2

CML does not assume any responsibility for the use of any circuitry described. No circuit patent licences are implied

and CML reserves the right at any time without notice to change the said circuitry.

FX529 - Brief Specification

Package Styles Available

FX529J

24-pin cerdip DIL

(J4)

FX529LG

24-pin quad plastic encapsulated

bent and cropped

(L1)

FX529LS

24-lead plastic leaded

chip carrier

(L2)

Function

FFSK Modem for trunked radio systems

Supply Voltage Range

4.5 to 5.5 volts

Supply Current

(5.0V) 7.0 mA maximum

Control

8-bit parallel

Duplex

Full

Data Rate

1200 baud

Xtal/Clock Frequency

4.032 MHz

Package Styles

24-pin cerdip DIL (FX529J)

24-pin PLCC

(FX529LG)

24-pin PLCC

(FX529LS)

Full details of this product are available from CML or its distributors

V

BIAS

V

DD

V

DD

V

SS

V

SS

V

SS

TRANSMIT OUTPUT

MICROPROCESSOR DATA INTERFACE

RECEIVE INPUT

XTAL

XTAL/CLOCK

'CD' TIME CONSTANT

1

2

3

4

5

6

7

8

9

10

11

12

24

23

22

21

20

19

18

17

16

15

14

13

FX529J

D

1

D

1

D

6

IRQ

D

3

D

4

A

0

D

5

D

0

D

0

D

7

A

2

D

2

D

5

A

1

D

4

D

2

D

6

D

3

D

7

STROBE

4

CLOCK