Chapter 3

Hardware

J1

Signal

PCI

Description

Pin #

 

Pin #

 

 

Ground

74 (B12)

Ground

 

Ground

75 (B13)

Ground

 

Reserved

76 (B14)

Reserved

 

 

 

 

 

Ground

77 (B15)

Ground

 

CLK

78 (B16)

Clock – This signal provides timing for all transactions on the PCI

 

 

 

bus and is an input to every PCI device.

 

Ground

79 (B17)

Ground

 

REQ*

80 (B18)

Request – This is a point-to-point signal and indicates to the arbiter

 

 

 

that this agent desires use of the bus. Every master has its own

 

 

 

Request which must be tri-stated while Reset is asserted.

 

+3.3V(I/O)

81 (B19)

+3.3V I/O

94

AD31

82 (B20)

Address/Data bus 31 – Refer to Pin-20 (A20) for more information

 

 

 

 

90

AD29

83 (B21)

Address/Data bus 29 – Refer to Pin-20 (A20) for more information

 

 

 

 

 

Ground

84 (B22)

Ground

89

AD27

85 (B23)

Address/Data bus 27 – Refer to Pin-20 (A20) for more information

 

 

 

 

85

AD25

86 (B24)

Address/Data bus 25 – Refer to Pin-20 (A20) for more information

 

 

 

 

 

+3.3V

87 (B25)

+3.3 Volt Power

82

CBE3*

88 (B26)

Bus Command and Byte Enable 3 – Refer to Pin-52 (A52) for more

 

 

 

information.

79

AD23

89 (B27)

Address/Data bus 23 – Refer to Pin-20 (A20) for more information

 

 

 

 

 

Ground

90 (B28)

Ground

78

AD21

91 (B29)

Address/Data bus 21 – Refer to Pin-20 (A20) for more information

 

 

 

 

73

AD19

92 (B30)

Address/Data bus 19 – Refer to Pin-20 (A20) for more information

 

 

 

 

 

+3.3V

93 (B31)

+3.3 Volt Power

71

AD17

94 (B32)

Address/Data bus 17 – Refer to Pin-20 (A20) for more information

 

 

 

 

70

CBE2*

95 (B33)

Bus Command and Byte Enable 2 – Refer to Pin-52 (A52) for more

 

 

 

information.

 

Ground

96 (B34)

Ground

63

IRDY*

97 (B35)

Initiator Ready – This signal indicates the master’s ability to

 

 

 

complete the current data cycle of the transaction.

 

+3.3V

98 (B36)

+3.3 Volt Power

60

DEVSEL*

99 (B37)

Device Select – This signal is driven by the target device when its

 

 

 

address is decoded.

 

Ground

100 (B38)

Ground

59

LOCK*

101 (B39)

Lock – This signal indicates an operation that may require multiple

 

 

 

transactions to complete.

55

PERR*

102 (B40)

Parity Error – This signal is driven by the PCI target during a write

 

 

 

to indicate a data parity error has been detected.

 

+3.3V

103 (B41)

+3.3 Volt Power

54

SERR*

104 (B42)

System Error – This signal is for reporting address parity errors.

 

 

 

 

 

+3.3V

105 (B43)

+3.3 Volt Power

 

 

 

 

22

Reference Manual

XTX 820

Page 27 Page 29
Page 28
Image 28
Ampro Corporation XTX 820 manual Clk, Req, CBE3, CBE2, Irdy, Lock, Perr, Serr
Page 27 Page 29

XTX 820 specifications

Ampro Corporation has made a significant mark in the world of embedded systems with its versatile XTX 820 embedded computing module. The XTX 820 is designed to cater to a wide array of applications, ranging from industrial automation to medical devices, providing developers with a powerful yet compact solution.

One of the standout features of the XTX 820 is its advanced processing capabilities. The module is equipped with an Intel Atom processor, which delivers impressive performance while operating at low power levels. This combination makes the XTX 820 suitable for environments where energy efficiency is essential. The Atom processor allows for seamless multitasking and support for demanding applications without compromising on thermal efficiency.

In terms of memory, the XTX 820 supports a range of configurations, accommodating both DDR2 and DDR3 memory types. With a maximum of up to 4GB of onboard memory, this module ensures that applications can run smoothly and efficiently across various tasks. The flexibility in memory options enables developers to tailor their designs according to specific project needs.

Connectivity is another strong suit of the XTX 820. The module comes with multiple I/O interfaces that enhance its utility in various applications. It features USB, Serial, and Parallel ports, along with support for LVDS display and audio interfaces. This diverse range of connectivity options allows the XTX 820 to integrate easily with a variety of systems and devices, facilitating seamless data transfer and communication.

Security is increasingly critical in embedded systems, and Ampro has integrated robust security features into the XTX 820. This includes support for hardware-based security solutions, which can protect sensitive data and prevent unauthorized access. Such characteristics make the module a suitable choice for industries where data integrity is paramount.

Furthermore, the XTX 820 boasts an impressive range of environmental operating conditions. It is designed to function in extreme temperatures, making it suitable for outdoor and industrial applications where fluctuations in temperature can be a concern.

In conclusion, the Ampro Corporation XTX 820 embedded computing module emerges as a versatile platform that combines performance, memory flexibility, robust connectivity, and enhanced security features. Its design is tailored to meet the demands of various industries, making it a reliable choice for developers looking for advanced embedded solutions.
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