参数资料
型号: 73S1209F-68IM/F/P
厂商: Maxim Integrated Products
文件页数: 48/123页
文件大小: 0K
描述: IC SMART CARD READER PROG 68-QFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 260
系列: 73S12xx
核心处理器: 80515
芯体尺寸: 8-位
速度: 24MHz
连通性: I²C,智能卡,UART/USART
外围设备: LED,POR,WDT
输入/输出数: 9
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
RAM 容量: 2K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 68-VFQFN 裸露焊盘
包装: 管件
73S1209F Data Sheet
DS_1209F_004
Miscellaneous Control Register 1 (MISCtl1): 0xFFF2
0x10
Table 16: The MISCtl1 Register
MSB
LSB
FRPEN FLSH66
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
MISCtl1.1
MISCtl1.0
Master Clock Control Register (MCLKCtl): 0x8F
0x0A
Table 17: The MCLKCtl Register
MSB
LSB
HSOEN
KBEN
SCEN
MCT.2
MCT.1
MCT.0
Bit
Symbol
Function
MCLKCtl.7
HSOEN*
High-speed oscillator enable. When set = 1, disables the high-speed
crystal oscillator and VCO/PLL system. This bit is not changed when
the PWRDN bit is set but the oscillator/VCO/PLL is disabled.
MCLKCtl.6
KBEN
1 = Disable the keypad logic clock. This bit is not changed in PWRDN
mode but the function is disabled.
MCLKCtl.5
SCEN
1 = Disable the smart card logic clock. This bit is not changed in
PWRDN mode but the function is disabled. Interrupt logic for card
insertion/removal remains operable even with smart card clock
disabled.
MCLKCtl.4
MCLKCtl.3
MCLKCtl.2
MCT.2
This value determines the ratio of the VCO frequency (MCLK) to the
high-speed crystal oscillator frequency such that:
MCLK=(MCount*2 + 4)*Fxtal. The default value is MCount= 2h such
that MCLK = (2*2 + 4)*12.00MHz = 96MHz.
MCLKCtl.1
MCT.1
MCLKCtl.0
MCT.0
*Note: The HSOEN bit should never be set under normal circumstances. Power down control should
only be initiated via use of the PWRDN bit in MISCtl0.
30
Rev. 1.2
相关PDF资料
PDF描述
73S1209F-44IMR/F/P IC SMART CARD READER PROG 44-QFN
73S1209F-44IM/F/P IC SMART CARD READER PROG 44-QFN
AKSPT-G-BLU-R CONN SHUNT 2.54MM GOLD 6.0MM BLU
AKSNT-Z-RED-R CONN SHUNT 2.54MM TIN 4.5MM RED
AKSNT-Z-BLUE-R CONN SHUNT 2.54MM TIN 4.5MM BLUE
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