![background image](http://html1.mh-extra.com/html/omron/d6t-series/d6t-series_user-manual_740813014.webp)
13
D6T MEMS Thermal Sensors User’s Manual (A284)
Fig. 18. Signal Terminal Flow (D6T-32L-01)
Fig. 19. Start/Stop Conditions
On the D6T-32L-01A, the settings in Table 4 can be changed. Before performing the processing in
Fig. 19, perform the processing below at least 20 msec after supplying power to the product. Only
perform this processing at power startup.
Fig. 20. Write (D6T-32L-01)
Table 4. Register map (D6T-32L-01)
Register Address Default Function (Write Data)
0x00
0x00
b7(WR)
:
Stop
b6-b1
:
(reserved)
b0(R)
:
Data Ready
0x01
0x04
b7-b4(WR)
:
IIR coefficient(0 to 15)
b3-b0(WR)
:
Average(0 to 10)
0x02
0x14
b7-b0(WR)
:
Cycle time[x10ms]
The IIR filter coefficient can be set to 0 (through) or a value from 1 to 15.
Taking C to be 4 times the set value, the equation is Y= ((C-1)
×
Yold + X)/C.
Z
1/C
C-1
+
-1
Fig. 21. IIR filter
SCL
SDA
S
ACK
ACK
Sr
slave address[6:0] (0x0A)
ACK
W
Command[7:0] (0x4D)
R
slave address[6:0] (0x0A)
ACK
ACK
NACK
PEC data[7:0]
P
P1023 Low Byte[7:0]
P1023 Hign Byte[7:0]
ACK
ACK
PTAT Low Byte[7:0]
ACK
ACK
PTAT High Byte[15:8]
P0 Low Byte[7:0]
P0 High Byte[15:8]
Stop
Write Data
Ack
Slave Address
W
Ack
Start
Registor Address
Ack
Master
Slave