Datasheet

PCA9674_PCA9674A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 7 — 30 May 2013 9 of 40
NXP Semiconductors
PCA9674; PCA9674A
Remote 8-bit I/O expander for Fm+ I
2
C-bus with interrupt
SDA V
SS
SDA1110101 - EAh EBh 75h
SDA V
DD
SCL1110110 - ECh EDh 76h
SDA V
DD
SDA1110111 - EEh EFh 77h
Table 5. PCA9674A address map
Pin connectivity Address of PCA9674A Address byte value 7-bit
hexadecimal
address
without R/W
AD2 AD1 AD0 A6 A5 A4 A3 A2 A1 A0 R/W Write Read
V
SS
SCL V
SS
0001000 - 10h 11h 08h
V
SS
SCL V
DD
0001001 - 12h 13h 09h
V
SS
SDA V
SS
0001010 - 14h 15h 0Ah
V
SS
SDA V
DD
0001011 - 16h 17h 0Bh
V
DD
SCL V
SS
0001100 - 18h 19h 0Ch
V
DD
SCL V
DD
0001101 - 1Ah 1Bh 0Dh
V
DD
SDA V
SS
0001110 - 1Ch 1Dh 0Eh
V
DD
SDA V
DD
0001111 - 1Eh 1Fh 0Fh
V
SS
SCLSCL0110000 - 60h 61h 30h
V
SS
SCLSDA0110001 - 62h 63h 31h
V
SS
SDASCL0110010 - 64h 65h 32h
V
SS
SDASDA0110011 - 66h 67h 33h
V
DD
SCLSCL0110100 - 68h 69h 34h
V
DD
SCLSDA0110101 - 6Ah 6Bh 35h
V
DD
SDASCL0110110 - 6Ch 6Dh 36h
V
DD
SDASDA0110111 - 6Eh 6Fh 37h
V
SS
V
SS
V
SS
0111000 - 70h 71h 38h
V
SS
V
SS
V
DD
0111001 - 72h 73h 39h
V
SS
V
DD
V
SS
0111010 - 74h 75h 3Ah
V
SS
V
DD
V
DD
0111011 - 76h 77h 3Bh
V
DD
V
SS
V
SS
0111100 - 78h 79h 3Ch
V
DD
V
SS
V
DD
0111101 - 7Ah 7Bh 3Dh
V
DD
V
DD
V
SS
0111110 - 7Ch 7Dh 3Eh
V
DD
V
DD
V
DD
0111111 - 7Eh 7Fh 3Fh
V
SS
V
SS
SCL1000000 - 80h 81h 40h
V
SS
V
SS
SDA1000001 - 82h 83h 41h
V
SS
V
DD
SCL1000010 - 84h 85h 42h
V
SS
V
DD
SDA1000011 - 86h 87h 43h
V
DD
V
SS
SCL1000100 - 88h 89h 44h
V
DD
V
SS
SDA1000101 - 8Ah 8Bh 45h
Table 4. PCA9674 address map
…continued
Pin connectivity Address of PCA9674 Address byte value 7-bit
hexadecimal
address
without R/W
AD2 AD1 AD0 A6 A5 A4 A3 A2 A1 A0 R/W Write Read