User guide

72 www.xilinx.com AC701 Evaluation Board
UG952 (v1.1) January 30, 2013
Chapter 1: AC701 Evaluation Board Features
XADC Header
[Figure 1-2, callout 31]
7 series FPGAs provide an Analog Front End (XADC) block. The XADC block includes
a dual 12-bit, 1 MSPS Analog-to-Digital Convertor (ADC) and on-chip sensors. See
UG480
, 7 Series FPGAs XADC Dual 12-Bit 1MSPS Analog-to-Digital Converter User Guide
for details on the capabilities of the analog front end. Figure 1-45 shows the AC701
board XADC support features.
X-Ref Target - Figure 1-44
Figure 1-44: FPGA Cooling Fan Circuit
GND
SM_FAN_PWM
SM_FAN_TACH
1
2
3
J61
R245
10.0K 1%
1/10W
GND
R277
1.00K 1%
1/16W
D15
2.7V
500 mW
MM3Z2V7B
R390
4.75K 1%
1/10W
R393
10.0K 1%
1/10W
VCC12_P
D14
100V
500 mW
DL4148
Q17
NDT30555L
1.3 W
1
2
3
4
VCC2V5
UG952_c1_38_100512
Cooling
Fan
FPGA
U1 Pin J26
FPGA
U1 Pin J25
Fan GND
Fan +12V
Fan Tach