Rainbow Electronics MAX1464 - Manual (Page 45)

MAX1464
Low-Power, Low-Noise Multichannel
Sensor Signal Processor
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ADC MODULE
FLASH MEMOR
Y
(4kB)
SERIAL INTERF
ACE
SCLK
DI
DO
CS
R0 POINTER (P) R1 ACCUMULA
TOR (A)
R2 R3 MUL
TIPLICAND (N)
R4 MUL
TIPLIER (M)
R5 INDEX (I) R6 R7 R8 R9 RA RB RC RD RE RF
P0 P1 P2 P1 P3 P4 P5 P6 P7 P8 PA PB PC PD PE PF
CPU REGISTERS INSTRUCTION
CPU
FLASH DA
TA
ADDRESS
CPU POR
TS
INM2 INP2 INM1 INP1
POWER-ON
RESET
BANDGAP REFERENCE EXTERNAL REFERENCE
INPUT
V REF CKSEL CKIO
32h
OSC_CONTROL
V DD
4MHz
OSCILLA
TOR
÷ 2
MCLK
EN
ENCKOUT
OUT
V DD V SS V DDF V SSF
CO
DACREF
TEMPERA
TURE
SENSOR
VBG
V DD 4 x V
BG
2 x V
REF
ADC
INMn V BG OUTnSM OUTnLG V DD V SS DACnOUT VIA OUTnSM INPn
1 2 3 4 5 6 7 8 9 NO.
SINGLE-ENDED
DACnOUT VIA OUTnLG
00h
ADC_Control
08h
ADC_Config_T
A
07h
ADC_Data_T
06h
ADC_Config_2B
09h
ADC_Config_TB
02h
ADC_Config_1A
05h
ADC_Config_2A
04h
ADC_Data_2
03h 01h
ADC_Data_1
ADC_Config_1B
PGA
V SS
M U X
Detailed Block Diagram