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UPD72012 数据表(PDF) 13 Page - NEC

部件名 UPD72012
功能描述  HUB CONTROLLER FOR UNIVERSAL SERIAL BUS
PDF  36 Pages
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制造商  NEC [NEC]
网页  http://www.nec.com/
标志 NEC - NEC

UPD72012 数据表(HTML) 13 Page - NEC

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Data Sheet S13918EJ3V0DS
13
µPD72012
(2/2)
Value
Standard ROM code
product
No.
Field
Size
(Bytes)
Contents
003
004
Mask
ROM code
product
14
iManufacture
1
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
0x00
0x00
or
0x01
15
iProduct
1
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
0x00
0x00
or
0x02
16
iSerialNumber
1
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
0x00
0x00
or
0x03
17
bNumConfiguration
1
Shows the number of configurations that can be set
for this HUB.
Its value is fixed at “0x01” for the
µPD72012
0x01
0x01
0x01



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