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C511 датащи(PDF) 91 Page - Siemens Semiconductor Group

номер детали C511
подробное описание детали  8-Bit CMOS Microcontroller
PDF  128 Pages
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производитель  SIEMENS [Siemens Semiconductor Group]
домашняя страница  http://www.siemens.com/
Logo SIEMENS - Siemens Semiconductor Group

C511 датащи(HTML) 91 Page - Siemens Semiconductor Group

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Semiconductor Group
7-4
Interrupt System
7.2
Interrupt Control Bits
7.2.1 Interrupt Enables
Each interrupt vector can be individually enabled or disabled by setting or clearing the
corresponding bit in the SFR IE (Interrupt Enable). This register also contains the global disable bit
EA, which can be cleared/set to disable/enable all interrupts at once.
Special Function Registers IE (Address A8H)
Reset Value : 00H
Bit
Function
EA
Disables all Interrupts.
If EA=0, no interrupt will be acknowledged.
If EA=1, each interrupt source is individually enabled or disabled by
setting or clearing its enable bit.
ESSC
SSC Interrupt Enable
If ESSC = 0 the interrupt of the synchronous serial channel is
disabled
ET2
Timer 2 Interrupt Enable.
If ET2 = 0, the timer 2 interrupt is disabled.
ES
USART Serial Channel Interrupt Enable
(C513/C513A/C513A-H only)
If ES = 0, the serial channel interrupt is disabled.
ET1
Timer 1 Overflow Interrupt Enable.
If ET1 = 0, the timer 1 interrupt is disabled.
EX1
External Interrupt 1 Enable.
If EX1 = 0, the external interrupt 1 is disabled.
ET0
Timer 0 Overflow Interrupt Enable.
If ET0 = 0, the timer 0 interrupt is disabled.
EX0
External Interrupt 0 Enable.
If EX0 = 0, the external interrupt 0 is disabled.
EA
ESSC
ET2
ES
A8H
IE
Bit No.
7
65
43
21
0
MSB
LSB
ET1
EX1
ET0
EX0



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