Hardware Development Guide of Module Product
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32
MF206A
3.5.3
Application of (U)SIM Card Interface
The following Figure 3-2 shows the reference design of the USIM card.
Figure 3–2 (U)SIM Card Signal Connection Circuit
3.6
SD Card Interface
3.6.1
Description of PINs
The SD card interface of module is the storage card based on FLASH, embedded with 4-bit and 1-bit SD
controller, supporting SD and Mini SD cards. Its PIN signals are as shown in Table 3-7.
Table 3–7 Definition of SD Card Signal Interface
PIN No.
Pin Name
Signal Definition
Signal Description
61
SDCC_DATA0
SD card data cable PIN
SD card data cable
60
SDCC_DATA1
SD card data cable PIN
59
SDCC_DATA2
SD card data cable PIN
58
SDCC_DATA3
SD card data cable PIN
57
SDCC_CLK
SD card clock cable PIN
SD control clock output can
reach up to 20MHz
56
SDCC_CMD
SD card control PIN
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