IDT88K8483 Integrated Device Technology, IDT88K8483 Datasheet - Page 78

• Manufacturer Part Number: IDT88K8483
• Description: Spi-4 Exchange Document Issue 1.0
• Manufacturer: Integrated Device Technology

The Indirect Register Accessing scheme:
IDT IDT88K8483
3 Byte Indirect register Address = 3 Byte Segment Base Address +
0x1a
0x1b
0x1c
0x1d
0x1e
0x1f
0x20
0x21
Direct Register Address
Segment Base
Module Base
Block Base
Register Offset
Address Name
(HEX)
3
2
2
1
2 Byte Module Base Address +
2 Byte Block Base Address +
1 Byte Register Offset
Bytes
No of
8
8
8
8
8
8
8
8
Register Size
Address based on User Registers or IDT reserved registers.
Address based on Module A, B or Common module which includes the SPI4 interfaces, PFPs
and associated PMONs, insert, extract registers.
Address based on blocks of registers related to SPI4 Ingress and Egress interfaces, related
PFPs and PMONs, Auxillary interface, Processor interface.
Address of the individual registers for each Block Base.
(Bits)
78 of 162
Indirect access control
Indirect access data (BYTE 0)
Indirect access data (BYTE 1)
Indirect access data (BYTE 2)
Indirect access data (BYTE 3)
Indirect access address (BYTE 0)
Indirect access address (BYTE 1)
Indirect access address (BYTE 2)
Used for
Description
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Type
October 20, 2006