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Atmega128rfa1 – Rainbow Electronics ATmega128RFA1 User Manual

Page 221

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221


8266A-MCU Wireless-12/09

ATmega128RFA1

Register Bits

Value

Description

request.

0x01

Any edge of INTn generates asynchronously
an interrupt request.

0x02

The falling edge of INTn generates
asynchronously an interrupt request.

0x03

The rising edge of INTn generates
asynchronously an interrupt request.

Bit 5:4 – ISC61:60 - External Interrupt 6 Sense Control Bit

Table 16-131 ISC6 Register Bits

Register Bits

Value

Description

0x00

The low level of INTn generates an interrupt
request.

0x01

Any edge of INTn generates asynchronously
an interrupt request.

0x02

The falling edge of INTn generates
asynchronously an interrupt request.

ISC61:60

0x03

The rising edge of INTn generates
asynchronously an interrupt request.

Bit 3:2 – ISC51:50 - External Interrupt 5 Sense Control Bit

Table 16-132 ISC5 Register Bits

Register Bits

Value

Description

0x00

The low level of INTn generates an interrupt
request.

0x01

Any edge of INTn generates asynchronously
an interrupt request.

0x02

The falling edge of INTn generates
asynchronously an interrupt request.

ISC51:50

0x03

The rising edge of INTn generates
asynchronously an interrupt request.

Bit 1:0 – ISC41:40 - External Interrupt 4 Sense Control Bit

Table 16-133 ISC4 Register Bits

Register Bits

Value

Description

0x00

The low level of INTn generates an interrupt
request.

0x01

Any edge of INTn generates asynchronously
an interrupt request.

0x02

The falling edge of INTn generates
asynchronously an interrupt request.

ISC41:40

0x03

The rising edge of INTn generates
asynchronously an interrupt request.