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Ez80f91 MCU Product Specification

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Ez80f91 MCU Product Specification eZ80Acclaim!® Flash Microcontrollers eZ80F91 MCU Product Specification PS019216-0316 Copyright ©2016 by Zilog®, Inc. All rights reserved. www.zilog.com eZ80F91 MCU Product Specification DO NOT USE IN LIFE SUPPORT Warning: 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 ©2016 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concerning the devices, applications, or technology described is intended to suggest possible uses and may be superseded.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. eZ80, Z80, and eZ80Acclaim! are registered trademarks of Zilog, Inc. All other product or service names are the property of their respective owners. PS019216-0316 eZ80F91 MCU Product Specification iii Revision History Each instance in the Revision History reflects a change to this document from its previous revision. For more details, refer to the corresponding pages or appropriate links given in the table below. Revision Page Date Level Section Description Number March 16 Chapter 12. Real Time Added clarification about leap year 159 2016 Clock; All compensation when BCD operation is enabled; updated Zilog logo on title page and in header. September 15 All Updated logos and copyright date. All 2010 August 14 Ordering Information Updated Part Number Description 360 2008 section. May 2008 13 Introduction, Figure 48, ZDI- Replaced ZPAK II with USB Smart 231, 232, Supported Protocol, and Cable and 233 Figure 49 September 12 General-Purpose Input/ Updated Table 1, Figure 6, Flash 4, 53, 2007 Output, Flash Memory, Program Control Register, UART 112,174, Universal Asynchronous Transmitter, Figure 40, Table 93, I2C 176, 201, Receiver/Transmitter, Serial Registers and Ordering Information. 223, and 359 Peripheral Interface, Real- Time Clock Control Register, I2C Serial I/O Interface, Pin Description, and Ordering Information. February 11 Register Map, GPIO Mode 7—Alternate Functions, Register Map - 27, 45, 54, 2007 Table 3. Low-Power Modes, Electrical Characteristics chapters. 339 Updated Table 93. PS019216-0316 Revision History eZ80F91 MCU Product Specification iv Revision Page Date Level Section Description Number June 2006 10 Global modifications Updated for new release. All Pin Identification on the Table 3: The description of the 6 eZ80F91 Device following pins modified: pins 55, 61, 63 and 69 General-Purpose Input/ GPIO chapter totally rewritten 49 Output Chip Selects and Wait Input/Output chip select operation 65 States modified Flash Memory The following sections are modified in 97 Flash memory chapter: Erasing Flash memory, Information page characteristics, Flash Write/Erase protection register, Flash program control registers, and Table 43. Real-Time Clock Overview Added a note in real time clock 159 overview section Universal Asynchronous Table 102 and 109 modified 175 Receiver/Transmitter Infrared Encoder/Decoder The field [7:4] modified in Table 111 199 Control Registers Zilog Debug Interface Updated the Introduction section, 231 Added two paragraphs to ZDI Read Memory Registers On-Chip Oscillators On page 349, Figure 63: 336 Recommended Crystal Oscillator Configuration, the value of inductance L is changed to 3.3 μH. On page 351, Table 232, changed serial resistance value from 40 kΩ to 50 kΩ POR and VBO Electrical In Table 235: Min, Typ, and Max 341 Characteristics values of VBO voltage threshold modified and added ISpor_vbo parameter Ordering Information Ordering information modified 359 PS019216-0316 Revision History eZ80F91 MCU Product Specification v Table of Contents Architectural Overview . 1 Features . 1 Block Diagram . 2 Pin Description . 4 Pin Characteristics . 6 System Clock Source Options . 25 Register Map . 27 eZ80® CPU Core . 39 Features . 39 New Instructions . 39 Reset . 41 External Reset Input and Indicator . 41 Power-On Reset . 42 Voltage Brownout Reset . 42 Low-Power Modes . 45 SLEEP Mode . 45 HALT Mode . 45 Clock Peripheral Power-Down Registers . 46 General-Purpose Input/Output . 49 GPIO Operation . 49 GPIO Interrupts . 54 GPIO Control Registers . 55 Interrupt Controller . 57 Maskable Interrupts . 57 GPIO Port Interrupts . 64 Chip Selects and Wait States . 65 Memory and I/O Chip Selects . 65 Memory Chip Select Operation . 65 Input/Output Chip Select Operation . 68 Wait States . 68 WAIT Input Signal . 69 Chip Selects During Bus Request/Bus Acknowledge Cycles . 70 PS019216-0316 eZ80F91 MCU Product Specification vi Bus Mode Controller . 70 eZ80® Bus Mode . 71 Z80® Bus Mode . 71 Intel Bus Mode . 73 Motorola Bus Mode . 80 Chip Select Registers . 85 Bus Arbiter . 89 Random Access Memory . 93 RAM Control Registers . 94 Flash Memory . 97 Flash Memory Overview . 98 Reading Flash Memory . 98 Memory Read . 99 Programming Flash Memory . 99 Erasing Flash Memory . 101 Information Page Characteristics . 102 Flash Control Registers . 102 Watchdog Timer . 115 Watchdog Timer Operation . 116 Watchdog Timer Registers . 117 Programmable Reload Timers . 121 Basic Timer Operation . 122 Specialty Timer Modes . 126 Timer Port Pin Allocation . 129 Timer Registers . 130 Multi-PWM Mode . 145 PWM Master Mode . ..
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