Specification Of Communication; Outline Of I2C Interface; Interface Configuration Registers - Omron D6F-PH User Manual

7

Specification of Communication

7-1. Outline of I2C Interface

Communication
method
Slave HEX
Address
BIN (7bit)
Communications
frequency
Signal SCL
SDA
Bit
Value 1
During Write: Set LSB of slave address to "0" to form D8h (1101_1000b).
During Read: Set LSB of slave address to "1" to form D9h (1101_1001b).

7-2. Interface Configuration Registers

The memory and registers access are controlled by writing to the interface configuration
registers.
Signal
Conditioning
7
Table2. Basic specification of I2C communication
D6F-PH0025AD1 D6F-PH0025AD1-1
D6F-PH0505AD3 D6F-PH0505AD3-1
D6F-PH5050AD3 D6F-PH5050AD3-1
0x6C
110_1100
Table 3.
I2C slave address is expressed as below. (Example of 0x6C)
Bit 7 Bit 6 Bit 5
1 0
Digital
Processing
I2C
Configuration
Register
A/D converter
D6F-PH0025AD1-2
D6F-PH0505AD3-2
D6F-PH5050AD3-2
I2C
0x6D
110_1101
Max. 400k Hz
Serial Clock
Data Signal
Bit 4 Bit 3 Bit 2
1 1 0
Table4. Internal Register Map
Address Register name
D040h SENS_CTRL
D046h FLAGS
D049h INT_CTRL
D051h COMP_DATA1_H
D052h COMP_DATA1_L
D061h TMP_H
D062h TMP_L
D065h REF_FLOW1_H
D066h REF_FLOW1_L
D067h THRESH_FLOW1_H
D068h THRESH_FLOW1_L
D6F-PH MEMS Differential pressure Sensor User's Manual (A288)
D6F-PH0025AD1-3
D6F-PH0505AD3-3
D6F-PH5050AD3-3
0x6E
110_1110
Bit 1 Bit 0
R/W
0 1/0
Descriptions
Sensor Control
Register
Flag Register
CRC Calculation
Control
Compensated Flow
rate Register
Internal Temperature
Register
Sensor Reference
Flow Register
Sensor Threshold
Flow Register
0x6F
110_1111