Silan

Semiconductors

SC83702

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0

2000.12.31

4

AC TIMING TEST POINT

1.3V

0.7V

2VDD

Vss

VDD

Vss

Vss+0.8V

OUTPUT: RXD pin

INPUT:X1,X2,Y1,Y2 pins

RTS pin

Other pins

X1,X2,Y1,Y2 INPUT IMPEDANCE

0

1.0

2.0

3.0

4.0

5.0

5.0

UNIT:K

MAX.

TYP.

MIN.

7.0

8.0

9.0

6.0

2.0

3.0

4.0

1.0

10.0

15.0

16.0

17.0

12.0

13.0

14.0

11.0

INPUT VOLTAGE

PIN DESCRIPTION

Pin Name

I/O

Description

RS

I

Crystal type select: "0" or floating. select 32.768KHz crystal. "1" select 3.58MHz

resonator.

RXD

O

There are 8 or 7 bits in each data byte.

Using parallel-in and serial-out components, the data bytes are shifted out from bit 0

through the high bits. SC83702 will transmit the data while the status of three key

switches or the state of the horizontal counter or vertical counter is changed.

(to be continued)