Datasheet ADT7411 (Analog Devices) - 31

Data Sheet ADT7411 30ns MIN CS A B C (START HIGH) SPI LOCKED ON SPI FRAMING THIRD RISING EDGE EDGE 30ns MIN CS A B C (START LOW)
2
SPI LOCKED ON SPI FRAMING
03 2-
THIRD RISING EDGE EDGE
88 02 Figure 33. Serial Interface—Selecting and Locking SPI Protocol
1 9 1 9 SCL 1 0 0 1 A2 A1 A0 R/W SDA P7 P6 P5 P4 P3 P2 P1 P0 START BY ACK. BY ACK. BY STOP BY MASTER ADT7411 ADT7411 MASTER
33
FRAME 1 FRAME 2
0 2-
SERIAL BUS ADDRESS BYTE ADDRESS POINTER REGISTER BYTE
88 02 Figure 34. I2C—Writing to the Address Pointer Register to Select a Register for a Subsequent Read Operation
1 9 1 9 SCL SDA 1 0 0 1 A2 A1 A0 R/W P7 P6 P5 P4 P3 P2 P1 P0 START BY ACK. BY ACK. BY MASTER ADT7411 ADT7411 FRAME 1 FRAME 2 SERIAL BUS ADDRESS BYTE ADDRESS POINTER REGISTER BYTE 1 9 SCL (CONTINUED) SDA (CONTINUED) D7 D6 D5 D4 D3 D2 D1 D0 ACK. BY STOP BY ADT7411 MASTER
34
FRAME 3
0 2-
DATA BYTE
88 02 Figure 35. I2C—Writing to the Address Pointer Register Followed by a Single Byte of Data to the Selected Register
1 9 1 9 SCL SDA 1 0 0 1 A2 A1 A0 R/W D7 D6 D5 D4 D3 D2 D1 D0 ACK. BY START BY NO ACK. BY STOP BY ADT7411 MASTER MASTER MASTER
5
FRAME 1 FRAME 2
03 2-
SERIAL BUS ADDRESS BYTE SINGLE DATA BYTE FROM ADT7411
88 02 Figure 36. I2C—Reading a Single Byte of Data from a Selected Register Rev. C | Page 31 of 36 Document Outline Features Applications Pin Configuration General Description Revision History Specifications Functional Block Diagram Absolute Maximum Ratings ESD Caution Pin Configuration and Functional Descriptions Terminology Typical Performance Characteristics Theory of Operation Power-Up Calibration Conversion Speed Functional Description Analog Inputs Single-Ended Inputs Converter Operation ADC Transfer Function Analog Input ESD Protection AIN Interrupts Functional Description—Measurement Temperature Sensor VDD Monitoring On-Chip Reference Round Robin Measurement Single-Channel Measurement Temperature Measurement Method Internal Temperature Measurement External Temperature Measurement Layout Considerations Temperature Value Format Interrupts ADT7411 Registers Interrupt Status 1 Register (Read-Only) [Address = 00h] Interrupt Status 2 Register (Read-Only) [Address = 01h] Internal Temperature Value/VDD Value Register LSBs (Read-Only) [Address = 03h] External Temperature Value and AIN1 to AIN4 Register LSBs (Read-Only) [Address = 04h] AIN5 to AIN8 Registers LSBs (Read-Only) [Address = 05h] VDD Value Register MSBs (Read-Only) [Address = 06h] Internal Temperature Value Register MSBs (Read-Only) [Address = 07h] External Temperature Value or AIN1 Register MSBs (Read-Only) [Address = 08h] AIN2 Register MSBs (Read) [Address = 09h] AIN3 Register MSBs (Read) [Address = 0Ah] AIN4 Register MSBs (Read) [Address = 0Bh] AIN5 Register MSBs (Read) [Address = 0Ch] AIN6 Register MSBs (Read) [Address = 0Dh] AIN7 Register MSBs (Read) [Address = 0Eh] AIN8 Register MSBs (Read) [Address = 0Fh] Control Configuration 1 Register (Read/Write) [Address = 18h] Control Configuration 2 Register (Read/Write) [Address = 19h] Control Configuration 3 Register (Read/Write) [Address = 1Ah] Interrupt Mask 1 Register (Read/Write) [Address = 1Dh] Interrupt Mask 2 Register (Read/Write) [Address = 1Eh] Internal Temperature Offset Register (Read/Write) [Address = 1Fh] External Temperature Offset Register (Read/Write) [Address = 20h] VDD VHIGH Limit Register (Read/Write) [Address = 23h] VDD VLOW Limit Register (Read/Write) [Address = 24h] Internal THIGH Limit Register (Read/Write) [Address = 25h] Internal TLOW Limit Register (Read/Write) [Address = 26h] External THIGH/AIN1 VHIGH Limit Register (Read/Write) [Address = 27h] External TLOW/AIN1 VLOW Limit Register (Read/Write) [Address = 28h] AIN2 VHIGH Limit Register (Read/Write) [Address = 2Bh] AIN2 VLOW Limit Register (Read/Write) [Address = 2Ch] AIN3 VHIGH Limit Register (Read/Write) [Address = 2Dh] AIN3 VLOW Limit Register (Read/Write) [Address = 2Eh] AIN4 VHIGH Limit Register (Read/Write) [Address = 2Fh] AIN4 VLOW Limit Register (Read/Write) [Address = 30h] AIN5 VHIGH Limit Register (Read/Write) [Address = 31h] AIN5 VLOW Limit Register (Read/Write) [Address = 32h] AIN6 VHIGH Limit Register (Read/Write) [Address = 33h] AIN6 VLOW Limit Register (Read/Write) [Address = 34h] AIN7 VHIGH Limit Register (Read/Write) [Address = 35h] AIN7 VLOW Limit Register (Read/Write) [Address = 36h] AIN8 VHIGH Limit Register (Read/Write) [Address = 37h] AIN8 VLOW Limit Register (Read/Write) [Address = 38h] Device ID Register (Read-Only) [Address = 4Dh] Manufacturer’s ID Register (Read-Only) [Address = 4Eh] Silicon Revision Register (Read-Only) [Address = 4Fh] SPI Lock Status Register (Read-Only) [Address = 7Fh] Serial Interface Serial Interface Selection I2C Serial Interface Writing to the ADT7411 Writing to the Address Pointer Register for a Subsequent Read Writing Data to a Register Reading Data from the ADT7411 SPI Serial Interface Write Operation Read Operation SMBus/SPI INT/INTB SMBus Alert Response Outline Dimensions Ordering Guide