参数资料
型号: TMDXBDKFP5515
厂商: Texas Instruments
文件页数: 106/159页
文件大小: 0K
描述: KIT DEV FINGERPRINT C5515
标准包装: 1
传感器类型: 指纹
接口: USB
电源电压: 5V
嵌入式: 是,MCU,16 位
已供物品: 板,扩展板,线缆,迷你型 DVD,传感器
已用 IC / 零件: C5515
产品目录页面: 718 (CN2011-ZH PDF)
其它名称: 296-27452
SPRS645F – AUGUST 2010 – REVISED OCTOBER 2013
5.10.2 MMC/SD Electrical Data/Timing
Table 5-22. Timing Requirements for MMC/SD (see Figure 5-22 and Figure 5-25 )
CV DD = 1.3 V
CV DD = 1.05 V
NO
.
FAST MODE
STD MODE
UNIT
MIN
MAX
MIN
MAX
1
2
3
4
t su(CMDV-CLKH)
t h(CLKH-CMDV)
t su(DATV-CLKH)
t h(CLKH-DATV)
Setup time, MMCx_CMD data input valid before MMCx_CLK high
Hold time, MMCx_CMD data input valid after MMCx_CLK high
Setup time, MMC_Dx data input valid before MMCx_CLK high
Hold time, MMC_Dx data input valid after MMCx_CLK high
3
3
3
3
3
3
3
3
ns
ns
ns
ns
Table 5-23. Switching Characteristics Over Recommended Operating Conditions for MMC Output (1) (see
CV DD = 1.3 V
CV DD = 1.05 V
NO
.
PARAMETER
FAST MODE
MIN
MAX
STD MODE
MIN
MAX
UNIT
7
8
f (CLK)
f (CLK_ID)
Operating frequency, MMCx_CLK
Identification mode frequency, MMCx_CLK
0
0
50 (2)
400
0
0
25 (2)
400
MHz
kHz
9
10
11
12
13
14
15
16
t w(CLKL)
t w(CLKH)
t r(CLK)
t f(CLK)
t d(MDCLKL-CMDIV)
t d(MDCLKL-CMDV)
t d(MDCLKL-DATIV)
t d(MDCLKL-DATV)
Pulse width, MMCx_CLK low
Pulse width, MMCx_CLK high
Rise time, MMCx_CLK
Fall time, MMCx_CLK
Delay time, MMCx_CLK low to MMC_CMD data output invalid
Delay time, MMCx_CLK low to MMC_CMD data output valid
Delay time, MMCx_CLK low to MMC_Dx data output invalid
Delay time, MMCx_CLK low to MMC_Dx data output valid
7
7
-4
-4
3
3
4
4
10
10
-4.1
-4.1
3
3
5.1
5.1
ns
ns
ns
ns
ns
ns
ns
ns
(1)
(2)
For MMC/SD, the parametric values are measured at DV DDIO = 3.3 V and 2.75 V.
Use this value or SYS_CLK/2 whichever is smaller.
MMCx_CLK
MMCx_CMD
14
7
VALID
13
9
10
Figure 5-22. MMC/SD Host Command Write Timing
9
MMCx_CLK
7
3
4
10
3
4
MMCx_Dx
Start
D0
D1
Dx
End
Figure 5-23. MMC/SD Card Response Timing
106
Peripheral Information and Electrical Specifications
Product Folder Links: TMS320C5515
Copyright ? 2010–2013, Texas Instruments Incorporated
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