Altera Serial Digital Interface (SDI) MegaCore Function - Manual (Page 57)

Chapter 3: Functional Description 3–27
Block Description
February 2013 Altera Corporation Serial Digital Interface (SDI) MegaCore Function
User Guide
Transceiver Dynamic Reconfiguration for Dual Standard and Triple
Standard Receivers
Dual standard and triple standard SDI receivers (or receivers of duplex SDIs) require
the transceiver dynamic reconfiguration feature of Arria GX, Arria II GX,
Cyclone IV GX, Stratix II GX, and Stratix IV devices to perform autodetection and
locking to different SDI rates.
Table 3–9 lists the transceiver dynamic reconfiguration support for Arria II GX,
Cyclone IV GX, HardCopy IV GX, Stratix GX, Stratix II GX, and Stratix IV GX devices.
f For more information about transceiver dynamic reconfiguration, refer to the
Arria GX Device Handbook , Arria II GX Device Handbook , Cyclone IV Device Handbook ,
Stratix II GX Device Handbook , and Stratix IV Device Handbook.
Transceiver Dynamic Reconfiguration with Channel Reconfiguration Mode—
Arria II GX, HardCopy IV GX, Stratix GX, Stratix II GX, and
Stratix IV GX
Transceiver dynamic reconfiguration allows you to change the settings of the device
transceivers (ALT2GXB or ALTGX) at any time. Transceiver dynamic reconfiguration
reprograms the transceivers to support the three SDI rates.
The triple standard SDI uses 11 times oversampling for receiving SD-SDI. Hence, only
Arria II GX or Stratix II GX transceiver configurations are required as the rates for
3G-SDI and SD-SDI 11 times are the same.
Table 3–9. Transceiver Dynamic Reconfiguration Support for Altera Devices (1)
Transceiver Dynamic
Reconfiguration Support
Arria II GX, HardCopy IV GX, Stratix GX,
Stratix II GX,
and Stratix IV GX
Cyclone IV GX
(EP4CGX50, EP4CGX75)
Cyclone IV GX
(EP4CGX110,
EP4CGX150) (2)
Channel Reconfiguration Yes Yes No
PLL Reconfiguration No Yes Yes
Transceiver Reconfiguration No No No
Note to Table 3–9 :
(1) The SDI MegaCore function versions 10.1 and later do not support MIF generation for EP4CGX30 (F484), EP4CGX50, and EP4CGX75.
(2) The ALTGX_RECONFIG is required for offset cancellation purposes for all transceiver instances.