Rev. 2.0, 11/00, page 645 of 1037
Value set in reference
period register 1 (RFD)
Selected VD
(OD/EV=0)
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
50%
Cleared
Cleared
Cleared
Cleared
Masking
period
Masking
period
Figure 28.17 Generation of the Reference Signal when PB is Switched to REC (2)
Summary of Contents for Hitachi H8S/2191
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