MSC7119 Freescale Semiconductor / Motorola, MSC7119 Datasheet - Page 29

• Manufacturer Part Number: MSC7119
• Description: Low-Cost 16-bit DSP with DDR Controller and 10/100 Mbps Ethernet MAC
• Manufacturer: Freescale Semiconductor / Motorola

2.5.6
2.5.6.1
Freescale Semiconductor
No.
800
801
802
803
804
Receive clock period:
• MII: RXCLK (max frequency = 25 MHz)
• RMII: REFCLK (max frequency = 50 MHz)
Receive clock pulse width high—as a percent of clock period
• MII: RXCLK
• RMII: REFCLK
Receive clock pulse width low—as a percent of clock period:
• MII: RXCLK
• RMII: REFCLK
RXDn, RX_DV, CRS_DV, RX_ER to receive clock rising edge setup time
Receive clock rising edge to RXDn, RX_DV, CRS_DV, RX_ER hold time
Ethernet Timing
TDMxTFS (output)
Receive Signal Timing
CRS_DV
TDMxTFS (input)
Receive
RX_ER
RX_DV
RXDn
clock
TDMxRCK
TDMxTCK
TDMxTD
MSC7119 10/100 Mbps Ethernet MAC Data Sheet, Rev. 6
Figure 10. Ethernet Receive Signal Timing
303
Table 21. Receive Signal Timing
Figure 9. TDM Transmit Signals
Characteristics
803
306
307
802
301
305
800
Valid
310
300
302
801
804
308
309
Electrical Characteristics
Min
40
20
35
14
35
14
7
7
4
2
311
Max
—
—
65
—
—
65
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
%
%
ns
29