ISP1181A Просмотр технического описания (PDF) - Philips Electronics

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ISP1181A

Full-speed Universal Serial Bus peripheral controller

Philips Electronics 

Philips Semiconductors

ISP1181A

Full-speed USB peripheral controller

9397 750 13959

Product data

Table 2: Pin description…continued

Symbol[1]

Pin

Type Description

TSSOP48 HVQFN48

EOT

10

5

I

End-Of-Transfer input (programmable

polarity, see Table 21); used by the DMA

controller to force the end of a DMA transfer

to the ISP1181A

DREQ

11

6

O DMA request output (4 mA; programmable

polarity, see Table 21); signals to the DMA

controller that the ISP1181A wants to start

a DMA transfer

DACK

12

7

I

DMA acknowledge input (programmable

polarity, see Table 21); used by the DMA

controller to signal the start of a DMA

transfer requested by the ISP1181A

TEST1

13

8

I

test input; this pin must be connected to

VCC via an external 10 kΩ resistor

TEST2

14

9

I

test input; this pin must be connected to

VCC via an external 10 kΩ resistor

INT

15

10

O interrupt output; programmable polarity

(active HIGH or LOW) and signalling (level

or pulse); see Table 21

TEST3

16

11

O test output; this pin is used for test

purposes only

BUS_CONF0 17

12

I

bus configuration selector; see Table 3

BUS_CONF1 18

13

I

bus configuration selector; see Table 3

DATA15

19

14

I/O bit 15 of D[15:0]; bidirectional data line

(slew-rate controlled output, 4 mA)

DATA14

20

15

I/O bit 14 of D[15:0]; bidirectional data line

(slew-rate controlled output, 4 mA)

DATA13

21

16

I/O bit 13 of D[15:0]; bidirectional data line

(slew-rate controlled output, 4 mA)

DATA12

22

17

I/O bit 12 of D[15:0]; bidirectional data line

(slew-rate controlled output, 4 mA)

DATA11

23

18

I/O bit 11 of D[15:0]; bidirectional data line

(slew-rate controlled output, 4 mA)

DATA10

24

19

I/O bit 10 of D[15:0]; bidirectional data line

(slew-rate controlled output, 4 mA)

GND

25

20

-

ground supply

Vref

26

21

-

I/O pin reference voltage (3.3 V); no

connection if VCC = 5.0 V

DATA9

27

22

I/O bit 9 of D[15:0]; bidirectional data line

(slew-rate controlled output, 4 mA)

DATA8

28

23

I/O bit 8 of D[15:0]; bidirectional data line

(slew-rate controlled output, 4 mA)

DATA7

29

24

I/O bit 7 of D[15:0]; bidirectional data line

(slew-rate controlled output, 4 mA)

DATA6

30

25

I/O bit 6 of D[15:0]; bidirectional data line

(slew-rate controlled output, 4 mA)

Rev. 05 — 08 December 2004

© Koninklijke Philips Electronics N.V. 2004. All rights reserved.

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