Rev. 1.0, 02/00, page 590 of 1141
R
W
W
R/W
R/W
W
R/W
R/W
STRIG
IRRHSW2
ISEL2
AudioFF
VideoFF
HSW
NHSW
Mlevel
Vpulse
ADTRG
IRRHSW1
R
VD
PB
W
R/W
R/W
Cleared
Cleared
CLK
W
R
↑
,
↓
NCDFG
FRCOVF
DPG
↑
CKSL
VFF/NFF
Internal bus
W
FPDRA
FPDRB
FTPRA
FTPRB
W
ISEL1
OFG
FIFO output pattern
register 1
FIFO output pattern
register 2
SOFG
LOP
R/W
R/W
R
R
WW
CLRA,B
OVWA,B
EMPA,B
FLA,B
R/W
R/W
HSM2
HSM1
HSLP
EDG
HSW loop stage
number setting
register
Internal bus
FGR20FF
FRT
CCLR
Edge
detector
Control
circuit
FIFO 1
(31 bits
×
10 stages)
15 bits
P77 to 70
(PPG output)
FIFO timing pattern
register 1
FIFO timing pattern
register 2
16 bits
FIFO2
(31 bits
×
10 stages)
15 bits
16 bits
FIFO output selector & output buffer
15 bits
16 bits
DFCRB
DFCRA
DFCRA
HSM2
HSM2
Capture
HSM2
DFCRA
DFCRA
DFG reference
register 1
Comparator
(5 bits)
Comparator
(5 bits)
DFG reference
register 2
DFCTR
5-bit counter
Compare circuit (16 bits)
FTCTR (16 bits)
16-bit timer counter
φ
s/4
φ
s/8
Figure 26.22 Block Diagram of the HSW Timing Generator