MC92602 General Description
The transmitter takes the data byte presented at its data input, creates a transmission character using its 8B/10B encoder (if not in Ten-Bit Interface mode), and serially transmits the character out of the differential link output pads. The following sections provide a detailed description of the transmitter and its various modes of operation.
MC92602 Features
The following are the features of the MC92602:
• General Features
- Four full-duplex differential data links.
- Selectable speed range: 1.25 Gbaud or 0.625 Gbaud.
- Rate adaption compatibility with packet data streams
- Context sensitive rate adaption during receipt of idle and data code groups
- Supports Jumbo frame lengths of up to 16K BYTES
- Supports frame bursting
- Differential reference clock input with single-ended clock input option.
- Low power, approximately 1.2W under typical conditions, while operating all transceivers at full speed.
- Unused transceiver channels may be individually disabled.
- IEEE 1149.1 JTAG support and full-speed built in self test, (BIST), functions.
- Package: 196pin MAPBGA (15x15mm body size, 1.0 mm ball pitch).
• Data Interface Features
- Internal 8B10B encoder/decoder that may be bypassed in Ten-Bit Interface mode where external coding is used.
- Double Data Rate (DDR), source synchronous, 4-bit and 5-bit HSTL Class-I parallel interfaces.
- Transmit data clock is selectable between per-channel transmit clock or channel 'A' transmit clock.
- Link-to-link synchronization supports aligned, multi-channel, word transfers. The synchronization mechanism tolerates up to 40 bit-times of link-to-link media skew.
- Selectable Idle character alignment mode enables aligned transfers with automatic realignment or unaligned data transfers (if in 10 bit mode).
- Received data may be clocked to the recovered clock or to the reference clock frequencies.
- Compatibility mode enables non-intrusive operation with packet data streams.
• Link Interface Features
- Drives 50 or 75 media (100 or 150 differential) for lengths of up to 1.5meters board/backplane, or 10 meters of coax.
- Link inputs have on-chip receiver termination and are "hot swap" compatible.
- Tolerates a frequency offset between the transmitter and receiver in excess of +250ppm.
Map list: ABCDEFGHIJKLMNOPQRSTUVWXYZ 0123456789All