CDP1020 Просмотр технического описания (PDF) - Intersil

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CDP1020

SMBus/I2C ACPI Dual Device Bay Controller

Intersil 

CDP1020

Pin Descriptions

PIN NUMBER

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

PIN NAME

RESET

TEST

1394PR0

USBPR0

REMREQ0

SECURE0

1394PR1

USBPR1

REMREQ1

SECURE1

SDA

SCK

ALRT

VGATE

PWREN0

PWREN1

SFTLOCK0

SFTLOCK1

LEDG0

LEDA0

LEDG1

LEDA1

VLED

VDD

VSS

CLK

AD0

AD1

Block Diagram

RESET

IN/OUT

IN

-

IN

IN

IN

IN

IN

IN

IN

IN

IN/OUT

IN/OUT

OUT

-

OUT

OUT

OUT

OUT

OUT

OUT

OUT

OUT

-

-

-

IN

IN

IN

AD1

AD0

SCK

SDA

ALRT

I 2C/SMBus

INTERFACE

1394PR0

USBPR0

REMREQ0

SECURE0

LEDA0

LEDG0

PWREN0

SFTLOCK0

VLED

VGATE

DEBOUNCE

LOGIC and

PULLUP Rs

TIMER/

LEVEL

SHIFTER

LEVEL

SHIFT

PIN DESCRIPTION

Device Bay Controller Master Reset Schmitt Input

Test pin used by manufacturer only. Must be externally connected to VDD

Bay 0 1394 Presence Input with Active Pull-up

Bay 0 USB Presence Input with Active Pull-up

Bay 0 Remove Request Input with Active Pull-up

Bay 0 Security Input with Active Pull-up

Bay 1 1394 Presence Input with Active Pull-up

Bay 1 USB Presence Input with Active Pull-up

Bay 1 Remove Request Input with Active Pull-up

Bay 1 Security Input with Active Pull-up

SMBus/I2C Data Schmitt Input/Open-Drain Output

SMBus/I2C Clock Schmitt Input/Open-Drain Output

SMBus Alert Open-Drain Output

Power Supply Input for PWREN0/PWREN1 Drivers

Bay 0 Power Enable 12V NMOS Gate Drive Output

Bay 1 Power Enable 12V NMOS Gate Drive Output

Bay 0 Software Controlled Lock Mechanism Driver

Bay 1 Software Controlled Lock Mechanism Driver

Bay 0 Status Indicator (Green LED) Driver

Bay 0 Status Indicator (Amber LED) Driver

Bay 1 Status Indicator (Green LED) Driver

Bay 1 Status Indicator (Amber LED) Driver

Power Supply Input for LED Driver (LEDAx, LEDGx)

Power Supply Input (Power)

Power Supply Return (Ground or GND)

External Clock Schmitt Input (for RC oscillator)

SMBus/I2C Address Configuration Bit 0

SMBus/I2C Address Configuration Bit 1

DEVICE BAY

CONTROLLER LOGIC

BSTR0 - $10

BCER0 - $14

BSTR1 - $18

BCER1 - $1C

OSCILLATOR

CIRCUITRY

VENDOR - $00

REVISION - $04

SUBSYS VENDOR - $08

SUBSYS REV- $0A

DBCCR - $0C

SFR - $FC

DEBOUNCE

LOGIC and

PULLUP Rs

TIMER/

LEVEL

SHIFTER

CLK

1394PR1

USBPR1

REMREQ1

SECURE1

LEDA1

LEDG1

LEVEL

SHIFT

PWREN1

SFTLOCK1

VLED

VGATE

2-419

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