T1022NXE7MQA
| Model | T1022NXE7MQA |
| Description | 32-BIT, 1200MHz, RISC PROCESSOR, PBGA780 |
| PDF file | Total 197 pages (File size: 1M) |
| Chip Manufacturer | PHILIPS |
Electrical characteristics
t
MTX
TX_CLK
t
MTXH
TXD[3:0]
TX_EN
TX_ER
t
MTKHDX
t
MTXF
t
MTXR
Figure 23. MII transmit AC timing diagram
This table provides the MII receive AC timing specifications.
Table 53. MII receive AC timing specifications
Parameter
RX_CLK clock period 10 Mbps
RX_CLK clock period 100 Mbps
RX_CLK duty cycle
RXD[3:0], RX_DV, RX_ER setup time to RX_CLK
RXD[3:0], RX_DV, RX_ER hold time to RX_CLK
RX_CLK clock rise (20%-80%)
RX_CLK clock fall time (80%-20%)
2.For recommended operating conditions, see
Symbol
t
MRX
t
MRX
t
MRXH
/t
MRX
t
MRDVKH
t
MRDXKH
t
MRXR
t
MRXF
-
-
35
10.0
10.0
1.0
1.0
Min
400
40
-
-
-
-
-
Typ
-
-
65
-
-
4.0
4.0
Max
ns
ns
%
ns
ns
ns
ns
Unit
1.The frequency of RX_CLK (input) should not exceed the frequency of TX_CLK (input) by more than 300 ppm.
This figure provides the AC test load for the Ethernet controller.
Z0 = 50
Ʊ
Output
LV
DD /2
Figure 24. Ethernet controller AC test load
This figure shows the MII receive AC timing diagram.
QorIQ T1042, T1022 Data Sheet, Rev. 2, 06/2015
Freescale Semiconductor, Inc.
93
Ʊ
RL = 50
