參數(shù)資料
型號(hào)： 73S1217F-68MR/F/PE
廠商： Maxim Integrated Products
文件頁數(shù)： 103/140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
65
I2C Secondary Read Data Register (SRDR): 0XFF84
0x00
Table 66: The SRDR Register
MSB
LSB
SRDR.7
SRDR.6
SRDR.5
SRDR.4
SRDR.3
SRDR.2
SRDR.1
SRDR.0
Bit
Function
SRDR.7
Second Data byte to be read from the I
2C slave device if bit 0 (I2CLEN) of the Control
and Status register (CSR) is set = 1.
SRDR.6
SRDR.5
SRDR.4
SRDR.3
SRDR.2
SRDR.1
SRDR.0
I2C Control and Status Register (CSR): 0xFF85
0x00
Table 67: The CSR Register
MSB
LSB
–
AKERR
I2CST
I2CLEN
Bit
Symbol
Function
CSR.7
–
CSR.6
–
CSR.5
–
CSR.4
–
CSR.3
–
CSR.2
AKERR
Set to 1 if acknowledge bit from Slave Device is not 0. Automatically reset
when the new bus transaction is started.
CSR.1
I2CST
Write a 1 to start I
2C transaction. Automatically reset to 0 when the bus
transaction is done. This bit should be treated as a “busy” indicator on
reading. If it is high, the serial read/write operations are not completed and
no new address or data should be written.
CSR.0
I2CLEN
Set to 1 for 2-byte read or write operations. Set to 0 for 1-byte operations.
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