參數(shù)資料
型號： 73S1217F-68MR/F/PE
廠商： Maxim Integrated Products
文件頁數(shù)： 87/140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
Interrupt Enable 0 Register (IEN0): 0xA8
0x00
Table 43: The IEN0 Register
MSB
LSB
EAL
WDT
ET2
ES0
ET1
EX1
ET0
EX0
Bit
Symbol
Function
IEN0.7
EAL
EAL = 0 – disable all interrupts.
IEN0.6
WDT
Watchdog timer refresh flag.
Set to initiate a refresh of the watchdog timer. Must be set directly before
SWDT is set to prevent an unintentional refresh of the watchdog timer. WDT
is reset by hardware 12 clock cycles after it has been set.
IEN0.5
–
IEN0.4
ES0
ES0 = 0 – disable serial channel 0 interrupt.
IEN0.3
ET1
ET1 = 0 – disable timer 1 overflow interrupt.
IEN0.2
EX1
EX1 = 0 – disable external interrupt 1.
IEN0.1
ET0
ET0 = 0 – disable timer 0 overflow interrupt.
IEN0.0
EX0
EX0 = 0 – disable external interrupt 0.
Interrupt Enable 1 Register (IEN1): 0xB8
0x00
Table 44: The IEN1 Register
MSB
LSB
–
SWDT
EX6
EX5
EX4
EX3
EX2
Bit
Symbol
Function
IEN1.7
–
IEN1.6
SWDT
Watchdog timer start/refresh flag. Set to activate/refresh the watchdog
timer. When directly set after setting WDT, a watchdog timer refresh is
performed. Bit SWDT is reset by the hardware 12 clock cycles after it has
been set.
IEN1.5
EX6
EX6 = 0 – disable external interrupt 6.
IEN1.4
EX5
EX5 = 0 – disable external interrupt 5.
IEN1.3
EX4
EX4 = 0 – disable external interrupt 4.
IEN1.2
EX3
EX3 = 0 – disable external interrupt 3.
IEN1.1
EX2
EX2 = 0 – disable external interrupt 2.
IEN1.0
–
50
Rev. 1.2
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