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| 型号： | MPC8349EZUALD |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 667 MHz, MICROPROCESSOR, PBGA672 |
| 封装： | 35 X 35 MM, 1.46 MM HEIGHT, 1 MM PITCH, TBGA-672 |
| 文件页数： | 15/88页 |
| 文件大小： | 1014K |
| 代理商： | MPC8349EZUALD |
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MPC8349E PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 10
22
Freescale Semiconductor
Ethernet: Three-Speed Ethernet, MII Management
8.2
GMII, MII, TBI, RGMII, and RTBI AC Timing Specifications
The AC timing specifications for GMII, MII, TBI, RGMII, and RTBI are presented in this section.
8.2.1
GMII Timing Specifications
This section describes the GMII transmit and receive AC timing specifications.
8.2.1.1
GMII Transmit AC Timing Specifications
Table 21 provides the GMII transmit AC timing specifications.
Table 20. RGMII/RTBI (When Operating at 2.5 V) DC Electrical Characteristics
Parameters
Symbol
Conditions
Min
Max
Unit
Supply voltage 2.5 V
LVDD
—
2.37
2.63
V
Output high voltage
VOH
IOH = –1.0 mA
LVDD = Min
2.00
LVDD +0.3
V
Output low voltage
VOL
IOL = 1.0 mA
LVDD = Min
GND – 0.3
0.40
V
Input high voltage
VIH
—LVDD = Min
1.7
LVDD +0.3
V
Input low voltage
VIL
—LVDD = Min
–0.3
0.70
V
Input high current
IIH
VIN
1 = LV
DD
—10
μA
Input low current
IIL
VIN
1 = GND
–15
—
μA
Note:
Table 21. GMII Transmit AC Timing Specifications
At recommended operating conditions with LVDD/OVDD of 3.3 V ± 10%.
Parameter/Condition
Symbol1
Min
Typ
Max
Unit
GTX_CLK clock period
tGTX
—8.0
—
ns
GTX_CLK duty cycle
tGTXH/tGTX
43.75
—
56.25
%
GTX_CLK to GMII data TXD[7:0], TX_ER, TX_EN delay
tGTKHDX
0.5
—
5.0
ns
GTX_CLK clock rise time, VIL(min) to VIH(max)
tGTXR
——
1.0
ns
GTX_CLK clock fall time, VIH(max) to VIL(min)
tGTXF
——
1.0
ns
GTX_CLK125 clock period
tG125
2
—8.0
—
ns
GTX_CLK125 reference clock duty cycle measured at LVDD/2
tG125H/tG125
45
—
55
%
Notes:
1. The symbols for timing specifications follow the pattern t(first two letters of functional block)(signal)(state)(reference)(state) for inputs and
t(first two letters of functional block)(reference)(state)(signal)(state) for outputs. For example, tGTKHDV symbolizes GMII transmit timing (GT)
with respect to the tGTX clock reference (K) going to the high state (H) relative to the time date input signals (D) reaching the
valid state (V) to state or setup time. Also, tGTKHDX symbolizes GMII transmit timing (GT) with respect to the tGTX clock
reference (K) going to the high state (H) relative to the time date input signals (D) going invalid (X) or hold time. In general,
the clock reference symbol is based on three letters representing the clock of a particular function. For example, the subscript
of tGTX represents the GMII(G) transmit (TX) clock. For rise and fall times, the latter convention is used with the appropriate
letter: R (rise) or F (fall).
2. This symbol represents the external GTX_CLK125 signal and does not follow the original symbol naming convention.
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相关代理商/技术参数 |
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|---|---|
| MPC8349EZUALDB | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications |
| MPC8349EZUALFB | 功能描述:微处理器 - MPU 8349 TBGA PB W/ ENCRYP RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
| MPC8349VVAGD | 功能描述:IC MPU PWRQUICC II PRO 672-TBGA RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微处理器 系列:MPC83xx 标准包装:1 系列:MPC85xx 处理器类型:32-位 MPC85xx PowerQUICC III 特点:- 速度:1.2GHz 电压:1.1V 安装类型:表面贴装 封装/外壳:783-BBGA，FCBGA 供应商设备封装:783-FCPBGA（29x29） 包装:托盘 |
| MPC8349VVAGDB | 功能描述:微处理器 - MPU 8349 TBGA NO-PB W/O ENC RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
| MPC8349VVAGFB | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications |
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