MSM63P238 데이터 시트보기 (PDF) - Oki Electric Industry

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MSM63P238

4-Bit Microcontroller with Built-in 16K Word PROM, POCSAG Decoder, and Melody Circuit

Oki Electric Industry 

¡ Semiconductor

MSM63P238

Table 2 shows the secondary functions of each pin of the MSM63P238.

Table 2 Pin Descriptions (Secondary Functions)

Function Symbol

Pin

Type

Description

PB.0/INT0

46

External 0 interrupt input pins.

PB.1/INT0

47

PB.2/INT0

48

The change of input signal level causes an interrupt to occur.

I

The Port B Interrupt Enable register (PBIE) enables or

PB.3/INT0

49

disables an interrupt for each bit.

PC.0/INT1

42

External 1 interrupt input pins.

External PC.1/INT1

43

Interrupt PC.2/INT1

44

The change of input signal level causes an interrupt to occur.

I

The Port C Interrupt Enable register (PCIE) enables or

PC.3/INT1

45

disables an interrupt for each bit.

P1.0/INT5

50

External 5 interrupt input pins.

P1.1/INT5

51

P1.2/INT5

52

The change of input signal level causes an interrupt to occur.

I

The Port 1 Interrupt Enable register (P1IE) enables or

P1.3/INT5

53

disables an interrupt for each bit.

PB.0/TM0CAP

46

Capture

PB.1/TM1CAP

47

I Timer 0 capture trigger input pin.

I Timer 1 capture trigger input pin.

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