TI380C30A
TI380C30A is Integrated Token-Ring CommProcessor And Physical Layer Interface manufactured by Texas Instruments.
INTEGRATED TOKEN-RING MPROCESSOR AND PHYSICAL-LAYER INTERFACE
SPWS034
- MARCH 1998
D Single-Chip Token-Ring Solution D IBM™ Token-Ring Network™ patible D patible With ISO/IEC IEEE
Std 802.5:1992 Token-Ring Access-Method and Physical-Layer Specifications
D patible With TI380FPA Packet Blaster™ D Glueless Memory Interface D Digital Phase-Locked Loop (PLL)
- Precise Control of Bandwidths
- Improved Jitter Tolerance
- Minimizes Accumulated Phase Slope
D Phantom Drive for Physical Insertion Onto
Ring
D Differential Line Receiver With
Level-Dependent Frequency Equalization
D Low-Impedance Differential Line Driver to
Ease Transmit-Filter Design
D On-Chip Watchdog Timer D Internal Crystal Oscillator for
Reference-Clock Generation
D Expandable LAN-Subsystem Memory up to
2M Bytes
D 32-Bit Host Address Bus D 80x8x or 68xxx-Type Bus and Memory
Organization
D Dual-Port Direct Memory Access (DMA) and
Direct Input/Output Transfers to Host Bus
D Supports 8- or 16-Bit Pseudo-Direct
Memory Access (PDMA) Operation
D Electrostatic Discharge (ESD) Protection
Exceeds 2 k V (All Pins)
D 0.8-µm CMOS Technology D Token-Ring Features
- 16- or 4-Megabit-Per-Second (Mbit/s) Data Rates
- Supports up to 18K-Byte Frame Size (16 Mbit/s...