ISP1181BBS,551 NXP Semiconductors, ISP1181BBS,551 Datasheet - Page 57

• Manufacturer Part Number: ISP1181BBS,551
• Manufacturer: NXP Semiconductors

Specifications of ISP1181BBS,551

• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / RoHS Status: Compliant

Table 60.
ISP1181B_3
Product data sheet
Symbol
Burst (see
t
t
t
t
Burst EOT (see
t
t
t
t
RSIH
ILRP
IHAP
IHIL
EOT
ISRP
RLIS
WLIS
Fig 29. Burst mode DMA timing.
Dynamic characteristics: burst mode DMA timing
Figure
RD/WR
DREQ
DACK
20.1.4 DMA timing: burst mode
Parameter
input RD/WR HIGH after
DREQ on
DREQ off after input RD/WR
LOW
DACK off after input RD/WR
HIGH
DMA burst repeat interval
(input RD/WR HIGH to LOW)
EOT pulse width
DREQ off after input EOT on
input EOT on after RD LOW
input EOT on after WR LOW
Figure
29)
30)
t RSIH
Conditions
EOT on;
DACK on;
RD/WR LOW
Rev. 03 — 23 January 2009
t IHIL
8-bit bus
Min
22
-
0
90
22
-
-
-
t ILRP
Full-speed USB peripheral controller
Max
-
60
-
-
-
40
22
22
t IHAP
16-bit bus
Min
22
-
0
180
22
-
-
-
© ST-NXP Wireless 2009. All rights reserved.
ISP1181B
Max
-
60
-
-
-
40
89
89
MGS796
Unit
ns
ns
ns
ns
ns
ns
ns
ns
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