Rev. 1.0, 02/00, page 714 of 1141
W
Internal bus
RCDR2or4
(12 bits)
W
RCDR1
(12 bits)
UP/DOWN counter (12 bits)
Counter
REF30X
REC-CTL
Counter
reset
Match detection
Match detection
End of writing of one CTL
pulse (except VISS) IRRCTL
RCDR2 (VISS/VASS S1 pulse)
RCDR3 (VISS/VASS L1 pulse, or ASM)
RCDR4 (VISS/VASS S0 pulse)
RCDR5 (VISS/VASS L0 pulse)
RCDR1
Clear
Upper 12 bits
REC-CTL 0 pulse fall
timing
REC-CTL rise timing
REC-CTL1 pulse,
ASM fall timing
RESET
REF30X
↑
W
RCDR3or5
(12 bits)
φ
s/4
Compare
Compare
Compare
Figure 26.60 REC-CTL Signal Generation Timing