Rev. 1.0, 02/00, page 659 of 1141
Bit 5
Capstan Phase Correction Auto/Manual Selection Bit (AT/
08
08
08
08
): Selects whether the
generation of the correction reference signal (CAPREF30) for capstan phase control is controlled
automatically or manually depending on the status of the ASM and REC/
3%
bits of CTL mode
register.
Bit 5
AT/
08
08
08
08
Description
0
Manual mode
(Initial value)
1
Auto mode
Bit 4
Capstan Phase Correction Register Selection Bit (TRK/
;
;
;
;
): Determines the method to
generate the CAPREF30 signal when AT/
08
bit is 0.
Bit 4
TRK/
;
;;
;
Description
0
Generates CAPREF30 only by the set value of XDR.
(Initial value)
1
Generates CAPREF30 by the set value of XDR and TRDR.
Bit 3
Reference Signal Selection Bit (EXC/REF): Selects the reference signal to generate the
correction reference signal (CAPREF30).
Bit 3
EXC/REF
Description
0
Generates the signal based on REF30P.
(Initial value)
1
Generates the signal based on the external reference signal.
Bit 2
Clock Source Selection Bit (XCS): Selects the clock source to be supplied to the 10-bit
counter.
Bit 2
XCS
Description
0
φ
s
(Initial value)
1
φ
s/2