MSM63P238-XXXGS-BK Просмотр технического описания (PDF) - Oki Electric Industry

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производитель

MSM63P238-XXXGS-BK

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

Oki Electric Industry 

¡ Semiconductor

MSM63P238

Table 1 Pin Descriptions (Basic Functions) (continued)

Function

Port

Symbol

P8.0/RD

P8.1/WR

P9.0/D0

P9.1/D1

P9.2/D2

P9.3/D3

PA.0/D4

PA.1/D5

PA.2/D6

PA.3/D7

PB.0/INT0/

TM0CAP/

TM0OVF

PB.1/INT0/

TM1CAP/

TM1OVF

PB.2/INT0/

T02CK

PB.3/INT0/

T13CK

PC.0/INT1/

RXD

PC.1/INT1/

TXC

PC.2/INT1/

RXC

PC.3/INT1/

TXD

PD.0

PD.1

PD.2

PD.3

Pin

Type

Description

62

2-bit input-output port and 4-bit input-output ports.

I/O

64

In input mode, pull-up resistor input, pull-down resistor input,

65

or high-impedance input is selectable for each bit.

66

In output mode, P-channel open drain output, N-channel open

67

I/O drain output, CMOS output, or high-impedance output is

68

selectable for each bit.

69

70

I/O

71

72

46

47

I/O

48

49

42

43

I/O

44

45

37

38

I/O

39

40

8/28

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