cx28224 Mindspeed Technologies, cx28224 Datasheet - Page 29

• Manufacturer Part Number: cx28224
• Description: Cx28224/5/9 Inverse Multiplexing For The Atm Ima Family
• Manufacturer: Mindspeed Technologies

Table 2-1. Available Parts
2.1
28229-DSH-001-D
CX28224
CX28225
CX28229
FOOTNOTE:
(1)
(2)
Internal memory is disabled when the external bus is used.
Normally, 0x31 is the NULL address; however, the CX28229 can be configured to treat it as a valid port address.
2
Device
Logic Diagram
CX2822x Hardware Description
Three versions of Mindspeed's IMA solution are available: CX28224, CX28225, and
the CX28229. All use the same software drivers and are basically pin compatible.
Table 2-1
The following three configurations are available:
Figures 2-1
modules. Pin descriptions are listed in
Internal memory
128 Kbytes
256 Kbytes
256 Kbytes
UTOPIA-to-Serial
UTOPIA-to-UTOPIA
Stand-alone Cell Delineation only
provides a quick comparison of the three devices.
and
Mindspeed Technologies
2-4
illustrate the logic diagrams of the CX2822x’s functional
External memory
2 Mbyte
interface
None
None
(1)
Table
UTOPIA addresses
2-10.
™
0, 1, 31 (NULL)
0–3, 31 (NULL)
(PHY side)
0–31
(2)
Serial ports
2
4
8
2
-
1