Rev. 1.0, 02/00, page 722 of 1141
26.14.3
CFG Frequency Divider
Block Diagram: Figure 26.65 shows a block diagram of the 7-bit CFG frequency divider and its
mask timer.
W
R/W
W
W
W
W
W
R
W
Internal bus
CMN
CRF
UDF
UDF
UDF
CFG
DVCFG
DVCFG2
↑
,
↑↓
MCGin
Internal bus
CPS1,
CPS0
CTMR(6 bits)
CDIVR2(7 bits)
DVTRG
PB(ASM)
→
REC
φ
s = fosc/2
φ
s/1024
φ
s/512
φ
s/256
φ
s/128
Down counter (6 bits)
CDIVR(7 bits)
CMK
S
R
Edge
select
CDVC
CDVC
CDVC
CDVC
CDVC
Down counter (7 bits)
Down counter (7 bits)
Figure 26.65 CFG Frequency Divider