參數(shù)資料
型號: 73S1217F-68MR/F/PE
廠商: Maxim Integrated Products
文件頁數(shù): 67/140頁
文件大小: 0K
描述: IC SOC SMART CARD READER 68QFN
標(biāo)準(zhǔn)包裝: 2,500
系列: *
73S1217F Data Sheet
DS_1217F_002
Miscellaneous Control Register 1 (MISCtl1): 0xFFF2
0x10
Table 16: The MISCtl1 Register
MSB
LSB
FRPEN
FLSH66
ANAPEN USBPEN USBCON
Bit
Symbol
Function
MISCtl1.7
MISCtl1.6
MISCtl1.5
FRPEN
Flash Read Pulse enable (low). If FRPEN = 1, the Flash Read signal is
passed through with no change. When FRPEN = 0 a one-shot circuit that
shortens the Flash Read signal is enabled to save power. The Flash Read
pulse will shorten to 40 or 66ns (approximate based on the setting of the
FLSH66 bit) in duration, regardless of the MPU clock rate. For MPU clock
frequencies greater than 10MHz, this bit should be set high.
MISCtl1.4
FLSH66
When high, creates a 66ns Flash read pulse, otherwise creates a 40ns read
pulse when FRPEN is set.
MISCtl1.3
MISCtl1.2
ANAPEN*
0 = Enable the analog functions that generate VREF and bias current
functions. Setting high will turn off the VPD regulator and VCO/PLL
functions.
MISCtl1.1
USBPEN
0 = Enable the USB differential transceiver.
MISCtl1.0
USBCON
USB pull-up resistor connect enable.
*Note: The ANAPEN bit should never be set under normal circumstances. Power down control should
only be initiated via use of the PWRDN bit in MISCtl0.
32
Rev. 1.2
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