The built-in ICC Interface has a linear regulator (VCC
參數(shù)資料
型號: 73S1217F-68MR/F/PE
廠商: Maxim Integrated Products
文件頁數(shù): 118/140頁
文件大小: 0K
描述: IC SOC SMART CARD READER 68QFN
標(biāo)準(zhǔn)包裝: 2,500
系列: *
DS_1217F_002
73S1217F Data Sheet
Rev. 1.2
79
The built-in ICC Interface has a linear regulator (VCC generator) capable of driving 1.8, 3.0 and 5.0V smart
cards in accordance with the ISO 7816-3 and EMV4.0 standards. This converter uses the VP (5.5V
nominal) input supply source. See the power supply management section above for more detail.
Auxiliary I/O lines C4 and C8 are only provided for the built-in interface. If support for the auxiliary lines is
necessary for the external smart card interface, they need to be handled manually through the USR GPIO
pins. The external 73S8010x devices directly connect the I/O (SIO) and clock (SCLK) signals and control
is handled via the I
2C interface.
Figure 17 shows how multiple 73S8010x devices can be connected to the 73S1217F.
73S1217F
73S8010
SC3
SC2
73S8010
SC(n)
SC1
INT3
SDA
SCL
INT
SCL
SDA
INT
SCL
SDA
INT
SCL
SDA
SAD(0:2)
I/O
RST
CLK
C4
C8
VPC
PRES
IOUC
XTALIN
GND
PRES
VPC
PRES
SIO
SCLK
VCC
Figure 17: Smart Card Interface Block Diagram
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