beautypg.com

2 block diagram of clock supervisor, Block diagram of clock supervisor – FUJITSU F2MCTM-16LX User Manual

Page 127

background image

111

CHAPTER 6 CLOCK SUPERVISOR

6.2

Block Diagram of Clock Supervisor

The clock Supervisor is composed of the following block:
• Main clock supervisor
• Sub clock supervisor
• Control circuit
• Clock supervisor control register (CSVCR)
• Main clock selector
• Sub clock selector
• CR oscillation circuit

Block Diagram of Clock Supervisor

Figure 6.2-1 shows the block diagram of clock supervisor.

Figure 6.2-1 Block Diagram of Clock Supervisor

1/2

Internal bus

Clock Supervisor control register

(CSVCR)

Control circuit

Internal reset

Internal main clock

Internal sub clock

Main clock
selector

Sub clock
selector

Sub clock
supervisor

Main clock
supervisor

CR oscillation
circuit

Enable

Detection

Enable

Enable

Detection

Sub
selection

Main
selection

CR oscillation clock

Main clock

Sub clock