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Teilenummer | D789104 |
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Beschreibung | UPD789104 | |
Hersteller | NEC Electronics | |
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Gesamt 30 Seiten www.DataSheet4U.com
User’s Manual
µPD789104A, 789114A, 789124A,
789134A Subserieswww.DataSheet4U.com
8-bit Single-chip Microcontrollers
µPD789101A
µPD789102A
µPD789104A
µPD789111A
µPD789112A
µPD789114A
µPD78F9116A
µPD789101A(A)
µPD789102A(A)
µPD789104A(A)
µPD789111A(A)
µPD789112A(A)
µPD789114A(A)
µPD7D8at9aS1h2ee1t4AU.com
µPD789122A
µPD789124A
µPD789131A
µPD789132A
µPD789134A
µPD78F9136A
µPD789121A(A)
µPD789122A(A)
µPD789124A(A)
µPD789131A(A)
µPD789132A(A)
µPD789134A(A)
Document No. U14643EJ1V0UM00 (1st edition)
Date Published June 2000 NS CP(K)
© 2000
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User’s Manual U14643EJ1V0UM00
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4.1.2 Internal data memory (internal high-speed RAM) space ........................................................
4.1.3 Special function register (SFR) area .......................................................................................
4.1.4 Data memory addressing .........................................................................................................
4.2 Processor Registers ..........................................................................................................
4.2.1 Control registers .......................................................................................................................
4.2.2 General registers ......................................................................................................................
4.2.3 Special function registers (SFRs) ............................................................................................
4.3 Instruction Address Addressing ......................................................................................
4.3.1 Relative addressing ..................................................................................................................
4.3.2 Immediate addressing ..............................................................................................................
4.3.3 Table indirect addressing .........................................................................................................
4.3.4 Register addressing .................................................................................................................
www.DataSheet4U.com4.4 Operand Address Addressing ..........................................................................................
4.4.1 Direct addressing .....................................................................................................................
4.4.2 Short direct addressing ............................................................................................................
4.4.3 Special function register (SFR) addressing ............................................................................
4.4.4 Register addressing .................................................................................................................
4.4.5 Register indirect addressing ....................................................................................................
4.4.6 Based addressing .....................................................................................................................
4.4.7 Stack addressing ......................................................................................................................
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CHAPTER 5 PORT FUNCTIONS .....................................................................................................
5.1 Functions of Ports .............................................................................................................
5.2 Port Configuration .............................................................................................................
5.2.1 Port 0 ...........................................D...a..t.a..S...h..e..e...t.4..U.....c..o..m................................................................
5.2.2 Port 1 ........................................................................................................................................
5.2.3 Port 2 ........................................................................................................................................
5.2.4 Port 5 ........................................................................................................................................
5.2.5 Port 6 ........................................................................................................................................
5.3 Port Function Control Registers ......................................................................................
5.4 Operation of Port Functions .............................................................................................
5.4.1 Writing to I/O port .....................................................................................................................
5.4.2 Reading from I/O port ..............................................................................................................
5.4.3 Arithmetic operation of I/O port ................................................................................................
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CHAPTER 6 CLOCK GENERATOR (µPD789104A, 789114A SUBSERIES) ...............................
6.1 Function of Clock Generator ............................................................................................
6.2 Configuration of Clock Generator ...................................................................................
6.3 Register Controlling Clock Generator ............................................................................
6.4 System Clock Oscillator ....................................................................................................
6.4.1 System clock oscillator .............................................................................................................
6.4.2 Divider .......................................................................................................................................
6.5 Operation of Clock Generator ..........................................................................................
6.6 Changing Setting of CPU Clock .......................................................................................
6.6.1 Time required for switching CPU clock ...................................................................................
6.6.2 Switching CPU clock ................................................................................................................
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12 Page | ||
Seiten | Gesamt 30 Seiten | |
PDF Download | [ D789104 Schematic.PDF ] |
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