28478G-18 Mindspeed Technologies, 28478G-18 Datasheet - Page 6

• 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

28478-DSH-002-E
6.0 Basic Operation111
6.1
6.2
6.3
5.2.4
5.2.5
5.2.6
Reset111
6.1.1
6.1.2
6.1.3
6.1.4
Configuration113
6.2.1
6.2.2
6.2.3
6.2.4
6.2.5
6.2.6
Channel Operation116
6.3.1
5.2.3.1
Message Level Descriptor93
5.2.4.1
5.2.4.2
5.2.4.3
5.2.4.4
5.2.4.5
5.2.4.6
5.2.4.7
5.2.4.8
5.2.4.9
5.2.4.10
Interrupt Level Descriptors100
5.2.5.1
5.2.5.2
5.2.5.3
Interrupt Handling108
5.2.6.1
5.2.6.2
5.2.6.3
5.2.6.4
Hard PCI Reset111
Soft Chip Reset111
Soft Group Reset112
Recommended Initialization Sequence113
PCI Configuration113
Global Configuration114
Interrupt Queue Configuration114
Channel Group(s) Configuration114
Service Request Mechanism115
MUSYCC Internal Memory115
6.2.6.1
6.2.6.2
Group Structure117
Preliminary Information / Mindspeed Proprietary and Confidential
Channel Configuration Descriptor91
Using Message Descriptors94
Note for Interrupt Driven Drivers94
Head Pointer94
Message Pointer95
Message Descriptor95
Buffer Descriptor95
Buffer Status Descriptor97
Next Message Pointer99
Data Buffer Pointer99
Message Descriptor Handling100
Interrupt Queue Descriptor100
Interrupt Descriptor101
Interrupt Status Descriptor107
Initialization108
Interrupt Descriptor Generation108
INTA* Signal Line109
INTB* Signal Line109
Memory Operations—Inactive Channels115
Memory Operations—Active Channels116
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