Fujitsu 8FX User Manual

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CONTENTS
CHAPTER 1 MEMORY ACCESS MODE .............................................................. 1
1.1 Memory Access Mode ......................................................................................................... 2
CHAPTER 2 CPU .................................................................................................. 3
2.1 Dedicated Registers ............................................................................................................ 4
2.1.1 Register Bank Pointer (RP) ............................................................................................ 6
2.1.2 Direct Bank Pointer (DP) ................................................................................................ 7
2.1.3 Condition Code Register (CCR) ..................................................................................... 9
2.2 General-purpose Register ................................................................................................. 11
2.3 Placement of 16-bit Data in Memory ................................................................................. 13
CHAPTER 3 CLOCK CONTROLLER ................................................................. 15
3.1 Overview ............................................................................................................................ 16
3.2 Oscillation Stabilization Wait Time .................................................................................... 24
3.3 Registers ........................................................................................................................... 27
3.3.1 System Clock Control Register (SYCC) ....................................................................... 28
3.3.2 PLL Control Register (PLLC) ........................................................................................ 29
3.3.3 Oscillation Stabilization Wait Time Setting Register (WATR) ....................................... 30
3.3.4 Standby Control Register (STBC) ................................................................................ 32
3.3.5 System Clock Control Register 2 (SYCC2) .................................................................. 34
3.3.6 Standby Control Register 2 (STBC2) ........................................................................... 36
3.4 Clock Modes ...................................................................................................................... 37
3.5 Operations in Low Power Consumption Mode (Standby Mode) ........................................ 41
3.5.1 Notes on Using Standby Mode ..................................................................................... 42
3.5.2 Sleep Mode .................................................................................................................. 48
3.5.3 Stop Mode .................................................................................................................... 49
3.5.4 Time-base Timer Mode ................................................................................................ 51
3.5.5 Watch Mode ................................................................................................................. 53
3.6 Clock Oscillator Circuit ...................................................................................................... 54
3.7 Overview of Prescaler ....................................................................................................... 55
3.8 Configuration of Prescaler ................................................................................................. 56
3.9 Operation of Prescaler ....................................................................................................... 57
3.10 Notes on Using Prescaler .................................................................................................. 59
CHAPTER 4 RESET ............................................................................................ 61
4.1 Reset Operation ................................................................................................................ 62
4.2 Register ............................................................................................................................. 66
4.2.1 Reset Source Register (RSRR) .................................................................................... 67
4.3 Notes on Using Reset ........................................................................................................ 70
CHAPTER 5 INTERRUPTS ................................................................................. 71
5.1 Interrupts ........................................................................................................................... 72
5.1.1 Interrupt Level Setting Registers (ILR0 to ILR5) ........................................................... 73
5.1.2 Interrupt Processing ..................................................................................................... 75

Fujitsu 8FX Specifications

General

Brand	Fujitsu
Model	8FX
Category	Computer Hardware
Language	English