MAX192 Maxim, MAX192 Datasheet - Page 22

• Manufacturer Part Number: MAX192
• Description: Low-Power / 8-Channel / Serial 10-Bit ADC
• Manufacturer: Maxim

Low-Power, 8-Channel,
Serial 10-Bit ADC
Figure 20. MAX192 Assembly-Code Listing (continued)
22
***** Initialize QSPI Command RAM *****
***** Initialize QSPI Transmit RAM *****
READ192:
;This routine triggers the QSPI microsequencer to autonomously
;trigger conversions on all 8 channels of the MAX192. Each
;conversion result is stored in the receive data RAM.
***** Interrupts/Exceptions *****
BDM: BGND
______________________________________________________________________________________
LDD
STD
LDAA
STAA
LDAA
STAA
STAA
STAA
STAA
STAA
STAA
STAA
LDAA
STAA
LDD
LDD
LDD
LDD
LDD
LDD
LDD
LDD
LDD
PULB
PULA
RTS
PSHA
LDAA
ORAA
STAA
PULA
RTS
SPCR2
#$0800
#$008F
#$00CF
#$009F
#$00DF
#$00AF
#$00EF
#$00BF
#$00FF
#$0000
$FD40
$FD41
$FD42
$FD43
$FD44
$FD45
$FD46
$FD47
$FD48
SPCR1
#$80
#$C0
#$40
#$80
SPCR1
;exception vectors point here
;and put the user in background debug mode
;CONT=1,BITSE=0,DT=0,DSCK=0,PCS0=ACTIVE
;CONT=0,BITSE=1,DT=0,DSCK=0,PCS0=ACTIVE
;CONT=1,BITSE=1,DT=0,DSCK=0,PCS0=ACTIVE
;store first byte in COMMAND RAM
;just set SPE
;set ENDQP to $8 for 9 transfers
STD
STD
STD
STD
STD
STD
STD
STD
STD
$FD20
$FD22
$FD24
$FD26
$FD28
$FD2A
$FD2C
$FD2E
$FD30