UPD72870 データシートの表示（PDF） - NEC => Renesas Technology

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UPD72870

IEEE1394 1-CHIP OHCI HOST CONTROLLER

NEC => Renesas Technology 

µPD72870,72871

1.5 PCI/Cardbus Select Signals: (2 pins)

Name

CARD_ON

CIS_ON

I/O

Pin No.

LQFP FPBGA

I 157

B3

I 156

A3

IOL

Volts(V)

Function

-

3.3 PCI/Card Select (1:Cardbus, 0:PCI bus)

-

3.3 CIS Register ON

CARD_ON CIS_ON CIS

PME

0

1

off

PME

0

0

on CSTSCHG

1

X

on CSTSCHG

1.6 Serial ROM Interface Signals: (3 pins)

Name

I/O

Pin No.

LQFP FPBGA

GROM_SDA I/O 153

A4

GROM_SCL O 154

B4

GROM_EN I 155

C4

IOL

Volts(V)

Function

6mA

6mA

-

3.3 Serial EEPROM Data Input / Output

3.3 Serial EEPROM Clock Output

3.3 Serial EEPROM Enable

(‘high’: GUID Load enabled, ‘low’: GUID Load disabled)

1.7 Miscellaneous Signals: (1 pin)

Name

PIN_EN

I/O

Pin No.

LQFP FPBGA

I 73

P13

IOL

Volts(V)

Function

-

5/3.3 Pin Enable Input (High clamped)

16

Preliminary Data Sheet S13925EJ2V0DS00

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