ZiLOG Z86193 manuales

Zilog Z86193 Manual de usuario (260 paginas)

Marca: Zilog | Categoria: Sensores | Tamaño: 2.37 MB |

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Z8 Family of Microcontrollers

1

UM001604-0108

2

DO NOT USE IN LIFE SUPPORT

2

LIFE SUPPORT POLICY

2

As used herein

2

Document Disclaimer

2

Revision History

3

Table of Contents

4

Table of Contents

5

Product Development Support

10

UM001604-0108 Z8

11

CPU Product Overview

11

Address Space

12

Address Space

13

General-Purpose Registers

14

RAM Protect

14

Working Register Groups

14

Error Conditions

17

Standard Z8 Registers

22

Expanded Z8 Registers

23

Program Memory

26

External Memory

27

External Data Memory

28

Clock Control

31

External Clock Divide-By-Two

32

Oscillator Control

33

Oscillator Operation

34

Circuit Board Design Rules

35

Crystals and Resonators

36

UM001604-0108 Clock

37

Figure 19. LC Clock

37

LC Oscillator

38

RC Oscillator

39

UM001604-0108 Reset

40

Figure 22. Reset Timing

42

User Manual

43

Watchdog Timer

48

Power-On Reset

49

Input/Output Ports

50

Input and Output Registers

51

General I/O Mode

52

Input/Output Ports

53

Read/Write Operations

54

Handshake Operation

54

Handshake Operations

58

General Port I/O

59

Special Functions

68

Port Handshake

70

I/O Port Reset Conditions

73

Analog Comparators

75

Comparator Programming

78

Comparator Operation

79

Comparator Definitions

79

Open-Drain Configuration

80

Low EMI Emission

81

Input Protection

82

CMOS Autolatches

84

Autolatch Model

85

Design Considerations

85

Counters and Timers

87

Prescalers and Counter/Timers

88

Counter/Timer Operation

90

Prescaler Operations

91

External Clock Input Mode

96

Gated Internal Clock Mode

97

Triggered Input Mode

97

Cascading Counter/Timers

98

Counters and Timers

100

Interrupts

102

Interrupt Sources

103

External Interrupt Sources

104

Internal Interrupt Sources

105

Interrupt Initialization

106

Interrupts

107

Reset Conditions

116

Power-Down Modes

117

Power-Down Modes

118

Stop Mode Recovery Register

119

Serial Input/Output

122

UART Bit-Rate Generation

123

Serial Input/Output

124

UART Receiver Operation

125

Overwrites

126

Framing Errors

126

Transmitter Operation

127

UART Reset Conditions

129

Serial Peripheral Interface

129

SPI Operation

132

SPI Compare

132

SPI Clock

132

External Interface

138

External Interface

139

External Stacks

140

Data Memory

141

Bus Operation

141

Address Strobe

143

Data Strobe

143

Extended Bus Timing

144

Instruction Timing

145

Reset Conditions

147

Instruction Set

148

Instruction Set

149

Processor Flags

151

Zero Flag

152

Sign Flag

152

Overflow Flag

152

Decimal Adjust Flag

152

Condition Codes

153

Notation and Binary Encoding

154

Assembly Language Syntax

156

Instruction Summary

157

Op Code Map

163

Instruction Description

164

Instruction Description

165

Add With Carry

168

Call Procedure

171

Complement Carry Flag

173

Complement

175

Decimal Adjust

179

Decrement

182

Decrement Word

185

Disable Interrupts

187

Enable Interrupts

188

Increment

190

Increment Word

192

Interrupt Return

194

Jump Relative

197

Load Constant

202

Load Constant Autoincrement

204

Load External Data

206

No Operation

210

Logical AND

211

Logical OR

214

Logical Exclusive OR

217

Reset Carry Flag

224

C D7D6D5D4D3D2D1D0

226

CD7 D6 D5 D4 D3 D2 D1 D0

230

Set Carry Flag

234

Set Register Pointer

235

Subtract

241

Subtract With Carry

244

Swap Nibbles

247

Test Complement Under Mask

249

Test Under Mask

252

Watchdog Timer

255

UM001604-0108 Index

257

Customer Support

260

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