參數(shù)資料
型號(hào)： MC9328MX1VM20R2
廠商： Freescale Semiconductor
文件頁數(shù)： 67/100頁
文件大?。?/td> 0K
描述： IC MCU I.MX 200MHZ 256-MAPBGA
標(biāo)準(zhǔn)包裝： 1,000
系列： i.MX1
核心處理器： ARM9
芯體尺寸： 32-位
速度： 200MHz
連通性： EBI/EMI，I²C，MMC，智能卡，SPI，SSI，UART/USART，USB
外圍設(shè)備： DMA，I²S，LCD，POR，PWM，WDT
輸入/輸出數(shù)： 110
程序存儲(chǔ)器類型： ROMless
電壓 - 電源 (Vcc/Vdd)： 1.7 V ~ 3.3 V
振蕩器型： 外部
工作溫度： 0°C ~ 70°C
封裝/外殼： 256-MAPBGA
包裝： 帶卷 (TR)
Functional Description and Application Information
MC9328MX1 Technical Data, Rev. 7
Freescale Semiconductor
69
4.10.1
Command Response Timing on MMC/SD Bus
The card identification and card operation conditions timing are processed in open-drain mode. The card
response to the host command starts after exactly NID clock cycles. For the card address assignment,
SET_RCA is also processed in the open-drain mode. The minimum delay between the host command and
card response is NCR clock cycles as illustrated in Figure 48. The symbols for Figure 48 through
Figure 52 are defined in Table 29.
Table 28. SDHC Bus Timing Parameter Table
Ref
No.
Parameter
1.8 ± 0.1 V
3.0 ± 0.3 V
Unit
Minimum
Maximum
Minimum
Maximum
1
CLK frequency at Data transfer Mode
(PP)1—10/30 cards
1 C
L ≤ 100 pF / 250 pF (10/30 cards)
0
25/5
0
25/5
MHz
2
CLK frequency at Identification Mode2
2 C
L ≤ 250 pF (21 cards)
0
400
0
400
kHz
3a
Clock high time1—10/30 cards
6/33
–
10/50
–
ns
3b
Clock low time1—10/30 cards
15/75
–
10/50
–
ns
4a
Clock fall time1—10/30 cards
–
10/50
(5.00)3
–
10/50
ns
4b
Clock rise time1—10/30 cards
–
14/67
(6.67)3
–
10/50
ns
5a
Input hold time3—10/30 cards
3 C
L ≤ 25 pF (1 card)
10.3/10.3
–
9/9
–
ns
5b
Input setup time3—10/30 cards
10.3/10.3
–
9/9
–
ns
6a
Output hold time3—10/30 cards
5.7/5.7
–
5/5
–
ns
6b
Output setup time3—10/30 cards
5.7/5.7
–
5/5
–
ns
7
Output delay time3
0
16
0
14
ns
Table 29. State Signal Parameters for Figure 48 through Figure 52
Card Active
Host Active
Symbol
Definition
Symbol
Definition
Z
High impedance state
S
Start bit (0)
D
Data bits
T
Transmitter bit (Host = 1, Card = 0)
*
Repetition
P
One-cycle pull-up (1)
CRC
Cyclic redundancy check bits (7 bits)
E
End bit (1)
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