ISP1581 데이터 시트보기 (PDF) - Philips Electronics

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ISP1581

Universal serial bus 2.0 high-speed interface device

Philips Electronics 

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3.3 V

1.5

kΩ

RPU 7

RREF 8

12.0 kΩ

to/from USB

D+ D−

65

SoftConnect

USB 2.0

TRANSCEIVER

12 MHz

XTAL1

60

XTAL2

59

PHILIPS

SIE/PIE

MEMORY

MANAGEMENT

UNIT

RESET

10

POWER-ON

RESET

internal

reset

VCC(5.0)

3.3 V

2

VOLTAGE

5 V REGULATORS 3.3 V

digital

supply

analog

supply

SYSTEM

CONTROLLER

INTEGRATED

RAM

(8 KBYTE)

CS0, CS1,

DREQ, DACK,

DA0*, DA1*, DA2 DIOR, DIOW

5

18, 17,

19, 20, 21

4

12, 13,

14, 15

DMA

HANDLER

DMA

INTERFACE

DMA

REGISTERS

11

16

22

40, 41,

44 to 57 16

19

20, 9 2

EOT

INTRQ

IORDY*

DATA0 to DATA15

BUS_CONF *

MODE0*, MODE1

MICRO-

CONTROLLER

HANDLER

ISP1581

MICRO

CONTROLLER

INTERFACE

22

30 to 35, 38, 39 8

25, 29, 26, 27 4

28

READY*

AD0 to AD7

CS, ALE/A0, (R/W)/RD,

DS/ WR

INT

1, 23,

36, 42, 61

24, 37,

3

4 43, 58, 64

5

DGND

1

5

AGND

VCC(3.3)

VC C A (3.3)

63

62

TEST WAKEUP

* Denotes shared pin usage

004aaa153

The direction of pins DREQ, DACK, DIOR and DIOW is determined by bit MASTER (DMA Hardware register) and bit ATA_MODE (DMA Configuration register).

Fig 1. Block diagram.

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