ZHCSJ74A December 2018 – January 2020 TCAN4550
PRODUCTION DATA.
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
RSVD | Internal_read_error | Internal_write_error | Internal_error_log_write | Read_fifo_underflow | Read_fifo_empty | Write_fifo_overflow | |
RO | W1C | W1C | W1C | W1C | W1C | W1C | |
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
RSVD | SPI_end_error | Invalid_command | Write_overflow | write_underflow | Read_overflow | read_underflow | |
RO | W1C | W1C | W1C | W1C | W1C | W1C | |
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
RSVD | |||||||
RO | |||||||
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
RSVD | Write_fifo_available | Read_fifo_available | Internal_access_active | Internal_error_interrupt | SPI_error_interrupt | Interrupt | |
RO | RO | RO | RO | RO | RO | RO |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
31:30 | RSVD | RO | 1’b0 | Reserved |
29 | Internal_read_error | W1C | 1’b0 | Internal read received an error response |
28 | Internal_write_error | W1C | 1’b0 | Internal write received an error response |
27 | Internal_error_log_write | W1C | 1’b0 | Entry written to the Internal error log |
26 | Read_fifo_underflow | W1C | 1’b0 | Read FIFO underflow after 1 or more read data words returned |
25 | Read_fifo_empty | W1C | 1’b0 | Read FIFO empty for first read data word to return |
24 | Write_fifo_overflow | W1C | 1’b0 | Write/command FIFO overflow |
23:22 | RSVD | RO | 1’b0 | Reserved |
21 | SPI_end_error | W1C | 1’b0 | SPI transfer did not end on a byte boundary |
20 | Invalid_command | W1C | 1’b0 | Invalid SPI command received |
19 | Write_overflow | W1C | 1’b0 | SPI write sequence had continue requests after the data transfer was completed |
18 | write_underflow | W1C | 1’b0 | SPI write sequence ended with less data transferred then requested |
17 | Read_overflow | W1C | 1’b0 | SPI read sequence had continue requests after the data transfer was completed |
16 | read_underflow | W1C | 1’b0 | SPI read sequence ended with less data transferred then requested |
15:8 | RSVD | RO | 8’h00 | Reserved |
7:6 | RSVD | RO | 1’b0 | Reserved |
5 | Write_fifo_available | RO | 1’b0 | write fifo empty entries is greater than or equal to the write_fifo_threshold |
4 | Read_fifo_available | RO | 1’b0 | Read fifo entries is greater than or equal to the read_fifo_threshold |
3 | Internal_access_active | RO | U | Internal Multiple transfer mode access in progress |
2 | Internal_error_interrupt | RO | 1’b0 | Unmasked Internal error set |
1 | SPI_error_interrupt | RO | 1’b0 | Unmasked SPI error set |
0 | Interrupt | RO | U | Value of interrupt input level (active high) |