upd78f0124m6gba1-8et Renesas Electronics Corporation., upd78f0124m6gba1-8et Datasheet - Page 11
upd78f0124m6gba1-8et
Manufacturer Part Number
upd78f0124m6gba1-8et
Description
8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0124M6GBA1-8ET.pdf
(545 pages)
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CHAPTER 4 PORT FUNCTIONS........................................................................................................... 79
CHAPTER 5 CLOCK GENERATOR .................................................................................................... 103
3.3
3.4
4.1
4.2
4.3
4.4
5.1
5.2
5.3
5.4
5.5
5.6
5.7
Instruction Address Addressing .............................................................................................. 67
Operand Address Addressing .................................................................................................. 70
Port Functions............................................................................................................................ 79
Port Configuration ..................................................................................................................... 81
Registers Controlling Port Function ........................................................................................ 98
Port Function Operations........................................................................................................ 102
Functions of Clock Generator ................................................................................................ 103
Configuration of Clock Generator .......................................................................................... 103
Registers Controlling Clock Generator ................................................................................. 105
System Clock Oscillator.......................................................................................................... 112
Clock Generator Operation ..................................................................................................... 116
Time Required to Switch Between Internal Oscillation Clock and X1 Input Clock ........... 123
Time Required for CPU Clock Switchover ............................................................................ 124
3.2.3
3.3.1
3.3.2
3.3.3
3.3.4
3.4.1
3.4.2
3.4.3
3.4.4
3.4.5
3.4.6
3.4.7
3.4.8
3.4.9
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.2.6
4.2.7
4.2.8
4.2.9
4.4.1
4.4.2
4.4.3
5.4.1
5.4.2
5.4.3
5.4.4
5.4.5
Special function registers (SFRs) ...................................................................................................63
Relative addressing ........................................................................................................................67
Immediate addressing ....................................................................................................................68
Table indirect addressing ...............................................................................................................69
Register addressing........................................................................................................................69
Implied addressing .........................................................................................................................70
Register addressing........................................................................................................................71
Direct addressing............................................................................................................................72
Short direct addressing...................................................................................................................73
Special function register (SFR) addressing ....................................................................................74
Register indirect addressing ...........................................................................................................75
Based addressing...........................................................................................................................76
Based indexed addressing .............................................................................................................77
Stack addressing ............................................................................................................................78
Port 0..............................................................................................................................................82
Port 1..............................................................................................................................................85
Port 2..............................................................................................................................................90
Port 3..............................................................................................................................................91
Port 6..............................................................................................................................................93
Port 7..............................................................................................................................................94
Port 12............................................................................................................................................95
Port 13............................................................................................................................................96
Port 14............................................................................................................................................97
Writing to I/O port .........................................................................................................................102
Reading from I/O port ...................................................................................................................102
Operations on I/O port ..................................................................................................................102
X1 oscillator ..................................................................................................................................112
Subsystem clock oscillator............................................................................................................112
When subsystem clock is not used...............................................................................................115
Internal oscillator ..........................................................................................................................115
Prescaler ......................................................................................................................................115
User’s Manual U16315EJ3V1UD
11
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