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SAB 80515 Series
Siemens SAB 80515 Series User Manual
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User
'
s Manual 08.95
Microcomputer Components
SAB 80
5
1
5
/
SAB 80C
5
1
5
8-Bit Single-Chip Microcontroller Family
*
2
Table of Contents
1 Introduction
6
2 Fundamental Structure
10
2.1 Differences between MYMOS (SAB 80515/80535) an...
13
2.1.1 Power Saving Modes
13
2.1.2 Special Function Register PCON
13
2.1.3 Port Driver Circuitries
14
2.1.4 The A/D Converter Input Ports
14
2.1.5 A/D Converter Timings
15
2.1.6 The Oscillator and Clock Circuits
15
2.1.7 The VBB Pin
15
3 Central Processing Unit
16
3.1 General Description
16
3.2 CPU Timing
17
4 Memory Organization
19
4.1 Program Memory
19
4.2 Data Memory
19
4.3 General Purpose Register
23
4.4 Special Function Registers
23
5 External Bus Interface
27
5.1 Accessing External Memory
27
5.2 PSEN, Program Store Enable
29
5.3 ALE, Address Latch Enable
29
5.4 Overlapping External Data and Program Memory S...
29
6 System Reset
31
6.1 Hardware Reset and Power-Up Reset
31
6.1.1 Reset Function and Circuitries
31
6.1.2 Hardware Reset Timing
34
7 On-Chip Peripheral Components
35
7.1 Parallel I/O
35
7.1.1 Port Structures
35
7.1.1.1 Digital I/O Port Circuitry (MYMOS/ACMOS)
36
7.1.1.2 MYMOS Port Driver Circuitry
39
7.1.1.3 ACMOS Port Driver Circuitry
39
7.1.2 Port 0 and Port 2 Used as Address/Data Bus
41
7.1.3 Alternate Functions
42
7.1.4 Port Handling
44
7.1.4.1 Port Timing
44
7.1.4.2 Port Loading and Interfacing
45
7.1.4.3 Read-Modify-Write Feature of Ports 0 throu...
45
7.2 Serial Interfaces
47
7.2.1 Operating Modes of Serial Interface
47
7.2.2 Multiprocessor Communication Feature
50
7.2.3 Baud Rates
50
7.2.4 Detailed Description of the Operating Modes
54
7.2.4.1 Mode 0, Synchronous Mode
54
7.2.4.2 Mode 1, 8-Bit UART
55
7.2.4.3 Mode 2, 9-Bit UART
57
7.2.4.4 Mode 3, 9-Bit UART
57
7.3 Timer 0 and Timer 1
65
7.3.1 Mode 0
68
7.3.2 Mode 1
69
7.3.3 Mode 2
70
7.3.4 Mode 3
71
7.4 A/D Converter
72
7.4.1 Function and Control
74
7.4.1.1 lnitialization and Input Channel Selection...
74
7.4.1.2 Start of Conversion
75
7.4.2 Reference Voltages
76
7.4.3 A/D Converter Timing
80
7.5 Timer 2 with Additional Compare/Capture/Reload...
82
7.5.1 Timer 2
85
7.5.2 Compare Function of Registers CRC, CC1 to CC...
88
7.5.2.1 Compare Mode 0
88
7.5.2.2 Compare Mode 1
92
7.5.2.3 Using Interrupts in Combination with the C...
94
7.5.3 Capture Function
96
7.6 Power Saving Modes
98
7.6.1 Power Saving Modes of the SAB 80515/80535
99
7.6.1.1 Power-Down Mode of the SAB 80515/80535
99
7.6.2 Power Saving Modes of the SAB 80515/80535
100
7.6.2.1 Power-Down Mode of the SAB 80C515/80C535
101
7.6.2.2 Idle Mode of the SAB 80C515/80C535
102
7.7 Watchdog Timer
105
7.8 Oscillator and Clock Circuit
107
7.8.1 Crystal Oscillator Mode
107
7.8.2 Driving for External Source
107
7.8.2.1 Driving the SAB 80515/80535 from External ...
108
7.8.2.2 Driving the SAB 80C515/80C535 from Externa...
109
7.9 System Clock Output
110
8 Interrupt System
112
8.1 Interrupt Structure
112
8.2 Priority Level Structure
120
8.3 How Interrupts are Handled
122
8.4 External Interrupts
125
8.5 Response Time
126
9 Instruction Set
127
9.1 Addressing Modes
127
9.2 Introduction to the Instruction Set
129
9.2.1 Data Transfer
129
9.2.2 Arithmetic
130
9.2.3 Logic
132
9.2.4 Control Transfer
132
9.3 Instruction Definitions
134
10 Device Specifications
214
4
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Siemens SAB 80515 Series Specifications
General
Brand
Siemens
Model
SAB 80515 Series
Category
Microcontrollers
Language
English
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