Stratix iii fpga clock outputs, Stratix iii fpga clock outputs –27 – Altera Stratix III Development Board User Manual
Page 35
Chapter 2: Board Components
2–27
Clocking Circuitry
May 2013
Altera Corporation
Stratix III 3SL150 Development Board
Reference Manual
Stratix III FPGA Clock Outputs
outlines the outputs from the Stratix III FPGA. Most of the output clocks
originate from the regular I/O pins (non-PLL pins). These clocks drive each of the
interfaces on the Stratix III development board.
shows the clocking parts list.
Figure 2–8. Stratix III FPGA Clock Outputs
Bank 8
1.8 V
Bank 7
1.5 V
Bank 3
1.8 V
Bank 4
1.8 V, 2.5 V
Bank 6
2.5 V
Bank 5
2.5 V
Bank 1
1.8 V
Bank 2
2.5 V
FLASH
QDRII+
FLASH_CLK
QDRII_K_P
QDRII_K_N
SRAM
DDR2
A
DDR2
B
SRAM_CLK
DDR2_DEVA_CK_P
DDR2_DEVA_CK_N
SMA
Output
DDR2_DEVB_CK_P
DDR2_DEVB_CK_N
ENET
PHY
ENET_TX_CLK
ENET_GTX_CLK
DDR2_DEVB_CK_P
DDR2_DEVB_CK_N
DDR2_DEVB_CK_N
DDR2 DIMM
DDR2_DIMM_CLK_N2
DDR2_DIMM_CLK_N2
DDR2_DIMM_CLK_N2
DDR2_DIMM_CLK_N2
DDR2_DIMM_CLK_N2
DDR2_DIMM_CLK_N2
HSMB_CLK_OUT_N2
HSMB_CLK_OUT_P2
HSMB_CLK_OUT_N1
HSMB_CLK_OUT_P1
HSMC
Port B
HSMA_CLK_OUT_N2
HSMA_CLK_OUT_P2
HSMA_CLK_OUT_N1
HSMA_CLK_OUT_P1
HSMC
Port A
Table 2–19. Stratix III Development Board Clocking Parts List
Board
Reference
Description
Manufacturer
Manufacturer
Part Number
Manufacturer
Website
Y6
50-MHz LVDS oscillator
Pletronics
SM5545TEX-50.00M
Y1,Y5
125-MHz LVDS oscillator
Pletronics
SM5545TEX-125.00M
J16, J17
SMA for external clock
input/output
Lighthorse Technologies
LTI-SASF546-P26-X1
Y2
24-MHz crystal
Abracon Corporation
ABL-24.000MHZ-12
Y3
6-MHz crystal
Abracon Corporation
ABL-6.000MHZ-B2
X1
25-MHz crystal oscillator
ECS, Inc.
ECS-3953C-250-B
Y4
24-MHz crystal oscillator
Pletronics
SM5545TEX-24.00M