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Chapter 2: Board Components and Interfaces
2–3
Configuration, Status, and Setup Elements
© November 2008
Altera Corporation
Data Conversion HSMC Reference Manual
Configuration, Status, and Setup Elements
This section describes configuration, status, and setup elements.
A/D Converter Clock Select Jumper (J3, J7)
Table 2–2
lists the J3 (channel A) and J7 (channel B) jumper settings used to select the
A/D converter clock.
J25 (External Clock Out-p)
J28 (External Clock Out-n)
External clock output SMA
connectors
SMA connectors for a differential clock output
2–7
Components and Interfaces
U1 (Channel A)
U2 (Channel B)
A/D converter
Analog Devices AD9254. 14-bit, 150 MS/s ADC
2–7
J4 (Channel A)
J8 (Channel B)
A/D converter input SMAs
SMAs that drive the A/D converter inputs
2–11
U3 (Channels A and B)
D/A converter
Texas Instruments DAC5672. 14-bit, 175 MS/s
D/A converter
2–11
J12 (Channel A)
J14 (Channel B)
D/A converter output SMAs
SMA outputs for the D/A converters
2–14
U5
Audio CODEC
Texas Instruments TLV320AK23. Stereo Audio CODEC,
96 KHz, with integrated headphone amplifier
2–14
J19
Line-in audio jack
3.5-mm audio connector for line-in
2–15
J20
Line-out audio jack
3.5-mm audio connector for line-out
2–15
J21
Headphone jack
3.5-mm audio connector for headphone
2–15
J42
Mic jack
3.5-mm audio connector for microphone
2–15
J1
HSMC
Expansion connector used to interface with Altera
development boards
2–15
U14
I
2
C EEPROM
ISSI EEPROM IS24C02B, 2 Kbits
2–16
Table 2–1.
Data Conversion HSMC Feature Overview (Part 2 of 2)
Board Reference
Name
Description
Page
Table 2–2.
A/D Converter Clock Select Jumper (J3, J7) Settings (Part 1 of 2)
Clock Source
Board Reference
Schematic Signal Name
(1)
,
(2)
,
(3)
A/D Converter Clock Select (J3 or J7)
Jumper Setting
FPGA Clock
HSMC Connector
FPGA_CLK_A_P
FPGA_CLK_A_N
Pins 3 and 5
Pins 4 and 6
FPGA Clock
HSMC Connector
FPGA_CLK_B_P
FPGA_CLK_B_N
Pins 1 and 3
Pins 4 and 6
External Clock
External Clock Input SMA
XT_IN_P
XT_IN_N
Pins 3 and 5
Pins 2 and 4