参数资料
型号: MPC8536BVTAQGA
厂商: Freescale Semiconductor
文件页数: 101/126页
文件大小: 0K
描述: MPU POWERQUICC III 783FCPBGA
标准包装: 1
系列: MPC85xx
处理器类型: 32-位 MPC85xx PowerQUICC III
速度: 1.0GHz
电压: 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
MPC8536E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 5
Electrical Characteristics
Freescale Semiconductor
76
2.13.2
eSDHC AC Timing Specifications
This table provides the eSDHC AC timing specifications as defined in the following figure.
Output low voltage
VOL
IOL = 100uA @OVDDmin
0.125 * OVDD
V
Output high voltage
VOH
IOH = -100 uA
OVDD - 0.2
2
Output low voltage
VOL
IOL = 2 mA
0.3
2
Notes:
1. The min VIL and VIH values are based on the respective min and max OVIN values found in Table 3.
2. Open drain mode for MMC cards only.
Table 56. eSDHC AC Timing Specifications
At recommended operating conditions (see Table 3)
Parameter
Symbol1
Min
Max
Unit
Notes
SD_CLK clock frequency:
SD/SDIO Full speed/high speed mode
MMC Full speed/high speed mode
fSHSCK
0
25/50
20/52
MHz
2, 5
SD_CLK clock frequency - identification mode
fSIDCK
0
100
400
KHz
3, 5
SD_CLK clock low time - High speed/Full speed mode
tSHSCKL
7/10
ns
5
SD_CLK clock high time - High speed/Full speed mode
tSHSCKH
7/10
ns
5
SD_CLK clock rise and fall times
tSHSCKR/
tSHSCKF
—3
ns
5
Input setup times: SD_CMD, SD_DATx, SD_CD to
SD_CLK
tSHSIVKH
2.5
ns
4,5,6
Input hold times: SD_CMD, SD_DATx, SD_CD to SD_CLK
tSHSIXKH
2.5
ns
5,6
Output delay time: SD_CLK to SD_CMD, SD_DATx valid
tSHSKHOV
–3
3
ns
5,6
Notes:
1. The symbols used for timing specifications herein follow the pattern of t(first three letters of functional block)(signal)(state) (reference)(state)
for inputs and t(first three letters of functional block)(reference)(state)(signal)(state) for outputs. For example, tFHSKHOV symbolizes eSDHC
high speed mode device timing (SHS) clock reference (K) going to the high (H) state, with respect to the output (O) reaching
the invalid state (X) or output hold time. Note that, in general, the clock reference symbol representation is based on five letters
representing the clock of a particular functional. For rise and fall times, the latter convention is used with the appropriate letter:
R (rise) or F (fall).
2. In full speed mode, clock frequency value can be 0–25 MHz for a SD/SDIO card and 0–20 MHz for a MMC card. In high speed
mode, clock frequency value can be 0–50 MHz for a SD/SDIO card and 0–52MHz for a MMC card.
3. 0 Hz means to stop the clock. The given minimum frequency range is for cases were a continuous clock is required.
4. To satisfy setup timing, one way board routing delay between Host and Card, on SD_CLK, SD_CMD and SD_DATx should
not exceed 1 ns.
5. CCARD ≤10 pF, (1 card), and CL = CBUS + CHOST+CCARD ≤ 40 pF
6. The parameter values apply to both full speed and high speed modes.
Table 55. eSDHC interface DC Electrical Characteristics (continued)
At recommended operating conditions (see Table 3)
Characteristic
Symbol
Condition
Min
Max
Unit
Notes
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