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PDF 8X930HX Data sheet ( Hoja de datos )
| Número de pieza | 8X930HX | |
| Descripción | UNIVERSAL SERIAL BUS HUB PERIPHERAL CONTROLLER | |
| Fabricantes | Intel Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de 8X930HX (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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ADVANCE INFORMATION
8x930Hx
UNIVERSAL SERIAL BUS HUB
PERIPHERAL CONTROLLER
s USB Hub with One Upstream, One
Internal Downstream, and Three
External Downstream Ports on HD/HE
Parts or Four on HF/HG Parts
— Complete Universal Serial Bus Speci-
fication 1.0 Compatibility
— Serves as both USB Hub and USB
Embedded Function (Internal Port)
s USB Hub
— Connectivity Management
— Downstream Device
Connect/Disconnect Detection
s Embedded Function FIFO Data Buffers
— Three Pairs of 16-byte Transmit and
Receive FIFOs
— One Pair of Configurable Transmit
and Receive FIFOs (1 Kbyte total)
s Automatic Transmit/Receive FIFO
Management
s Three USB Interrupt Vectors
— Endpoint Transmit/Receive Done
— Start of Frame/Hub Endpoint Done
— Global Suspend/Resume
— Power Management, Including
Suspend and Resume
— Bus Fault Detection and Recovery
— Full and Low Speed Downstream
Device Support
s Output Pin for Port Power Switching
s Input Pin for Overcurrent Detection
s USB Embedded Function
— Supports Isochronous and
Non-isochronous Data
s On-chip USB Transceivers
s Serial Bus Interface Engine (SIE)
— Packet Decoding/Generation
— CRC Generation and Checking
— NRZI Encoding/Decoding and
Bit-stuffing
s Hub FIFO Data Buffers
— One Pair of 16-byte Transmit and
Receive FIFOs
— One 1-byte Transmit Register
s Low Clock Mode
s User-selectable Configurations
— External Wait State
— External Address Range
— Page Mode
s Real-time Wait Function
s 256-Kbyte External Code/Data Memory
Space
s On-chip ROM Options
— 0, 8, or 16 Kbytes
s 1024 bytes On-chip Data RAM
s Four Input/Output Ports
s Standard MCS® 51 UART
s Power-saving Idle and Powerdown
Modes
s Register-based MCS® 251 Architecture
s Code-compatible with MCS 51 and
MCS 251 Microcontrollers
s 12-MHz Crystal Operation
The 8x930Hx USB hub peripheral controller is based on the MCS 251 microcontroller. It consists of standard
8XC251Sx peripherals plus a USB module. The USB module provides both USB hub and USB embedded
function capabilities. The 8x930Hx supports USB hub functionality, embedded function, suspend/resume
modes, isochronous/non-isochronous transfers, and it is fully USB rev 1.0 specification compliant. The USB
module contains one internal and three (or four) external downstream ports and integrates the USB trans-
ceivers, serial bus interface engine (SIE), hub interface unit (HIU), function interface unit (FIU), and
transmit/receive FIFOs. The 8x930Hx uses the standard instruction set of the MCS 251 architecture, which is
binary code compatible with the MCS 51 architecture.
COPYRIGHT © INTEL CORPORATION, 1997
May 1997
Order Number: 272928-003
1 page  
8x930Hx UNIVERSAL SERIAL BUS PERIPHERAL CONTROLLER
1.0 ABOUT THIS DOCUMENT
This data sheet contains advance information about
Intel’s 8x930Hx Universal Serial Bus hub peripheral
controller, based on the MCS® 251 peripheral
controller, which includes a functional overview,
mechanical data, targeted electrical specifications
(simulated), and bus functional waveforms. A
detailed functional description, other than
parametric performance, is published in the
8x930Ax, 8x930Hx Universal Serial Bus Micorcon-
troller User’s Manual (272949).
1.1 Additional Information Sources
Intel documentation is available from your local Intel
Sales Representative or Intel Literature Sales.
Intel Corporation
Literature Sales
P.O. Box 7641
Mt. Prospect, IL 60056-7641
1-800-879-4683
1.2 Electronic Information
We offer a variety of technical and product infor-
mation through the World Wide Web (see Table 2
for URL) and through FaxBack service which is an
on-demand publishing system that sends
documents to your fax machine. You can get
product announcements, change notifications,
product literature, device characteristics, design
recommendations, and quality and reliability infor-
mation 24 hours a day, 7 days a week. Just dial the
telephone number and respond to the system
prompts.
Table 1. Related Documentation
Document Title
Order/Contact
8x930Ax, 8x930Hx Universal Serial Bus Micorcontroller
User’s Manual
Universal Serial Bus Specification
Intel Order # 272949
Intel Order # 272962
Table 2. Electronic Information
Document Title
Order/Contact
Intel’s World-Wide Web (WWW) Location:
Customer Support (US and Canada):
http://www.intel.com/design/usb/
800-628-8686
FaxBack Service:
US and Canada
Europe
worldwide
Application Bulletin Board Service:
up to 14.4-Kbaud line, worldwide
dedicated 2400-baud line, worldwide
Europe
800-628-2283
+44(0)793-496646
916-356-3105
916-356-3600
916-356-7209
+44(0)793-496340
ADVANCE INFORMATION
1
5 Page 
8x930Hx UNIVERSAL SERIAL BUS PERIPHERAL CONTROLLER
VCCP
P3.0 / RXD
P3.1 / TXD
P3.2 / INT0#
P3.3 / INT1#
P3.4 / T0
P3.5 / T1
P3.6 / WR#
P3.7 / A16 / RD#
P1.0 / T2
P1.1 / T2EX
P1.2 / ECI
P1.3 / CEX0
P1.4 / CEX1
P1.5 / CEX2
P1.6 / CEX3 / WAIT#
P1.7 / CEX4 / A17 / WCLK
VCC
VSS
XTAL1
XTAL2
AVCC
RST
PLLSEL1
PLLSEL2
PLLSEL0
DM2
DP2
DM3
DP3
SOF#
VCCP
1 64
2 63
3 62
4 61
5 60
6 59
7 8X930HX 58
8 57
9 56
10 55
11 54
12 53
13 52
14 51
15 View of 50
16 component 49
17
18
as mounted
48
47
19 on PC board 46
20 45
21 44
22 43
23 42
24 41
25 40
26 39
27 38
28 37
29 36
30 35
31 34
32 33
VSSP
AD0 / P0.0
AD1 / P0.1
AD2 / P0.2
AD3 / P0.3
AD4 / P0.4
AD5 / P0.5
AD6 / P0.6
AD7 / P0.7
A8 / P2.0
A9 / P2.1
A10 / P2.2
A11 / P2.3
A12 / P2.4
A13 / P2.5
A14 / P2.6
A15 / P2.7
VSS
VCC
EA#
ALE
PSEN#
UPWEN#
OVRI#
RESERVED†/DP5††
RESERVED†/DM5††
DP1
DMI
DP0
DM0
ECAP
VSSP
NOTE:
Reserved pins must be left unconnected.
† Specific to the 8x930HD/HE
†† Specific to the 8x930HF/HG
Figure 5. 8x930HD/HE and 8x930HF/HG 64-pin SDIP Package
A4422-01
ADVANCE INFORMATION
7
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