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©2006 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applications, or technology described is intended to suggest possible uses and may be superseded.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
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express written approval of ZiLOG, use of information, devices, or technology as critical components
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document under any intellectual property rights.
PS014004-1106
Z80180
Microprocessor Unit
v
Table of Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Multiplexed Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Operation Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Standard Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timing Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASCI Register Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASCI Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASCI Transmit Data Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASCI Receive Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASCI Channel Control Register A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASCI Channel Control Register B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASCI Status Register 0, 1 (STAT0, 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CSIO Control/Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CSIO Transmit/Receive Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timer Data Register Channel 0L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timer Data Register Channel 0H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timer Reload Register 0L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timer Reload Register 0H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timer Control Register (TCR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASCI Extension Control Register Channels 0 and 1 . . . . . . . . . . . . . . . . . . . . .
ASEXT0 and ASEXT1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timer Data Register Channel 1L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timer Data Register Channel 1H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timer Reload Register Channel 1L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timer Reload Register Channel 1H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Free Running Counter I/O Address = 18H . . . . . . . . . . . . . . . . . . . . . . . . .
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PS014004-1106
Talking
京公网安备 11010802033920号
EEWORLD
