ページ1に含まれる内容の要旨
8XC251SA, 8XC251SB, 8XC251SP, 8XC251SQ
Embedded Microcontroller Users Manual
27279502.qxd 6/18/96 9:25 AM Page 1
8XC251SA, 8XC251SB,
8XC251SP, 8XC251SQ
Embedded Microcontroller
Users Manual
ページ2に含まれる内容の要旨
ページ3に含まれる内容の要旨
8XC251SA, 8XC251SB, 8XC251SP, 8XC251SQ Embedded Microcontroller User’s Manual May 1996 Order Number 272795-002
ページ4に含まれる内容の要旨
Information in this document is provided in connection with Intel products. Intel assumes no liability whatsoever, including in- fringement of any patent or copyright, for sale and use of Intel products except as provided in Intel’s Terms and Conditions of Sale for such products. Intel retains the right to make changes to these specifications at any time, without notice. Microcontroller products may have minor variations to this specification known as errata. *Other brands and names are the pro
ページ5に含まれる内容の要旨
CONTENTS CHAPTER 1 GUIDE TO THIS MANUAL 1.1 MANUAL CONTENTS ................................................................................................... 1-1 1.2 NOTATIONAL CONVENTIONS AND TERMINOLOGY ................................................ 1-3 1.3 RELATED DOCUMENTS .............................................................................................. 1-5 1.3.1 Data Sheet ......................................................................................................
ページ6に含まれる内容の要旨
8XC251SA, SB, SP, SQ USER’S MANUAL 3.3.2.3 Extended Stack Pointer, SPX ............................................................................3-15 3.4 SPECIAL FUNCTION REGISTERS (SFRS) ............................................................... 3-16 CHAPTER 4 DEVICE CONFIGURATION 4.1 CONFIGURATION OVERVIEW .................................................................................... 4-1 4.2 DEVICE CONFIGURATION .....................................................................
ページ7に含まれる内容の要旨
CONTENTS 5.4 BIT INSTRUCTIONS ................................................................................................... 5-11 5.4.1 Bit Addressing .........................................................................................................5-11 5.5 CONTROL INSTRUCTIONS ....................................................................................... 5-12 5.5.1 Addressing Modes for Control Instructions .............................................................5-13 5.
ページ8に含まれる内容の要旨
8XC251SA, SB, SP, SQ USER’S MANUAL 8.2 TIMER/COUNTER OPERATION................................................................................... 8-1 8.3 TIMER 0......................................................................................................................... 8-3 8.3.1 Mode 0 (13-bit Timer) ...............................................................................................8-4 8.3.2 Mode 1 (16-bit Timer) ..........................................................
ページ9に含まれる内容の要旨
CONTENTS 10.2 MODES OF OPERATION............................................................................................ 10-4 10.2.1 Synchronous Mode (Mode 0) ..................................................................................10-4 10.2.1.1 Transmission (Mode 0) ......................................................................................10-4 10.2.1.2 Reception (Mode 0) ............................................................................................10-5 10.
ページ10に含まれる内容の要旨
8XC251SA, SB, SP, SQ USER’S MANUAL 12.2.2 Power Off Flag ........................................................................................................12-1 12.3 IDLE MODE ................................................................................................................. 12-4 12.3.1 Entering Idle Mode ..................................................................................................12-4 12.3.2 Exiting Idle Mode ..............................................
ページ11に含まれる内容の要旨
CONTENTS CHAPTER 14 PROGRAMMING AND VERIFYING NONVOLATILE MEMORY 14.1 GENERAL.................................................................................................................... 14-1 14.1.1 Programming Considerations for On-chip Code Memory .......................................14-2 14.1.2 EPROM Devices .....................................................................................................14-3 14.2 PROGRAMMING AND VERIFYING MODES....................................
ページ12に含まれる内容の要旨
8XC251SA, SB, SP, SQ USER’S MANUAL FIGURES Figure Page 2-1 Functional Block Diagram of the 8XC251SA, SB, SP, SQ...........................................2-2 2-2 The CPU.......................................................................................................................2-5 2-3 Clocking Definitions......................................................................................................2-6 3-1 Address Spaces for MCS® 251 Microcontrollers .............................
ページ13に含まれる内容の要旨
CONTENTS FIGURES Figure Page 8-12 T2CON: Timer 2 Control Register ..............................................................................8-17 9-1 Programmable Counter Array.......................................................................................9-3 9-2 PCA 16-bit Capture Mode ............................................................................................9-6 9-3 PCA Software Timer and High-speed Output Modes...................................................9-8 9
ページ14に含まれる内容の要旨
8XC251SA, SB, SP, SQ USER’S MANUAL FIGURES Figure Page 13-23 Bus Diagram for Example 4: 87C251SB/83C251SB in Nonpage Mode ..................13-24 13-24 Address Space for Example 4..................................................................................13-25 13-25 Bus Diagram for Example 5: 80C251SB in Nonpage Mode.....................................13-27 13-26 Address Space for Examples 5 and 6 ......................................................................13-28 13-27 Bus Diagra
ページ15に含まれる内容の要旨
CONTENTS TABLES Table Page 1-1 Intel Application Support Services................................................................................1-7 2-1 8XC251SA, SB, SP, SQ Features................................................................................2-3 3-1 Address Mappings........................................................................................................3-4 3-2 Minimum Times to Fetch Two Bytes of Code..............................................................
ページ16に含まれる内容の要旨
8XC251SA, SB, SP, SQ USER’S MANUAL TABLES Table Page 10-4 Timer 1 Generated Baud Rates for Serial I/O Modes 1 and 3..................................10-12 10-5 Selecting the Baud Rate Generator(s) .....................................................................10-13 10-6 Timer 2 Generated Baud Rates ...............................................................................10-14 12-1 Pin Conditions in Various Modes.........................................................................
ページ17に含まれる内容の要旨
CONTENTS TABLES Table Page C-4 Serial I/O SFRs ...........................................................................................................C-4 C-5 Timer/Counter and Watchdog Timer SFRs .................................................................C-4 C-6 Programmable Counter Array (PCA) SFRs.................................................................C-5 C-7 Register File .......................................................................................................
ページ18に含まれる内容の要旨
ページ19に含まれる内容の要旨
1 Guide to This Manual
ページ20に含まれる内容の要旨
