Z8F021ASH020SC datasheet(3/276 Pages) ZILOG

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PS022815-0206

Z8 Encore! XP® 4K Series

Product Specification

iii

Revision History

Each instance in the following table reflects a change to this document from its

previous revision. To see more detail, click the appropriate link in the table.

Revision History of this Document

Date

Revision

Level

Description

November

2004

Minor corrections made throughout document. Major changes include adding Timer

caution note in the Timer chapter and Flash controller caution note in the Flash

Memory chapter. In the Ordering chapter, corrected NVDS size typo. Added three

new CPU instructions. Added 20-pin SOIC package drawing in Packaging chapter.

Changed WDT oscillator frequency to 10 KHz in the Oscillator Control chapter.

Clarified NVDS read/write operations in the NVDS Code Interface section.

December

2004

Minor corrections to Low-Power Modes, General Purpose I/O, Analog to

Digital Converter, Comparator, Flash Option Bits, Internal Precision

Oscillator, and Electrical Characteristics Chapters.

31,39,

118,119,1

20,143,14

5,146,177,

202,203

January

2005

Added 8-Pin Development Kit and USB Smart Cable Accessory Kit

ordering information.

227

May 2005 10

Added clarifying information for using the UART Baud Rate Generator as

a simplified timer. Removed 2.2VREF in Table 129. Changed VBO to LVD

in Interrupt Controller. Changed PA5 T1OUT to T1OUT and added

clarification of Ports A-C for 8-pin and 20/28 pin devices in Tables 21, 26

and 27 in the GPIO. Changed TPOR and TSMR typical values in Table

125, and Endurance minimum value in Table 126 in Electrical

Characteristics. Removed 2.2V reference in Electrical Characteristics

and Analog-to-Digital Converter chapters. Added clarifying text when

writing to the Flash Control Register in Flash Memory chapter. Added

Lead-Free Packaging order information

99,

129,39,50,

51,56,58,

59,61,43,

46,203,

204,206,

121,123,

126-140,

222-228

June 2005 11

Inserted missing temperature sensor chapter. Updated Figure1 to include

Transimpedance Amplifier. Added Transimpedance Amplifer to Feature

Description. Removed reference to VBO enable. Updated Table 124

format. Changed Temperature Sensor column in ordering information

pages.

3, 5, 152,

223, 227

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