參數(shù)資料
型號: MPC5125YVN400
廠商: Freescale Semiconductor
文件頁數(shù): 62/94頁
文件大?。?/td> 0K
描述: IC MCU 32BIT E300 324TEPBGA
標(biāo)準(zhǔn)包裝: 60
系列: MPC51xx
核心處理器: e300
芯體尺寸: 32-位
速度: 400MHz
連通性: CAN,EBI/EMI,以太網(wǎng),I²C,USB OTG
外圍設(shè)備: DMA,WDT
輸入/輸出數(shù): 64
程序存儲器類型: ROMless
RAM 容量: 32K x 8
電壓 - 電源 (Vcc/Vdd): 1.08 V ~ 3.6 V
振蕩器型: 外部
工作溫度: -40°C ~ 125°C
封裝/外殼: 324-BBGA
包裝: 托盤
Electrical and Thermal Characteristics
MPC5125 Microcontroller Data Sheet, Rev. 4
Freescale Semiconductor
65
Figure 27. Ethernet Timing Diagram — MII and RMII Rx Signal
Table 28. RMII Rx Signal Timing
Sym
Description
Min
Max
Unit
SpecID
t5
RXD[1:0], RX_DV, RX_ER to TX_CLK setup
4
ns
A11.5
t6
TX_CLK to RXD[1:0], RX_DV, RX_ER hold
2
ns
A11.6
t7
TX_CLK pulse width high
35%
65%
TX_CLK period1
NOTES:
1 TX_CLK frequency shall be 50 MHz regardless of the data rate. See the RMII specification.
A11.7
t8
TX_CLK pulse width low
35%
65%
TX_CLK period1
A11.8
Table 29. MII Tx Signal Timing
Sym
Description
Min
Max
Unit
SpecID
t9
TX_CLK rising edge to TXD[3:0], TX_EN, TX_ER invalid
3
ns
A11.9
t10
TX_CLK rising edge to TXD[3:0], TX_EN, TX_ER valid
25
ns
A11.10
t11
TX_CLK pulse width high
35%
65%
TX_CLK Period1
NOTES:
1 The TX_CLK frequency shall be 25% of the nominal transmit frequency, for example, a PHY operating at 100 Mb/s must
provide a TX_CLK frequency of 25 MHz and a PHY operating at 10 Mb/s must provide a TX_CLK frequency of 2.5 MHz. See
the IEEE 802.3 specification.
A11.11
t12
TX_CLK pulse width low
35%
65%
TX_CLK Period1
A11.12
Table 30. RMII Tx Signal Timing
Sym
Description
Min
Max
Unit
SpecID
t13
TX_CLK rising edge to TXD[1:0], TX_EN, TX_ER invalid
3
ns
A11.13
t14
TX_CLK rising edge to TXD[1:0], TX_EN, TX_ER valid
14
ns
A11.14
t15
TX_CLK pulse width high
35%
65%
TX_CLK Period1
NOTES:
1 TX_CLK frequency shall be 50 MHz regardless of the data rate. See the RMII specification.
A11.15
t16
TX_CLK pulse width low
35%
65%
TX_CLK Period1
A11.16
t4, t8
t3, t7
t1. t5
t2. t6
REF_CLK (Input)
RXD[3:0] (inputs)
RX_DV
RX_ER
REF_CLK is TX_CLK in RMII mode, and is RX_CLK in non-RMII mode
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