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RZ/T1 Datasheet(PDF) 117 Page - Renesas Technology Corp

No. de pieza RZ/T1
Descripción Electrónicos  RZ/T1 Group
PDF  139 Pages
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Fabricante Electrónico  RENESAS [Renesas Technology Corp]
Página de inicio  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

RZ/T1 Datasheet(HTML) 117 Page - Renesas Technology Corp

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R01DS0228EJ0200 Rev.2.00
Page 117 of 139
Jun. 30, 2025
RZ/T1 Group
2. Electrical Characteristics
2.4.5.14
ETHERC Timing
Note 1. ETHn_TXEN, ETHn_TXD1, ETHn_TXD0
Note 2. ETHn_RXDV, ETHn_RXD1, ETHn_RXD0, ETHn_RXER
n = 0 to 2
Table 2.32
ETHERC Timing
Output load conditions: VOH = 2.0 V, VOL1 = 0.8 V, C = 25 pF (RMII)
VOH = VCCQ33 × 0.5, VOL1 = VCCQ33 × 0.5, C = 30 pF (MII)
Item
Symbol
min
max
Unit
Test Conditions
ETHERC
(RMII)
CLKOUT25Mn cycle time
Tck
20
―
ns
Figure 2.70 to
Figure 2.73
ETHn_Txxx*1 output delay time
Tco
2
16
ns
ETHn_Rxxx*2 setup time
Tsu
4―
ns
ETHn_Rxxx*2 hold time
Thd
2―
ns
ETHn_xxxx*1, *2 rising/falling time
Tr, Tf
0.5
5
ns
ETHERC
(MII)
ETHn_TXC cycle time
tTcyc
40
―
ns
―
ETHn_TXEN output delay time
tTENd
0
25
ns
Figure 2.74
ETHn_TXD0 to ETHn_TXD3 output delay time
tMTDd
025
ns
ETHn_TXER output delay time
tTERd
―
25
ns
Figure 2.75
ETHn_RXC cycle time
tTRcyc
40
―
ns
―
ETHn_RXDV setup time
tRDVs
10
―
ns
Figure 2.76
ETHn_RXDV hold time
tRDVh
10
―
ns
ETHn_RXD0 to ETHn_RXD3 setup time
tMRDs
10
―
ns
ETHn_RXD0 to ETHn_RXD3 hold time
tMRDh
10
―
ns
ETHn_RXER setup time
tRERs
10
―
ns
Figure 2.77
ETHn_RXER hold time
tRERh
10
―
ns
Note 1. ETHn_TXEN, ETHn_TXD1, ETHn_TXD0
Note 2. ETHn_RXDV, ETHn_RXD1, ETHn_RXD0, ETHn_RXER
Figure 2.70
Timing with the CLKOUT25Mn and RMII Signals
Tck
Tco
CLKOUT25Mn
(50MHz REFCLK)
ETHn_Txxx*1
50%
0.8V
Tr
Tf
ETHn_Rxxx
*2
2.4V
0.8V
Tsu
Thd
Signal
Signal
Signal
Signal
0.8V
0.8V
2.0V
2.0V
2.0V
0.8V
2.4V
Change
in signal
level
Change
in signal
level
Change
in signal
level
Change
in signal
level
Change
in signal
level
Change
in signal
level



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