_COUNT_
HIT
ADDR_COUNT_
HIT
CRC_ERROR SWITCH_TIMEOUT GPIF_INTR GPIF_DONE
RRRRRRRR
R/W R/W R/W R/W R/W R/W R/W R/W
00000000
Bit Name Description

Cypress EZ-USB FX3 Specifications

General

Brand	Cypress
Model	EZ-USB FX3
Category	Controller
Language	English