36.5.18 SQI STATUS REGISTER 2
Symbol | Description | Symbol | Description | Symbol | Description |
---|---|---|---|---|---|
R | Readable bit | HC | Cleared by Hardware | (Grey cell) | Unimplemented |
W | Writable bit | HS | Set by Hardware | X | Bit is unknown at Reset |
K | Write to clear | S | Software settable bit | — | — |
Name: | STAT2 |
Offset: | 0x130 |
Reset: | 0x0000 |
Property: | - |
Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
Access | |||||||||
Reset |
Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
CMDSTAT[1:0] | |||||||||
Access | R | R | |||||||
Reset | 0 | 0 |
Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
CONAVAIL[3:1] | |||||||||
Access | R | R | R | ||||||
Reset | 0 | 0 | 0 |
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
CONAVAIL[0] | SQID3 | SQID2 | SQID1 | SQID0 | RXUN | TXOV | |||
Access | R | R | R | R | R | R | R | ||
Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Bits 17:16 – CMDSTAT[1:0] Current Command Status bits <1:0>
These bits indicate the current command status.
Value | Description |
---|---|
11 | Reserved |
10 | Receive |
01 | Transmit |
00 | Idle |
Bits 10:7 – CONAVAIL[3:0] Control buffer Space Available bits <3:0>
These bits indicate the available control wordspace.
Value | Description |
---|---|
1000 | 8 words are available |
0111 | 7 words are available |
0001 | 1 word is available |
0000 | No words are available |
Bit 6 – SQID3 SQID3 Status bit
Value | Description |
---|---|
1 | Data is present on SQID3 |
0 | Data is not present on SQID3 |
Bit 5 – SQID2 SQID2 Status bit
Value | Description |
---|---|
1 | Data is present on SQID2 |
0 | Data is not present on SQID2 |
Bit 4 – SQID1 SQID1 Status bit
Value | Description |
---|---|
1 | Data is present on SQID1 |
0 | Data is not present on SQID1 |
Bit 3 – SQID0 SQID0 Status bit
Value | Description |
---|---|
1 | Data is present on SQID0 |
0 | Data is not present on SQID0 |
Bit 1 – RXUN Receive buffer Underflow Status bit
Value | Description |
---|---|
1 | Receive buffer Underflow has occurred |
0 | Receive buffer underflow has not occurred |
Bit 0 – TXOV Transmit buffer Overflow Status bit
Value | Description |
---|---|
1 | Transmit buffer overflow has occurred |
0 | Transmit buffer overflow has not occurred |