参数资料
型号: MPC5123VY400B
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: RISC PROCESSOR, PBGA516
封装: 27 X 27 MM, ROHS COMPLIANT, PLASTIC, TFBGA-516
文件页数: 57/86页
文件大小: 1266K
代理商: MPC5123VY400B
MPC5121E/MPC5123 Data Sheet, Rev. 1
Electrical and Thermal Characteristics
Freescale Semiconductor
60
Figure 39. SDHC Timing Diagram
Table 36 lists the timing parameters.
.
Table 36. MMC/SD Interface Timing Parameters
ID
Parameter
Symbols
Min
Max
Unit
SpecID
Card Input Clock
SD1
Clock Frequency (Low Speed)
fPP
1
1 In low speed mode, card clock must be lower than 400 kHz, voltage ranges from 2.7 to 3.6 V.
0
400
kHz
A14.1
Clock Frequency (SD/SDIO Full
Speed/High Speed)
fPP
2
2 In normal data transfer mode for SD/SDIO card, clock frequency can be any value between 0 ~ 25 MHz.
0
25/50
MHz
A14.2
Clock Frequency (MMC Full Speed/High
Speed)
fPP
3
3 In normal data transfer mode for MMC card, clock frequency can be any value between 0 ~ 20 MHz.
0
20/52
MHz
A14.3
Clock Frequency (Identification Mode)
fOD
4
4 In card identification mode, card clock must be 100 kHz ~ 400 kHz, voltage ranges from 2.7 to 3.6 V.
100
400
kHz
A14.4
SD2
Clock Low Time (Full Speed/High Speed)
tWL
10/7
ns
A14.5
SD3
Clock High Time (Full Speed/High Speed)
tWH
10/7
ns
A14.6
SD4
Clock Rise Time (Full Speed/High Speed)
tTLH
10/3
ns
A14.7
SD5
Clock Fall Time (Full Speed/High Speed)
tTHL
10/3
ns
A14.8
SDHC Output / Card Inputs CMD, DAT (Reference to CLK)
SD6
SDHC Output for Card Input Setup
tOSU
15
ns
A14.9
SD7
SDHC Output for Card Input Hold
tOH
15
ns
A14.10
SDHC Input / Card Outputs CMD, DAT (Reference to CLK)
SD8
SDHC Input Setup Time
tISU
8ns
A14.11
SD1
SD3
SD5
SD7
SD4
SD8
MMCx_CMD
Output from SDHC to card
MMCx_DAT_1
MMCx_DAT_2
MMCx_DAT_3
MMCx_DAT_0
MMCx_CMD
Input from card to SDHC
MMCx_DAT_1
MMCx_DAT_2
MMCx_DAT_3
MMCx_DAT_0
MMCx_CLK
SD2
SD6
Preliminary
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