DA5541B_005.doc

13

00005541766 ECN865

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 Bit17Bit18 Bit19 Bit20

Fig. 6e: Reset sequence (21-Bit)