MC145488 Description
and electrical specifications. It can be ordered from your local Motorola sales office or from the Motorola Literature Distribution Center as MC145488/D. Two Independent Full Duplex Bit Oriented Protocol Controllers Support HDLC, SDLC, CCITT X.25, CCITT Q.921 (LAPD), and V.120 at Basic and Primary Rates Four Channel On Chip DMA Controller 64 kbyte Address Range with Expansion Control Internal Programmable Wait State...
MC145488 Key Features
- Two Independent Full-Duplex Bit-Oriented Protocol Controllers Support HDLC, SDLC, CCITT X.25, CCITT Q.921 (LAPD), and V.
- Four-Channel On-Chip DMA Controller
- 64 kbyte Address Range with Expansion Control
- Internal Programmable Wait-State Generator
- Two Buffer Descriptors for Each Receiver Channel
- patible with 68000 and 80186 Bus Structures
- Non-Multiplexed 16- or 8-Bit Data Bus
- Frame Sizes up to 4096 bytes
- Bit-Level HDLC Processing Including
- Flag Generation/Detection