MPC857T Freescale Semiconductor, Inc, MPC857T Datasheet - Page 62

• Manufacturer Part Number: MPC857T
• Description: Mpc857t Powerquicc Integrated Communications Processor
• Manufacturer: Freescale Semiconductor, Inc

CPM Electrical Characteristics
62
(Output)
RSTRT
RCLK1
(Input)
RxD1
TENA(RTS1)
RENA(CD1)
REJECT
(Output)
(NOTE 2)
TCLK1
(Input)
TxD1
(Input)
MPC862/857T/857DSL PowerQUICC™ Family Hardware Specifications, Rev. 3
NOTES:
0
1.
2.
128
Transmit clock invert (TCI) bit in GSMR is set.
If RENA is deasserted before TENA, or RENA is not asserted at all during transmit, then the
CSL bit is set in the buffer descriptor at the end of the frame transmission.
Figure 63. CAM Interface Receive Start Timing Diagram
133
131
Figure 64. CAM Interface REJECT Timing Diagram
Start Frame Delimiter
Figure 62. Ethernet Transmit Timing Diagram
1
128
1
121
137
BIT1
125
132
129
BIT2
136
Freescale Semiconductor
134