Cypress EZ-USB FX3 User Manual

EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 531
I2S_STATUS
0xE0000004
10.18.2 I2S_STATUS
I2S Status Register
Status and error register. Most status bits are used to generate an interrupt on positive edge into INTR register.
28 BUSY Indicates the block is busy transmitting data. This field may remain asserted after the block is sus-
pended and must be polled before changing any configuration values.
27:24 ERROR_CODE[3:0] Error code, only relevant when ERROR=1. ERROR logs only the FIRST error to occur and will never
change value as long as ERROR=1.
11 Left TX FIFO/DMA socket underflow
12 Right TX FIFO/DMA socket underflow
13 Write to left TX FIFO when FIFO full
14 Write to right TX FIFO when FIFO full
15 No error
8 ERROR An internal error has occurred with cause ERROR_CODE. Must be cleared by software. Sticky
7 NO_DATA No data is currently available for output, but socket does not indicate empty. Only relevant when
DMA_MODE=1. Non sticky.
6 PAUSED Output is paused (PAUSE has taken effect). Non sticky
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I2S_STATUS I2S Status Register 0xE0000004
b31 b30 b29 b28 b27 b26 b25 b24
BUSY ERROR_CODE[3:0]
RRRRR
WWWWW
00xF
I2S_STATUS I2S Status Register
b23 b22 b21 b20 b19 b18 b17 b16
I2S_STATUS I2S Status Register
b15 b14 b13 b12 b11 b10 b9 b8
ERROR
R/W1C
R/W1S
0
I2S_STATUS I2S Status Register
b7 b6 b5 b4 b3 b2 b1 b0
NO_DATA PAUSED TXR_HALF TXR_SPACE TXR_DONE TXL_HALF TXL_SPACE TXL_DONE
RRRRRRRR
WWWWWWWW
00110110
Bit Name Description

Cypress EZ-USB FX3 Specifications

General

Brand	Cypress
Model	EZ-USB FX3
Category	Controller
Language	English