Altera Hybrid Memory Cube Controller Manual de usuario Pagina 56

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Bits Field Name Type Value on
Reset
Description
7:0
(half-
width IP
core)
DescramSync RO 0x00
Each bit indicates whether the descrambler for the
corresponding transceiver channel has synchron‐
ized to the received data.
15:0
(full-
width IP
core)
DescramSync RO 0x0000
LINK_STATUS Register
Table 5-6: HMC Controller IP Core LINK_STATUS Register at Offset 0x10
Bits Field Name Type Value
on
Reset
Description
31:17 Reserved RO 0x0000
16 RXPS RO 0x0 Level of the LxRXPS input from the HMC device.
15:9 Reserved RO 0x00
8 LanesAligned RO 0x0 Indicates whether the received data is aligned across all
lanes.
7:6 Reserved RO 0x0
5:0 InitializationStat
e
RO 0x01
Indicates the current state in link initialization. This
register field has the following valid values:
6'b100000: Active
6'b010000: Transaction Initialization (Wait for
TRET)
6'b001000: Word Synchronization (Transmit TS1)
6'b000100: Scrambler Synchronization (Transmit
NULLs)
6'b000010: HMC Configuration (by the external I
2
C
master module)
6'b000001: Reset
Related Information
Initialization on page 3-5
Describes the behavior of the InitializationState field during HMC Controller IP core initialization.
5-4
LINK_STATUS Register
UG-01152
2015.05.04
Altera Corporation
HMC Controller IP Core Register Map
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