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DA5534_022.doc
July 17th, 2002
13
ECN493
sequence: START+T-measurement
Bit7
Conversion start for temperature measurement and ADC-data-out "D2":
end of conversion
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
conversion
(33ms)
Bit8 Bit9
Start-bit
Stop-bit
Setup-bits
start of conversion
DB7
ADC-data out MSB
ADC-data out LSB
DB6 DB5 DB4 DB3 DB2 DB1
DB0
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Fig. 6b: D2 acquisition sequence
sequence: coefficient read + address
Bit7
Calibration data read out sequence for word 1/ word 3:
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
DB7
coefficient-data out MSB
coefficient-data out LSB
Bit8 Bit9
Start-bit
Stop-bit
DB6 DB5 DB4 DB3 DB2 DB1
DB0 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Bit10 Bit11
address word 1
address word 3
Setup-bits
Fig. 6c: W1, W3 reading sequence
address word 2
address word 4
sequence: coefficient read + address
Bit7
Calibration data read out sequence for word 2/ word 4:
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
DB7
coefficient-data out MSB
coefficient-data out LSB
Bit8 Bit9
Start-bit
Stop-bit
DB6 DB5 DB4 DB3 DB2 DB1
DB0 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Bit10 Bit11
Setup-bits
Fig. 6d: W2, W4 reading sequence
sequence: RESET
Bit7
RESET - sequence:
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Bit8 Bit9 Bit10 Bit11Bit12 Bit13 Bit14 Bit15 Bit16 Bit17 Bit18 Bit19 Bit20
Fig. 6e: Reset sequence (21-Bit)
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