MT88E45B Просмотр технического описания (PDF) - Zarlink Semiconductor Inc

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MT88E45B

4-Wire Calling Number Identification Circuit 2 (4-Wire CNIC2)

Zarlink Semiconductor Inc 

MT88E45B

Data Sheet

Vdd

Vdd

Interrupt Source 1

INT1

(Open Drain)

Interrupt Source 2

Resistor (R1)

D1

R1 can be opened and

D1 shorted if the

microcontroller does not

read the INT1 pin.

Resistor (R2)

INT2

(CMOS)

MT88E45B

DR/STD

(CMOS)

Microcontroller

INT(input)

Input Port Bit

Figure 9 - Application Circuit: Multiple Interrupt Source

14

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