Configuration - Fujitsu MB91460 SERIES FR60 User Manual

Chapter 48 Clock Monitor
3.Configuration

3. Configuration

Clock Monitor
Internal clocks
CMCFG
0000
Disable clock monitor output
0001 Main oscillation before CSV
0010 Sub oscillation before CSV
0011
RC oscillation
0100
Sub clock (after SCKS)
0101 Main oscillation after CSV
0110 Sub oscillation after CSV
0111
Clock modulator output to C-Unit
1000
Clock modulator observer output
1001
PLL output after 1/g
1010 PLL output after 1/m
1011 PLL output after 1/c
1100 PLL input after 1/n
1101 CLKB
1110 CLKP
1111 CLKT
942
Figure 3-1 Configuration Diagram
Selector
CMSEL3:0
CMPRE3:0
0
0
0
0
0
0
0
0
Figure 3-2 Register List
CMCFG
0000
Disable clock monitor output
Others
Prescaler
CMCFG bit 7-4
Clock Output
Frequency
CMPRE3:0
φ
0 0 0 /1 1 0
φ
0 0 /2 0
1 1
φ
0 1 0 /3
0
1
φ
0 1 1 /4
0
1
φ
1 0 0
/5 1
1
φ
1 0 1 /6
1 1
φ
/7
1 1 0 1
1
φ
/8
1 1 1 1 1
CMSEL3:0
Enable clock monitor output
MONCLK
Clock Output
Frequency
φ
0 0 /9
φ
0 /10
1
φ
/11
1 0
φ
/12
1 1
φ
0 0 /13
φ
/14
0 1
φ
/15
1 0
φ
/16
1 1