ISP1181ABS NXP Semiconductors, ISP1181ABS Datasheet - Page 56

• Manufacturer Part Number: ISP1181ABS
• Manufacturer: NXP Semiconductors

Specifications of ISP1181ABS

• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Compliant

Philips Semiconductors
Table 59:
9397 750 13959
Product data
Symbol
8237 compatible mode (see
t
T
Read in DACK-only mode (see
t
t
t
t
t
t
Write in DACK-only mode (see
t
t
t
t
t
Single-cycle EOT (see
t
t
t
t
t
ASRP
ASRP
ASAP
ASAP
APRS
ASDV
APDZ
ASRP
ASAP
APRS
DVAP
APDZ
RSIH
IHAP
EOT
RLIS
WLIS
Fig 25. DMA timing in 8237 compatible mode.
cy(DREQ)
+
+
DREQ
DACK
Dynamic characteristics: single-cycle DMA timing
Parameter
DREQ off after DACK on
cycle time signal DREQ
DREQ off after DACK on
DACK pulse width
DREQ on after DACK off
data valid after DACK on
data hold after DACK off
DREQ off after DACK on
DREQ on after DACK off
data setup before DACK off
data hold after DACK off
input RD/WR HIGH after DREQ on
DACK off after input RD/WR HIGH
EOT pulse width
input EOT on after RD LOW
input EOT on after WR LOW
20.3 DMA timing: single-cycle mode
Figure
Figure
28)
Figure
Figure
25)
26)
27)
Conditions
EOT on;
DACK on;
RD/WR LOW
Rev. 05 — 08 December 2004
t ASRP
T cy(DREQ)
Min
-
90
-
25
90
-
-
-
90
5
3
22
0
22
-
-
8-bit bus
Full-speed USB peripheral controller
Max
40
-
40
-
-
22
3
40
-
-
-
-
-
-
22
22
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Min
-
180
-
25
180
-
-
-
180
5
3
22
0
22
-
-
16-bit bus
ISP1181A
Max
40
-
40
-
-
22
3
40
-
-
-
-
-
-
89
89
MGS792
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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