Datasheet

Table Of Contents
TMS320DM6467T
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SPRS605C JULY 2009REVISED JUNE 2012
Table 3-12. EMAC [G]MII and MDIO Terminal Functions
SIGNAL
TYPE
(1)
OTHER
(2) (3)
DESCRIPTION
NAME NO.
EMAC [G]MII
IPD
RFTCLK H1 I Gigabit (GMII) reference transmit clock (125 MHz)
DV
DD33
-
GMTCLK P2 O/Z GMII source asynchronous transmit clock
DV
DD33
IPD
MTCLK R1 I [G]MII transmit clock input
DV
DD33
MTXD7 P1
MTXD6 N4
MTXD5 N3
MTXD4 N2
- [G]MII transmit data [7:0]. For 1000 GMII operation, MTXD[7:0] are used. For 10/100
O/Z
DV
DD33
MII operation, only MTXD[3:0] are used.
MTXD3 N1
MTXD2 M4
MTXD1 M1
MTXD0 L1
-
MTXEN L2 O/Z [G]MII transmit data enable output
DV
DD33
IPD
MCOL L4 I [G]MII collision detect (sense) input
DV
DD33
IPD
MCRS L3 I [G]MII carrier sense input
DV
DD33
IPU
MRCLK K1 I [G]MII receive clock
DV
DD33
MRXD7 K2
MRXD6 K3
MRXD5 K4
MRXD4 J1
IPU [G]MII receive data [7:0]. For 1000 GMII operation, MRXD[7:0] are used. For 10/100
I
DV
DD33
MII operation, only MRXD[3:0] are used.
MRXD3 J2
MRXD2 J3
MRXD1 H2
MRXD0 G2
IPU
MRXDV J4 I [G]MII receive data valid input
DV
DD33
IPU
MRXER H3 I [G]MII receive data error input
DV
DD33
MDIO
IPU
MDCLK G1 O/Z Management data serial clock output
DV
DD33
IPU
MDIO H4 I/O/Z Management Data IO
DV
DD33
(1) I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal
(2) IPD = Internal pulldown, IPU = Internal pullup. For more detailed information on pullup/pulldown resistors and situations where external
pullup/pulldown resistors are required, see Section 4.8.1, Pullup/Pulldown Resistors.
(3) Specifies the operating I/O supply voltage for each signal
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