Conversion start for temperature measurement and ADC-data-out "D2":
end of conversion
conversion
(33ms)
ADC-data out MSB
DB7 DB6 DB5 DB4 DB3 DB2 DB1
ADC-data out LSB
start of conversion
DB0 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
sequence: START+T-measurement
Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7 Bit8 Bit9
Start-bit
Setup-bits
Stop-bit
Fig. 6b: D2 ACQUISITION sequence.
Calibration data read out sequence for word 1/ word 3:
coefficient-data out MSB
DB7 DB6 DB5 DB4 DB3 DB2 DB1
coefficient-data out LSB
DB0 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
sequence: coefficient read + address
Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7 Bit8 Bit9Bit10 Bit11
Setup-bits
Stop-bit
Start-bit
address word 1
address word 3
Fig. 6c: Word1, Word3 READING sequence.
Calibration data read out sequence for word 2/ word 4:
coefficient-data out MSB
DB7 DB6 DB5 DB4 DB3 DB2 DB1
coefficient-data out LSB
DB0 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
sequence: coefficient read + address
Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7 Bit8 Bit9 Bit10 Bit11
Setup-bits
Stop-bit
Start-bit
address word 2
address word 4
Fig. 6d: W2, W4 READING sequence.
RESET - sequence:
sequence: RESET
Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7 Bit8 Bit9 Bit10 Bit11Bit12 Bit13Bit14 Bit15 Bit16Bit17Bit18 Bit19 Bit20
Fig. 6e: RESET sequence (21-Bit).
DA5540B_007
September 25th, 2006
13
00005540767 ECN 865
INTERSEMA [ INTERSEMA SENSORIC SA ]
