28478G-18 Mindspeed Technologies, 28478G-18 Datasheet - Page 127

• Manufacturer Part Number: 28478G-18
• Description: Multichannel Synchronous Communications Controller 208-Pin BGA
• Manufacturer: Mindspeed Technologies

Specifications of 28478G-18

• Package: 208BGA
• Maximum Data Rate: 32768 Kbps
• Transmission Media Type: Wire
• Power Supply Type: Analog
• Typical Supply Current: 250 mA
• Typical Operating Supply Voltage: 3.3 V
• Minimum Operating Supply Voltage: 3 V
• Maximum Operating Supply Voltage: 3.6 V

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During PCI configuration, the host can perform the following configuration for MUSYCC’s Function 1, PCI to EBUS
bridge:
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6.2.2
After PCI configuration is complete, a set of hierarchical configuration sequences must be executed to begin
operation at the channel level. Global configuration is initiated by the host either issuing a service request or
performing slave writes into MUSYCC resident Global Configuration Descriptor.
Global configuration specifies information used across the entire device including all supported channel groups, all
channels, and the EBUS (see
6.2.3
Part of global configuration involves interrupt queue configuration (see
6.2.4
After global configuration, more specific group configuration must be performed for each supported channel group.
The relevant references are as follows:
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28478-DSH-002-E
Enable PCI system error signal line, SERR*.
Allow response for PCI parity error detection.
Allow PCI bus-master mode.
Allow PCI bus-slave mode.
Assign latency.
Assign interrupt line routing.
Read PCI configuration space (Device Identification, Vendor Identification, Class Code, and Revision
Identification).
Allocate 1 MB system memory range and assign the Base Address register using this memory range.
Allow response for PCI parity error detection.
Assign latency.
Assign interrupt line routing.
Table 5-10, Group Configuration Descriptor
Table 5-11, Memory Protection Descriptor
Table 5-12, Port Configuration Descriptor
Table 5-13, Message Length Descriptor
Table 5-14, Transmit or Receive Time Slot Map
Table 5-16, Transmit or Receive Subchannel Map
Table 5-18, Channel Configuration Descriptor
NOTE:
Global Configuration
Interrupt Queue Configuration
Channel Group(s) Configuration
Preliminary Information / Mindspeed Proprietary and Confidential
Device identification at the PCI Level Configuration must be used to identify the number of
supported channel groups and channels in MUSYCC, which, in turn, affects how MUSYCC
is eventually configured.
Table 5-6, Global Configuration
Mindspeed Technologies
Descriptor).
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Table 5-28, Interrupt Queue
Basic Operation
Descriptor).
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