z16c30 ZiLOG Semiconductor, z16c30 Datasheet - Page 5

• Manufacturer Part Number: z16c30
• Description: Cmos Usc Universal Serial Controller
• Manufacturer: ZiLOG Semiconductor

Architectural Overview
Features
DS007902-0708
The key features of Zilog’s Z16C30 device include:
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Two Independent 0-to-10 Mbps Full-Duplex Channels, each with Two Baud Rate Gener-
ators and One digital phase-locked loop (DPLL) for Clock Recovery
32-byte Data FIFO’s for each Receiver and Transmitter
110 ns Bus Cycle Time, 16-bit Data Bus Bandwidth
Multi-Protocol Operation under Program Control with Independent Mode Selection for
Receiver and Transmitter
Async Mode with 1 to 8 Bits/Character, 1/16 to 2 Stop Bits/Character in 1/16-bit Incre-
ments, Programmable Clock Factor, Break Detect and Generation, Odd, Even, Mark,
Space or no Parity and Framing Error Detection, Supports One Address/Data Bit and MIL
STD 1553B Protocols
Byte Oriented Synchronous Mode with One to Eight Bits/Character, Programmable Idle
Line Condition, Optional Receive Sync Stripping; Optional Preamble Transmission, 16-
or 32-bit CRC, and Transmit-to-Receive Slaving (for X.21)
Bisync Mode with 2- to 16-bit Programmable Sync Character, Programmable Idle Line
Condition, Optional Receive Sync Stripping, Optional Preamble Transmission, 16- or 32-
bit CRC
Transparent Bisync Mode with EBCDIC or ASCII Character Code, Automatic CRC Han-
dling, Programmable Idle Line Condition, Optional Preamble Transmission, Automatic
Recognition of DLE, SYN, SOH, ITX, ETX, ETB, EOT, ENQ, and ITB
External Character Sync Mode for Receive
HDLC/SDLC Mode with Eight-Bit Address Compare, Extended Address Field Option,
16- or 32-bit CRC, Programmable Idle Line Condition, Optional Preamble Transmission
and Loop Mode
DMA Interface with Separate Request and Acknowledge for Each Receiver and Transmit-
ter
Channel Load Command for DMA Controlled Initialization
Flexible Bus Interface for Direct Connection to Most Microprocessors, User Programma-
ble for 8 or 16 Bits Wide, Directly Supports 680X0 Family or 8X86 Family Bus Interfaces
Low Power CMOS
68-Pin PLCC/100-Pin VQFP Packages
P R E L I M I N A R Y
Product Specification
Architectural Overview
Z16C30
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