Channel 0-3 Status Ports - 4.1 English

DMA/Bridge Subsystem for PCI Express Product Guide (PG195)

Document ID
PG195
Release Date
2023-11-24
Version
4.1 English
Table 1. Channel 0-3 Status Ports
Signal Name Direction Description
h2c_sts [7:0] O Status bits for each channel. Bit:

7: Reserved

6: Control register 'Run' bit

5: IRQ event pending

4: Packet Done event (AXI4-Stream)

3: Descriptor Done event. Pulses for one cycle for each descriptor that is completed, regardless of the Descriptor.Completed field

2: Status register Descriptor_stop bit

1: Status register Descriptor_completed bit

0: Status register busy bit

c2h_sts [7:0] O Status bits for each channel. Bit:

7: Reserved

6: Control register 'Run' bit

5: IRQ event pending

4: Packet Done event (AXI4-Stream)

3: Descriptor Done event. Pulses for one cycle for each descriptor that is completed, regardless of the Descriptor.Completed field

2: Status register Descriptor_stop bit

1: Status register Descriptor_completed bit

0: Status register busy bit