MAX186CMJP Maxim Integrated, MAX186CMJP Datasheet - Page 22

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MAX186CMJP

Manufacturer Part Number
MAX186CMJP
Description
Analog to Digital Converters - ADC
Manufacturer
Maxim Integrated
Datasheet

Specifications of MAX186CMJP

Number Of Channels
8/4
Architecture
SAR
Conversion Rate
133 KSPs
Resolution
12 bit
Input Type
Single-Ended/Differential
Snr
Yes
Interface Type
4-Wire (SPI, Microwire, QSPI, TMS320)
Operating Supply Voltage
+/- 5 V, + 5 V
Maximum Operating Temperature
+ 125 C
Package / Case
CDIP N
Maximum Power Dissipation
640 mW
Minimum Operating Temperature
- 55 C
Number Of Converters
1
Voltage Reference
4.096 V
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

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