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SMJ34020A Datasheet, PDF (89/92 Pages) Texas Instruments – GRAPHICS SYSTEM PROCESSOR
host-interrupt timing: HINT (see Figure 50)
NO.
136 td(CK1H-HINTV) Delay time, LCLK1 no longer low to HINT valid
SMJ34020A
GRAPHICS SYSTEM PROCESSOR
SGUS011B – APRIL 1991 – REVISED AUGUST 1995
’34020A-32
’34020A-40
UNIT
30
25 ns
LCLK1
LCLK2
HINT
136
136
Figure 50. Host-Interrupt Timing: HINT
emulator-interface timing (see Figure 51)
NO.
137 tsu(EMV-CK1H) Setup time, EMU0 – EMU2 valid to LCLK1 no longer low
138 th(EMV-CK1H) Hold time, EMU0 – EMU2 valid after LCLK1 no longer low
139 td(CK1L-SCV) Delay time, EMU3 valid after LCLK1 low
140 th(CK2H-SCNV) Hold time, LCLK2 high before EMU3 not valid
’34020A-32
MIN MAX
30
0
25
tQ – 15
’34020A-40
MIN MAX
25
0
20
tQ – 13.5
UNIT
ns
ns
ns
ns
LCLK1
LCLK2
EMU0 – EMU2
EMU3
137
138
137
138
139
139
140
Figure 51. Emulator-Interface Timing
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