Z80C30/Z85C30
CMOS SCC Serial
Communications
Controller
Product Specification
PS011705-0608
Copyright ©2008 by Zilog
®
, Inc. All rights reserved.
www.Zilog.com
CMOS SCC Serial Communications Controller
Product Specification
ii
Warning:
DO NOT USE IN LIFE SUPPORT
LIFE SUPPORT POLICY
Zilog'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE
SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS PRIOR WRITTEN APPROVAL OF
THE PRESIDENT AND GENERAL COUNSEL OF Zilog CORPORATION.
As used herein
Life support devices or systems are devices which (a) are intended for surgical implant into the body, or (b)
support or sustain life and whose failure to perform when properly used in accordance with instructions for
use provided in the labeling can be reasonably expected to result in a significant injury to the user. A
critical component is any component in a life support device or system whose failure to perform can be
reasonably expected to cause the failure of the life support device or system or to affect its safety or
effectiveness.
Document Disclaimer
©2008 by Zilog, Inc. All rights reserved. Information in this publication concerning the devices,
applications, or technology described is intended to suggest possible uses and may be superseded. Zilog,
INC. DOES NOT ASSUME LIABILITY FOR OR PROVIDE A REPRESENTATION OF ACCURACY
OF THE INFORMATION, DEVICES, OR TECHNOLOGY DESCRIBED IN THIS DOCUMENT. Zilog
ALSO DOES NOT ASSUME LIABILITY FOR INTELLECTUAL PROPERTY INFRINGEMENT
RELATED IN ANY MANNER TO USE OF INFORMATION, DEVICES, OR TECHNOLOGY
DESCRIBED HEREIN OR OTHERWISE. The information contained within this document has been
verified according to the general principles of electrical and mechanical engineering.
Z8, Z8 Encore!, Z8 Encore! XP, Z8 Encore! MC, Crimzon, eZ80, and ZNEO are trademarks or registered
trademarks of Zilog, Inc. All other product or service names are the property of their respective owners.
PS011705-0608
CMOS SCC Serial Communications Controller
Product Specification
iii
Revision History
Each instance in Revision History reflects a change to this document from its previous
revision. For more details, refer to the corresponding pages and appropriate links in the
table below.
Date
June
2008
September
2004
Revision Level
05
Description
Updated Zilog logo, Zilog Text,
Disclaimer as per latest
template.
Original issue
Page No
All
01
All
PS011705-0608
Revision History
CMOS SCC Serial Communications Controller
Product Specification
iv
Table of Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Other Features for Z85C30 Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Z85C30/Z80C30 Common Pin Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Z85C30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Z80C30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I/O Interface Capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Z85C30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Z80C30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Z85C30/Z80C30 Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Z85C30 Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Z80C30 Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Standard Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Z80C30/Z85C30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Z85C30 Read/Write Timing Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
6
9
9
13
14
27
27
28
28
34
37
41
41
41
42
43
43
43
44
44
Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Part Number Suffix Designations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
PS011705-0608
Table of Contents
CMOS SCC Serial Communications Controller
Product Specification
1
Overview
The features of Zilog’s Z80C30 and Z85C30 devices include:
•
•
•
•
•
•
•
•
•
•
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•
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Z85C30 — Optimized for Non-Multiplexed Bus Microprocessors.
Z80C30 — Optimized for Multiplexed Bus Microprocessors.
Pin Compatible to NMOS Versions.
Two Independent, 0 to 4.1 Mbit/Second, Full-Duplex Channels. Each channel with
Separate Crystal Oscillator, Baud Rate Generator (BRG), and Digital Phase-Locked
Loop (DPLL) for Clock Recovery.
Multi-Protocol Operation under Program Control; Programmable for NRZ, NRZI, or
FM Data Encoding.
Asynchronous Mode with Five to Eight Bits and One, One and One-Half, or Two
Stop Bits Per Character, Programmable Clock Factor, Break Detection and
Generation; Parity, Overrun, and Framing Error Detection.
Synchronous Mode with Internal or External Character Synchronization on One or
Two Synchronous Characters and CRC Generation and Checking with CRC-16 or
CRC-CCITT Preset to either 1s or 0s.
SDLC/HDLC Mode with Comprehensive Frame-Level Control, Automatic Zero
Insertion and Deletion, I-Field Residue Handling, Abort Generation and Detection,
CRC Generation and Checking, and SDLC Loop.
Software Interrupt Acknowledge Feature (not available with NMOS).
Local Loopback and Auto Echo Modes.
Supports T1 Digital Trunk.
Enhanced DMA Support (not available with NMOS) 10 x 19-Bit Status FIFO 14-Bit
Byte Counter.
Speeds:
–
Z85C3O — 8.5, 10, 16.384 MHz
–
Z80C3O — 8, 10 MHz
PS011705-0608
Overview
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