MSM63P238 Просмотр технического описания (PDF) - Oki Electric Industry

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производитель

MSM63P238

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

Oki Electric Industry 

¡ Semiconductor

MSM63P238

Table 2 Pin Descriptions (Secondary Functions) (continued)

Function Symbol

Pin

Type

Description

PB.0/TM0OVF

46

O Timer 0 overflow flag output pin.

PB.1/TM1OVF

47

Timer

PB.2/T02CK

48

O Timer 1 overflow flag output pin.

I External clock input pin for timer 0 and timer 2.

PB.3/T13CK

49

I External clock input pin for timer 1 and timer 3.

Oscillation PD.2/TBCCLK

39

O Low-speed oscillation clock output pin

Output PD.3/HSCLK

40

O High-speed oscillation clock output pin

PC.0/RXD

42

I Serial port receive data input pin

Sync serial port clock input-output pin.

Transmit clock output when this device is used as a master

PC.1/TXC

43

I/O processor.

Transmit clock input when this device is used as a slave

Serial

processor.

Port

Sync serial port clock input-output pin.

Receive clock output when this device is used as a master

PC.2/RXC

44

I/O processor.

Receive clock input when this device is used as a slave

processor.

PC.3/TXD

45

O Serial port transmit data output pin.

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