TLV5616C, TLV5616I

2.7 V TO 5.5 V LOW POWER 12-BIT DIGITAL-TO-ANALOG

CONVERTERS WITH POWER DOWN

SLAS152B – DECEMBER 1997 – REVISED MARCH 1999

17

POST OFFICE BOX 655303

APPLICATION INFORMATION

RSEG

STACK

DS

10h

; 16 Byte Stack!

;–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

; Main Program

;–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

RSEG

MAIN

start:

MOV

SP,#STACK–1

; first set Stack Pointer

CLR

A

MOV

SCON,A

; set serial port 0 to mode 0

MOV

TMOD,#02H

; set timer 0 to mode 2 – auto–reload

MOV

TH0,#0C8H

; set TH0 for 16.67 kHs interrupts

SETB

T1

; set FS = 1

SETB

T0

; set CSB = 1

SETB

ET0

; enable timer 0 interrupts

SETB

EA

; enable all interrupts

MOV

rolling_ptr,A

; set rolling pointer to 0

SETB

TR0

; start timer 0

always:

SJMP

always

; while(1) !

RET

;–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

; Table of 32 sine wave samples used as DAC data

;–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

RSEG

SINTBL

sinevals:

DW

01000H

DW

0903EH

DW

05097H

DW

0305CH

DW

0B086H

DW

070CAH

DW

0F0E0H

DW

0F06EH

DW

0F039H

DW

0F06EH

DW

0F0E0H

DW

070CAH

DW

0B086H

DW

0305CH

DW

05097H

DW

0903EH

DW

01000H

DW

06021H

DW

0A0E8H

DW

0C063H

DW

040F9H

DW

080B5H

DW

0009FH

DW

00051H

DW

00026H

DW

00051H

DW

0009FH

DW

080B5H

DW

040F9H

DW

0C063H

DW

0A0E8H

DW

06021H

END