參數(shù)資料
型號(hào): SX28AC75DP
英文描述: IC-8-BIT MCU
中文描述: 集成電路8位微控制器
文件頁(yè)數(shù): 2/42頁(yè)
文件大?。?/td> 312K
代理商: SX28AC75DP
1999 Scenix Semiconductor, Inc. All rights reserved.
- 2 -
www.scenix.com
SX18AC / SX20AC / SX28AC
Table of Contents
1.0
Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
1.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
1.2
Key Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
1.2.1
CPU Features . . . . . . . . . . . . . . . . . . . . .3
1.2.2
I/O Features . . . . . . . . . . . . . . . . . . . . . . .3
1.3
Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1.4
Programming and Debugging Support . . . . . . . . . .3
1.5
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.1
Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.2
Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.3
Part Numbering . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Port Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
3.1
Reading and Writing the Ports . . . . . . . . . . . . . . . . .6
3.1.1
Read-Modify-Write Considerations . . . . .7
3.2
Port Configuration . . . . . . . . . . . . . . . . . . . . . . . . . .8
3.2.1
MODE Register . . . . . . . . . . . . . . . . . . . .8
3.2.2
Port Configuration Registers . . . . . . . . . .8
3.2.3
Port Configuration Upon Reset . . . . . . . .9
Special-Function Registers . . . . . . . . . . . . . . . . . . . . . . . . .10
4.1
PC Register (02h) . . . . . . . . . . . . . . . . . . . . . . . . .10
4.2
STATUS Register (03h) . . . . . . . . . . . . . . . . . . . . .10
4.3
OPTIONRegister . . . . . . . . . . . . . . . . . . . . . . . . . .11
Device Configuration Registers . . . . . . . . . . . . . . . . . . . . .12
5.1
FUSE Word (Read/Program at FFFh in main memory
map) 12
5.2
FUSEX Word (Read/Program via Programming
Command) 13
5.3
DEVICE Word (Hard-Wired Read-Only) . . . . . . . .13
Memory Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
6.1
Program Memory . . . . . . . . . . . . . . . . . . . . . . . . . .14
6.1.1
Program Counter . . . . . . . . . . . . . . . . . .14
6.1.2
Subroutine Stack . . . . . . . . . . . . . . . . . .14
6.2
Data Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
6.2.1
File Select Register (04h) . . . . . . . . . . .14
Power Down Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
7.1
Multi-Input Wakeup . . . . . . . . . . . . . . . . . . . . . . . .16
7.2
Port B MIWU/Interrupt Configuration . . . . . . . . . . .17
Interrupt Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Oscillator Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
9.1
XT, LP or HS modes . . . . . . . . . . . . . . . . . . . . . . .20
9.2
External RC Mode . . . . . . . . . . . . . . . . . . . . . . . . .21
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
9.3
Real Time Clock (RTCC)/Watchdog Timer . . . . . . . . . . . . .21
10.1
RTCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
10.2
Watchdog Timer . . . . . . . . . . . . . . . . . . . . . . . . . . .21
10.3
The Prescaler . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Comparator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Brown-Out Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Register States Upon DiffeRent reset operations . . . . . . .26
Instruction Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
15.1
Instruction Set Features . . . . . . . . . . . . . . . . . . . . .27
15.2
Instruction Execution . . . . . . . . . . . . . . . . . . . . . . .27
15.3
Addressing Modes . . . . . . . . . . . . . . . . . . . . . . . . .27
15.4
RAM Addressing . . . . . . . . . . . . . . . . . . . . . . . . . .28
15.5
The Bank Instruction . . . . . . . . . . . . . . . . . . . . . . .28
15.6
Bit Manipulation . . . . . . . . . . . . . . . . . . . . . . . . . . .28
15.7
Input/Output Operation . . . . . . . . . . . . . . . . . . . . . .28
15.8
Increment/Decrement . . . . . . . . . . . . . . . . . . . . . . .28
15.9
Loop Counting and Data Pointing Testing . . . . . . .28
15.10
Branch and Loop Call Instructions . . . . . . . . . . . . .28
15.10.1
Jump Operation . . . . . . . . . . . . . . . . . . .28
15.10.2
Page Jump Operation . . . . . . . . . . . . . .29
15.10.3
Call Operation . . . . . . . . . . . . . . . . . . . .29
15.10.4
Page Call Operation . . . . . . . . . . . . . . . .29
15.11
Return Instructions . . . . . . . . . . . . . . . . . . . . . . . . .29
15.12
Subroutine Operation . . . . . . . . . . . . . . . . . . . . . . .29
15.12.1
Push Operation . . . . . . . . . . . . . . . . . . .29
15.12.2
Pop Operation . . . . . . . . . . . . . . . . . . . .30
15.13
Comparison and Conditional Branch Instructions .30
15.14
Logical Instruction . . . . . . . . . . . . . . . . . . . . . . . . .30
15.15
Shift and Rotate Instructions . . . . . . . . . . . . . . . . .30
15.16
Complement and SWAP . . . . . . . . . . . . . . . . . . . .30
15.17
Key to Abbreviations and Symbols . . . . . . . . . . . . .30
Instruction Set Summary Table . . . . . . . . . . . . . . . . . . . . . .31
16.1
Equivalent Assembler Mnemonics . . . . . . . . . . . . .34
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . .35
17.1
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . .35
17.2
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . .36
17.3
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . .37
17.4
Comparator DC and AC Specifications . . . . . . . . .38
Package Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Internal RC Mode . . . . . . . . . . . . . . . . . . . . . . . . . .21
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
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參數(shù)描述
SX28AC75-I/DP 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Configurable Communications Controllers with EE/Flash Program Memory, In-System Programming Capability and On-Chip Debug
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SX28AC75-I/SS 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Configurable Communications Controllers with EE/Flash Program Memory, In-System Programming Capability and On-Chip Debug
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