Rev. 1.0, 02/00, page 583 of 1141
Figures 26.16 and 26.17 show REF30 (REF30P) when PB is switched to REC.
Cleared
Cleared
Cleared
Cleared
Cleared
Value set in reference
period register 1 (RFD)
Selected VD*
(OD/EV=0)
Note: In the field discrimination mode
Counter mask
(Clear signal mask)
Counter
Value set in REF30
counter register (RFC)
REF30
VD (except in PB)
REC(ASM)
PB
Toggle mask
Field signal
REC/PB
REF30P
About 75%
Masking
period
Masking
period
Figure 26.16 Generation of the Reference Signal when PB is Switched to REC (1)