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 8 of 40
NXP Semiconductors
PCA9674; PCA9674A
Remote 8-bit I/O expander for Fm+ I
2
C-bus with interrupt
V
DD
V
DD
V
DD
0100111 - 4Eh 4Fh 27h
V
SS
V
SS
SCL0101000 - 50h 51h 28h
V
SS
V
SS
SDA0101001 - 52h 53h 29h
V
SS
V
DD
SCL0101010 - 54h 55h 2Ah
V
SS
V
DD
SDA0101011 - 56h 57h 2Bh
V
DD
V
SS
SCL0101100 - 58h 59h 2Ch
V
DD
V
SS
SDA0101101 - 5Ah 5Bh 2Dh
V
DD
V
DD
SCL0101110 - 5Ch 5Dh 2Eh
V
DD
V
DD
SDA0101111 - 5Eh 5Fh 2Fh
SCL SCL V
SS
1010000 - A0h A1h 50h
SCL SCL V
DD
1010001 - A2h A3h 51h
SCL SDA V
SS
1010010 - A4h A5h 52h
SCL SDA V
DD
1010011 - A6h A7h 53h
SDA SCL V
SS
1010100 - A8h A9h 54h
SDA SCL V
DD
1010101 - AAh ABh 55h
SDA SDA V
SS
1010110 - ACh ADh 56h
SDA SDA V
DD
1010111 - AEh AFh 57h
SCLSCLSCL1011000 - B0h B1h 58h
SCLSCLSDA1011001 - B2h B3h 59h
SCLSDASCL1011010 - B4h B5h 5Ah
SCLSDASDA1011011 - B6h B7h 5Bh
SDASCLSCL1011100 - B8h B9h 5Ch
SDASCLSDA1011101 - BAh BBh 5Dh
SDASDASCL1011110 - BCh BDh 5Eh
SDASDASDA1011111 - BEh BFh 5Fh
SCL V
SS
V
SS
1100000 - C0h C1h 60h
SCL V
SS
V
DD
1100001 - C2h C3h 61h
SCL V
DD
V
SS
1100010 - C4h C5h 62h
SCL V
DD
V
DD
1100011 - C6h C7h 63h
SDA V
SS
V
SS
1100100 - C8h C9h 64h
SDA V
SS
V
DD
1100101 - CAh CBh 65h
SDA V
DD
V
SS
1100110 - CCh CDh 66h
SDA V
DD
V
DD
1100111 - CEh CFh 67h
SCL V
SS
SCL1110000 - E0h E1h 70h
SCL V
SS
SDA1110001 - E2h E3h 71h
SCL V
DD
SCL1110010 - E4h E5h 72h
SCL V
DD
SDA1110011 - E6h E7h 73h
SDA V
SS
SCL1110100 - E8h E9h 74h
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