GS1501 Gennum Corporation, GS1501 Datasheet - Page 14

• Manufacturer Part Number: GS1501
• Description: Hd-linx (tm) THDTV Serial Digital Formatter With Anc Fifos
• Manufacturer: Gennum Corporation

PCLK_IN
WEN
(Low)
W_CLK
ANC_IN[9:0]
WORD989
WORD990
WORD991
WORD992
WORD993
100
101
FF_STA[2:0]
(Half Full)
(Almost Full)
Fig. 13 FIFO Half Full to Almost Full Write Timing
PCLK_IN
WEN
W_CLK
WORD
WORD
WORD
WORD
WORD
WORD
WORD
WORD
ANC_IN9:0]
1022
1023
1024
1025
1026
1027
1028
1029
101
110
111
110
FF_STA[2:0]
(Almost Full)
(Full)
(Write Error)
(Full)
Fig. 14 FIFO Almost Full to Full to Write Error Timing
PCLK_IN
W_CLK
FFRST
At least 5 cycles of slowest clock
REN/WEN
High for at least 1 cycle
after FFRST toggles
Fig. 15 Recommended External FIFO Reset Process
14
GENNUM CORPORATION
52234 - 4