參數(shù)資料
型號: 73S1209F-68IMR/F
廠商: Maxim Integrated Products
文件頁數(shù): 79/123頁
文件大?。?/td> 0K
描述: IC SMART CARD READER 68-QFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
系列: 73S12xx
核心處理器: 80515
芯體尺寸: 8-位
速度: 24MHz
連通性: I²C,智能卡,UART/USART
外圍設(shè)備: LED,POR,WDT
輸入/輸出數(shù): 9
程序存儲(chǔ)器容量: 32KB(32K x 8)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 2K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 68-VFQFN 裸露焊盤
包裝: 帶卷 (TR)
DS_1209F_004
73S1209F Data Sheet
Rev. 1.2
59
I2C Secondary Read Data Register (SRDR): 0XFF84
0x00
Table 62: 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 63: 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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