 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
TLV5614CPWR Datasheet(PDF) 23 Page - Texas Instruments |
|
|
|
|||||||||||||||||||||||||||||
TLV5614CPWR Datasheet(HTML) 23 Page - Texas Instruments |
|
|
23 / 27 page  TLV5614 2.7-V TO 5.5-V 12-BIT 3- µS QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS WITH POWER DOWN SLAS188 – SEPTEMBER 1998 23 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 APPLICATION INFORMATION MOV A,R7 ; pointer in R7 ADD A,#0FH ; add 15 – already done one INC ANL A,#03FH ; wrap back round to 0 if > 64 MOV R7,A ; pointer back in R7 MOVC A,@A+DPTR ; get DAC D msb from the table ORL A,#03H ; set control bits to DAC D address B_LSB_TX: JNB TI,B_LSB_TX ; wait for DAC B lsb transmit to complete SETB T1 ; toggle FS CLR T1 CLR TI ; clear for new transmit MOV SBUF,A ; and send out the msb of DAC D INC R7 ; increment the pointer in R7 MOV A,R7 ; to get the next byte from the table MOVC A,@A+DPTR ; which is the lsb of this sample, now in ACC D_MSB_TX: JNB TI,D_MSB_TX ; wait for transmit to complete CLR TI ; clear for new transmit MOV SBUF,A ; and send out the lsb of DAC D ; increment the rolling pointer to point to the next sample ; ready for the next interrupt MOV A,rolling_ptr ADD A,#02H ; add 2 to the rolling pointer ANL A,#03FH ; wrap back round to 0 if > 64 MOV rolling_ptr,A ; store in memory again D_LSB_TX: JNB TI,D_LSB_TX ; wait for DAC D lsb transmit to complete CLR TI ; clear for next transmit SETB T1 ; FS high SETB T0 ; CS high POP ACC POP PSW RETI ;––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– ; Stack needs definition ;––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– RSEG STACK DS 10h ; 16 Byte Stack! ;––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– ; Main program code ;––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– 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,#038H ; set TH0 for 5kHs interrupts SETB INT1 ; set LDAC = 1 SETB T1 ; set FS = 1 SETB T0 ; set CS = 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 |
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
