Altera ALTDLL - Manual (Page 57)

4–21 Chapter 4: Functional Description
ALTIOBUF Megafunction and Delay Chains Integration
ALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera Corporation
Figure 4–17. Bidirectional— Differential
Note to Figure 4–17 :
(1) The dyn_term_ctrl_p and dyn_term_ctrl_n ports are optional.
Figure 4–18. Bidirectional— Complementary
Note to Figure 4–17 :
(1) The dyn_term_ctrl_p and dyn_term_ctrl_n ports are optional.
ALTIOBUF
dyn_term_ctrl_p (1)
dataout
dataio
datain
dyn_term_ctrl_n (1)
oe_n
IO_OBUF
PSEUDO_DIFF_OUT
oe_p
dataio
IO_IBUF
IO_OBUF
ALTDQ_DQS
ALTIOBUF
dyn_term_ctrl_p (1)
dataout_p
dataio_p
datain_p
IO_OBUF
oe_p
IO_IBUF
ALTDQ_DQS
ALTIOBUF
dyn_term_ctrl_n (1)
dataout_n
dataio_n
datain_n
IO_OBUF
oe_n
IO_IBUF