Prototyped Product, Adapter, and PCB Design Matrix
Table 3 ? Prototyping Design Matrix (continued)
Prototyped Product
RTAX1000S-CQ352,
RTAX1000SL-CQ352
RTAX2000S-CQ352,
RTAX2000SL-CQ352
RTAX250S-CQ352,
RTAX250SL-CQ352
RTAX1000S-CQ352,
RTAX1000SL-CQ352
RTAX2000S-CQ352,
RTAX2000SL-CQ352
Adapter Part Number
SK-AX1-AX2-KITTOP and
SK-AX1-CQ352-KITBTM
SK-AX1-AX2-KITTOP and
SK-AX2-CQ352-KITBTM
SK-AX250-CQ352RTFG484S
SK-AX1-AX2-KITTOP and
SK-AX1-CQ352-KITBTM
SK-AX1-AX2-KITTOP and
SK-AX2-CQ352-KITBTM
Prototype Vehicle
AX1000-FG896
AX2000-FG896
AX250-FG484 23x23
AX1000-FG896
AX2000-FG896
PCB Design
AX1000-CQ352 1
AX2000-CQ352 1
RTAX250S-CQ352,
RTAX250SL-CQ352 1, 2
RTAX1000S-CQ352,
RTAX1000SL-CQ352 1, 2
RTAX2000S-CQ352,
RTAX2000SL-CQ352 1, 2
Notes:
1. The PCB designer should consider the eight pin pairs of the phase-locked loop (PLL) analog power supply
(VCCPLA/VCOMPLA, VCCPLB/VCOMPLB, VCCPLC/VCOMPLC, VCCPLD/VCOMPLD, VCCPLE/VCOMPLE,
VCCPLF/VCOMPLF, VCCPLG/VCOMPLG, and VCCPLH/VCOMPLH). They should be treated as follows:
?
VCCPLA/B/C/D/E/F/G/H —There are eight in each device. VCCPLA supports the PLL associated with global
resource HCLKA, and VCCPLB supports the PLL associated with global resource HCLKB. These PLL analog power
supply pins should be connected to 1.5 V whether or not the PLL is used. Refer to the Axcelerator Family FPGAs
and RTAX-S/SL and RTAX-DSP Radiation-Tolerant FPGAs datasheets for pin assignment information.
? VCOMPLA/B/C/D/E/F/G/H —These are compensation reference signals for the internal PLL. There are eight in
each device. VCOMPLA supports the PLL associated with global resource HCLKA, and VCOMPLE supports the
PLL associated with global resource HCLKE. The VCOMPLX pins should be left floating if the PLL is not being used.
Refer to the Axcelerator Family FPGAs and RTAX-S/SL and RTAX-DSP Radiation-Tolerant FPGAs datasheets for
pin assignment information.
2. Since the Axcelerator and RTAX-S/L devices are exactly pin-compatible except for the PLL, which RTAX-S/L does not
have, designing the PCB with VCCPL(X) pins connected to 1.5 V will not affect the function of the RTAX-S/L devices.
Pins for VCOMPL(X) can be designed with land patterns only. These 16 PLL pins are not connected internally inside the
RTAX-S packages.
17
相关PDF资料
SK-AX250-CQ352RTFG484S ADAPTER BOARD SKT CQ352-FG484
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SK-RT4K-KITTOP KIT ADAPTER BOARD SOCKET
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SK6-6 SURGE SUPPRSSR SUPER 8OUT 8'CORD
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