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參數(shù)資料
| 型號(hào)： | MPC8349ECZUALDB |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 667 MHz, MICROPROCESSOR, PBGA672 |
| 封裝： | 35 X 35 MM, 1.46 MM HEIGHT, 1 MM PITCH, TBGA-672 |
| 文件頁數(shù)： | 43/87頁 |
| 文件大?。?/td> | 1037K |
| 代理商： | MPC8349ECZUALDB |
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MPC8349EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 12
48
Freescale Semiconductor
PCI
Table 46 provides the PCI AC timing specifications at 33 MHz.
PORESET to REQ64 hold time
tPCRHRX
050
ns
6
Notes:
1. PCI timing depends on M66EN and the ratio between PCI1/PCI2. Refer to the PCI chapter of the reference manual for a
description of M66EN.
2. The symbols for timing specifications follow the pattern of 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, tPCIVKH symbolizes PCI timing (PC) with
respect to the time the input signals (I) reach the valid state (V) relative to the PCI_SYNC_IN clock, tSYS, reference (K) going
to the high (H) state or setup time. Also, tPCRHFV symbolizes PCI timing (PC) with respect to the time hard reset (R) went
high (H) relative to the frame signal (F) going to the valid (V) state.
3. See the timing measurement conditions in the PCI 2.3 Local Bus Specifications.
4. For active/float timing measurements, the Hi-Z or off-state is defined to be when the total current delivered through the
component pin is less than or equal to the leakage current specification.
5. Input timings are measured at the pin.
6. The setup and hold time is with respect to the rising edge of PORESET.
Table 46. PCI AC Timing Specifications at 33 MHz
Parameter
Symbol1
Min
Max
Unit
Notes
Clock to output valid
tPCKHOV
—11
ns
2
Output hold from clock
tPCKHOX
2—
ns
2
Clock to output high impedance
tPCKHOZ
—14
ns
2, 3
Input setup to clock
tPCIVKH
3.0
—
ns
2, 4
Input hold from clock
tPCIXKH
0
—
ns
2, 4
REQ64 to PORESET setup time
tPCRVRH
5
—
clocks
5
PORESET to REQ64 hold time
tPCRHRX
050
ns
5
Notes:
1. The symbols for timing specifications follow the pattern of 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, tPCIVKH symbolizes PCI timing (PC) with
respect to the time the input signals (I) reach the valid state (V) relative to the PCI_SYNC_IN clock, tSYS, reference (K) going
to the high (H) state or setup time. Also, tPCRHFV symbolizes PCI timing (PC) with respect to the time hard reset (R) went
high (H) relative to the frame signal (F) going to the valid (V) state.
2. See the timing measurement conditions in the PCI 2.3 Local Bus Specifications.
3. For active/float timing measurements, the Hi-Z or off-state is defined to be when the total current delivered through the
component pin is less than or equal to the leakage current specification.
4. Input timings are measured at the pin.
5. The setup and hold time is with respect to the rising edge of PORESET.
Table 45. PCI AC Timing Specifications at 66 MHz1 (continued)
Parameter
Symbol2
Min
Max
Unit
Notes
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MPC8349ECZUALFB | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications |
| MPC8349E-MDS | 功能描述:開發(fā)板和工具包 - 其他處理器 KIT FOR MPC8349E BDS RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
| MPC8349E-MDS-PB | 功能描述:開發(fā)板和工具包 - 其他處理器 PROCESSR BD MPC8349E RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
| MPC8349E-MDS-PBE | 功能描述:開發(fā)板和工具包 - 其他處理器 MPC8349E FAMILY ADS RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
| MPC8349E-MITXE | 功能描述:開發(fā)板和工具包 - 其他處理器 REFERENCE BRD FOR MPC834 RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
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