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SX28AC75-I/TQ датащи(PDF) 2 Page - List of Unclassifed Manufacturers

номер детали SX28AC75-I/TQ
подробное описание детали  Configurable Communications Controllers with EE/Flash Program Memory, In-System Programming Capability and On-Chip Debug
PDF  52 Pages
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производитель  ETC [List of Unclassifed Manufacturers]
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SX28AC75-I/TQ датащи(HTML) 2 Page - List of Unclassifed Manufacturers

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© 2000 Scenix Semiconductor, Inc. All rights reserved.
- 2 -
www.scenix.com
SX18AC/SX20AC/SX28AC/SX18AC75/SX20AC75/SX28AC75
Table of Contents
1.0
Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.2
Key Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.3
Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.3.1
The Virtual Peripheral Concept . . . . . . . . 4
1.3.2
The Communications Controller . . . . . . . . 4
1.4
Programming and Debugging Support . . . . . . . . . . 4
1.5
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.0
Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1
Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2
Pin Descriptions
. . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.3
Part Numbering
. . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.0
Port Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1
Reading and Writing the Ports . . . . . . . . . . . . . . . . . 7
3.1.1
Read-Modify-Write Considerations . . . . . 9
3.2
Port Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.2.1
MODE Register . . . . . . . . . . . . . . . . . . . . 9
3.2.2
Port Configuration Registers . . . . . . . . . . 9
3.2.3
Port Configuration Upon Reset . . . . . . . 10
4.0
Special-Function Registers . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.1
PC Register (02h) . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.2
STATUS Register (03h) . . . . . . . . . . . . . . . . . . . . . 11
4.3
OPTION Register . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.0
Device Configuration Registers . . . . . . . . . . . . . . . . . . . . . 13
5.1
FUSE Word (Read/Program at FFFh in main memory
map) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.2
FUSEX Word (Read/Program via Programming
Command)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.3
DEVICE Word (Hard-Wired Read-Only) . . . . . . . . 14
6.0
Memory Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.1
Program Memory . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.1.1
Program Counter . . . . . . . . . . . . . . . . . . 15
6.1.2
Subroutine Stack . . . . . . . . . . . . . . . . . . 15
6.2
Data Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.2.1
File Select Register (04h) . . . . . . . . . . . 15
7.0
Power Down Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7.1
Multi-Input Wakeup . . . . . . . . . . . . . . . . . . . . . . . . 17
7.2
Port B MIWU/Interrupt Configuration . . . . . . . . . . . 18
8.0
Interrupt Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
9.0
Oscillator Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
9.1
XT, LP or HS modes . . . . . . . . . . . . . . . . . . . . . . . 21
9.2
External RC Mode . . . . . . . . . . . . . . . . . . . . . . . . . 23
9.3
Internal RC Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 23
10.0
Real Time Clock (RTCC)/Watchdog Timer . . . . . . . . . . . . .23
10.1
RTCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
10.2
Watchdog Timer . . . . . . . . . . . . . . . . . . . . . . . . . . .23
10.3
The Prescaler . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
11.0
Comparator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
12.0
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
13.0
Brown-Out Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
14.0
Register States Upon DiffeRent reset operations . . . . . . .29
15.0
Instruction Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
15.1
Instruction Set Features . . . . . . . . . . . . . . . . . . . . .30
15.2
Instruction Execution . . . . . . . . . . . . . . . . . . . . . . .30
15.3
Addressing Modes . . . . . . . . . . . . . . . . . . . . . . . . .30
15.4
RAM Addressing . . . . . . . . . . . . . . . . . . . . . . . . . .31
15.5
The Bank Instruction . . . . . . . . . . . . . . . . . . . . . . .31
15.6
Bit Manipulation . . . . . . . . . . . . . . . . . . . . . . . . . . .31
15.7
Input/Output Operation . . . . . . . . . . . . . . . . . . . . . .31
15.8
Increment/Decrement . . . . . . . . . . . . . . . . . . . . . . .31
15.9
Loop Counting and Data Pointing Testing . . . . . . .31
15.10
Branch and Loop Call Instructions . . . . . . . . . . . . .31
15.10.1
Jump Operation . . . . . . . . . . . . . . . . . . .31
15.10.2
Page Jump Operation . . . . . . . . . . . . . .32
15.10.3
Call Operation . . . . . . . . . . . . . . . . . . . .32
15.10.4
Page Call Operation . . . . . . . . . . . . . . . .32
15.11
Return Instructions . . . . . . . . . . . . . . . . . . . . . . . . .32
15.12
Subroutine Operation . . . . . . . . . . . . . . . . . . . . . . .33
15.12.1
Push Operation . . . . . . . . . . . . . . . . . . .33
15.12.2
Pop Operation . . . . . . . . . . . . . . . . . . . .33
15.13
Comparison and Conditional Branch Instructions .34
15.14
Logical Instruction . . . . . . . . . . . . . . . . . . . . . . . . .34
15.15
Shift and Rotate Instructions . . . . . . . . . . . . . . . . .34
15.16
Complement and SWAP . . . . . . . . . . . . . . . . . . . .34
15.17
Key to Abbreviations and Symbols . . . . . . . . . . . . .34
16.0
Instruction Set Summary Table . . . . . . . . . . . . . . . . . . . . . .35
16.1
Equivalent Assembler Mnemonics . . . . . . . . . . . . .38
17.0
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . .39
17.1
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . .39
17.2
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . .40
17.3
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . .41
17.4
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . .42
17.5
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . .43
17.6
Comparator DC and AC Specifications . . . . . . . . .43
17.7
Typical Performance Characteristics. . . . . . . . . . . .44
18.0
Package Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47



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