MAX186 Maxim, MAX186 Datasheet - Page 22

• Manufacturer Part Number: MAX186
• Description: Low-Power / 8-Channel / Serial 12-Bit ADCs
• Manufacturer: Maxim

Low-Power, 8-Channel,
Serial 12-Bit ADCs
Figure 20. MAX186/MAX188 Assembly-Code Listing (continued)
22
***** Initialize QSPI Command RAM *****
***** Initialize QSPI Transmit RAM *****
READ186:
;This routine triggers the QSPI microsequencer to autonomously
;trigger conversions on all 8 channels of the MAX186. 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
;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
;set delay between transfers
STD
STD
STD
STD
STD
STD
STD
STD
STD
$FD20
$FD22
$FD24
$FD26
$FD28
$FD2A
$FD2C
$FD2E
$FD30