2–26
Chapter 2: Board Components
Clocking Circuitry
Stratix III 3SL150 Development Board
Altera Corporation
Stratix III FPGA Clock Inputs
outlines the inputs from the Stratix III FPGA. All PLL inputs are located in
the C sub-bank of each device bank. The clocks are sourced by the on-board
oscillators, SMA connectors, Ethernet, MAX II CPLD, and HSMC ports.
Figure 2–7. Stratix III FPGA Clock Inputs
Bank 8C
1.8 V
CLK14N
CLKIN_125
CLK14P
CLK15N
CLK15P
CLK12N
CLK12P
CLK13N
CLK13P
CLK5N
CLK5P
CLK4N
CLK4P
CLK7N
CLK7P
CLK6N
CLK6P
CLK1N
CLK1P
USB_IFCLK
500 MHz
CLK0N
CLK0P
CLK3N
CLK3P
CLK2N
CLK2P
ENET_S_CLKP
ENET_S_CLKN
CLK11N
CLK11P
CLK10N
CLK10P
CLK8N
CLK8P
CLK9N
CLK9P
Bank 7C
1.5 V
Bank 3C
1.8 V
Bank 4C
1.8 V
Bank 6C
2.5 V
Bank 5C
2.5 V
Bank 1C
1.8 V
Bank 2C
2.5 V
HSMA_CLK_IN_P2
HSMA_CLK_IN_N2
HSMB_CLK_IN_P2
HSMB_CLK_IN_N2
CLKIN_SMA
500 MHz
ENET
PHY
MAX II Device
HSMC
Port A
HSMC
Port B
SMA Input