UPD72012 datasheet(13/36 Pages) NEC

13 / 36 page

Data Sheet S13918EJ3V0DS

µPD72012

(2/2)

Value

Standard ROM code

product

No.

Field

Size

(Bytes)

Contents

003

004

Mask

ROM code

product

iManufacture

Shows the index of the string descriptor for a

comment about a manufacturer using the HUB.

Since not used for a standard ROM code product

(003, 004), its value is “0x00”.

When using this for a Mask ROM code product, set it

to “0x01”.

0x00

0x01

iProduct

Shows the index of the string descriptor for a

comment about a product using the HUB.

Since not used for a standard ROM code product

(003, 004), its value is “0x00”.

When using this for a Mask ROM code product, set it

to “0x02”.

0x00

0x02

iSerialNumber

Shows the index of the string descriptor for the serial

number of a product using the HUB.

Since not used for a standard ROM code product

(003, 004), its value is “0x00”.

When using this for a Mask ROM code product, set it

to “0x03”.

0x00

0x03

bNumConfiguration

Shows the number of configurations that can be set

for this HUB.

Its value is fixed at “0x01” for the

µPD72012

0x01

UPD72012 Datenblatt(PDF) 13 Page - NEC

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