IDT88K8483BRI IDT, Integrated Device Technology Inc, IDT88K8483BRI Datasheet - Page 107
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IDT88K8483BRI
Manufacturer Part Number
IDT88K8483BRI
Description
IC SPI-4 EXCHANGE 3PORT 672-BGA
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.IDT88K8483BRI.pdf
(162 pages)
Specifications of IDT88K8483BRI
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
88K8483BRI
- Current page: 107 of 162
- Download datasheet (3Mb)
SPI-4 Ingress Calendar 0 Configuration Register.
SPI-4 Ingress Training Parameter Register
FIFO_MAX_T
ALPHA_FIFO
Note: The purpose of the FIFO status path training sequence is for the deskew of bit arrival times on the FIFO status and control lines.
I_CAL_M
I_CAL_LEN
Note:
1
2
the SPI-4 Ingress Calendar 0 Table (p. 105)
3
IDT IDT88K8483
If the I_CSW_EN bit in
The calendar length CALENDAR_M must be at least as large as the number of active SPI-4 ingress LPs. CALENDAR_M must match the number of entries in
CALENDAR_LEN and CALENDAR_M are described in the OIF SPI-4 implementation agreement (OIF-SPI-4-02.1).
Field
Field
calendar sequence is repeated before a DIP2 parity,’1 1’ framing word and calendar selection word are inserted.
Table 60
Table 59
SPI4 Ingress Calendar Switch Control Register (p. 109)
R/W
R/W
R/W
R/W
SPI-4 Ingress Calendar 0 Configuration Register (Block Base=0x0300, Register Offset=0x03)
Read /
Read /
Write
Write
SPI-4 Ingress Training Parameter Register (Block base=0x0300, Register Offset=0x02)
0:0-2:7
3:0-3:7
0:0-0:7
1:0-1:6
Bits
Bits
24
8
8
7
Length
Length
0
0
0x01
0x7
Reset
Reset
State
State
107 of 162
The SPI-4 ingress FIFO_MAX_T field is the maximum time interval between
scheduling of training sequences on the FIFO status path interface. The units are in
2
The SPI-4 ingress ALPHA_FIFO field is the number of repetitions of the status
for alpha used is actually one more than the ALPHA_FIFO value programmed into
the ALPHA_FIFO field.
The I_CAL_M value programmed defines the number of times the calendar 0
sequence is repeated before a DIP-2 parity and “1 1” framing words are inserted
The actual CALENDAR_M
into the I_CAL_M field.
Indicates the length of the ingress calendar 0
CALENDAR_LEN
In LVTTL mode, the I_CAL_LEN can be programmed with any value.
In LVDS mode, the I_CAL_LEN should be programmed with 4n-1, where n is an
integer.
training sequence that must be scheduled every FIFO_MAX_T cycles. The value
8
SPI-4 data cycles.
is set to 1,then the I_CAL_M value defines the number of times the
3
is I_CAL_LEN+1.
3
value used is one more than the value programmed
Description
Description
2
.The actual calendar length
October 20, 2006
1
.
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