DMC73C168 Просмотр технического описания (PDF) - Daewoo Semiconductor

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DMC73C168

8Bit Single Chip Microcontroller

Daewoo Semiconductor 

8Bit Single Chip Microcontroller

8

DMC73C168

3.2 Description

NAME

A0/FM IF

A1/AM IF

Pin No. I/O

1 I/O

2 I/O

FUNCTIONAL DESCRIPTION

Port A is a bidirectional data port.

These Ports can be selected as universal Counter

input. A0 and A1 work as the FM IF and AM IF pin,

independently. The maximum input frequency is 5MHz

for AM IF (0.1Vp-p) and 20MHz (0.1Vp-p) for FM IF.

PORT TYPE

Analog-IN or

Logic-IN/

Push-Pull OUT

A2/AD1

A3/AD2

3 I/O These Posts can be selected for an A/D Converter Input. Analog-IN or

4 I/O 2 Channel/8-Bit Analog-to-Digital Converter are used for Logic-IN/

the Sequential Comparison method by program.

Push-Pull OUT

Reference Voltage of the A/D Converter is the same

level of VDD (5V ¡ 1¾0%)

A4/ECI1

A5/ECI2

5 I/O The A4,A5 Port can be used as event counter input 1,2.

6 I/O

A6/INT4

7 I/O These Ports can be used as external interrupt pin.

Logic-IN or

A7/INT3

8 I/O

Schmitt-

Tri gger-IN/

Push-Pull OUT

E0/SO1

9 I/O Port E is a bidirectional data port.

E1/SI1

10 I/O These Ports can be selected as serial interface (SIO) 1. Logic-IN/

E2/SCLK1 11 I/O E0, E1 and E2 work as the serial output, serial input and Push-Pull OUT

serial clock pin, respectively.

E3/SO2

12 I/O These Ports can be selected as serial interface (SIO) 2.

E4/SI2

13 I/O E3, E4 and E5 work as the serial output, serial input and Logic-IN/

E5/SCLK2 14 I/O serial clock pin, respectively.

Push-Pull OUT

E6

E7/BEEP

15 I/O

16 I/O The E7 Port can be used as BEEP output pin.

F0

17 I/O Port F is a bidirectional data port.

F1

18 I/O

F2

19 I/O

F3

20 I/O

F4

21 I/O

F5

22 I/O

F6

23 I/O

F7

24 I/O

Logic-IN/

Push-Pull OUT

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