beautypg.com

Chapter 3 clock generator and controller – FUJITSU MB91F109 FR30 User Manual

Page 97

background image

73

CHAPTER 3

CLOCK GENERATOR AND CONTROLLER

This chapter provides detailed information on the generation and control of clock
pulses that control the MB91F109.

3.1 Outline of Clock Generator and Controller

3.2 Reset Reason Resister (RSRR) and Watchdog Cycle Control Register

(WTCR)

3.3 Standby Control Register (STCR)

3.4 DMA Request Suppression Register (PDRR)

3.5 Timebase Timer Clear Register (CTBR)

3.6 Gear Control Register (GCR)

3.7 Watchdog Timer Reset Delay Register (WPR)

3.8 PLL Control Register (PCTR)

3.9 Gear Function

3.10 Standby Mode (Low Power Consumption Mechanism)

3.11 Watchdog function

3.12 Reset source hold circuit

3.13 DMA suppression

3.14 Clock doubler function

3.15 Example of PLL Clock Setting