PCT2075_1307 Datasheet, PDF (18/37 Pages) NXP Semiconductors – I2C-bus Fm+, 1 degree C accuracy, digital temperature sensor and thermal watchdog

NXP Semiconductors
PCT2075
I²C-bus Fm+ digital temperature sensor and thermal watchdog
123456789123456789
SCL
(next)
SDA S B6 B5 B4 B3 B2 B1 B0 W A 0 0 0 0 0 0 P1 P0 A (next)
device address⁽¹⁾
START
write
device
acknowledge
pointer byte
device
acknowledge
SCL (cont.)
123456789123456789
SDA (cont.) D7 D6 D5 D4 D3 D2 D1 D0 A D7 D6 D5 D4 D3 D2 D1 D0 A P
MSByte data
device
acknowledge
LSByte data
device
acknowledge
STOP
002aah780
(1) See Table 5 or Table 6 for device address.
Fig 10. Write Tos or Thyst register (2-byte data)
123456789 123456789 0
SCL
(next)
SDA S B6 B5 B4 B3 B2 B1 B0 W A 0 0 0 0 0 0 P1 P0 A RS (next)
device address⁽¹⁾
pointer byte
START
write
device
RE-START
device
acknowledge
acknowledge
123456789 123456789 123456789
SCL (cont)
SDA (cont) B6 B5 B4 B3 B2 B1 B0 R A D7 D6 D5 D4 D3 D2 D1 D0 A' D7 D6 D5 D4 D3 D2 D1 D0 NA P
device address⁽¹⁾
read
device
acknowledge
MSByte from device
master
acknowledge
LSByte from device
master not
acknowledged
STOP
002aah781
(1) See Table 5 or Table 6 for device address.
Fig 11. Read Temp, Tos or Thyst register including pointer byte (2-byte data)
SCL
SDA S
123456789 123456789 123456789
B6 B5 B4 B3 B2 B1 B0 R A D7 D6 D5 D4 D3 D2 D1 D0 A' D7 D6 D5 D4 D3 D2 D1 D0 NA P
device address⁽¹⁾
START
read
device
acknowledge
MSByte from device
master
acknowledge
LSByte from device
master not
acknowledged
STOP
002aah782
(1) See Table 5 or Table 6 for device address.
Fig 12. Read Temp, Tos or Thyst register with preset pointer (2-byte data)
PCT2075
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 19 July 2013
© NXP B.V. 2013. All rights reserved.
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