Datasheet
PCA9672 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 3 — 27 May 2013 32 of 36
NXP Semiconductors
PCA9672
Remote 8-bit I/O expander for Fm+ I
2
C-bus with interrupt and reset
19. Abbreviations
20. Revision history
Table 12. Abbreviations
Acronym Description
CDM Charged Device Model
CMOS Complementary Metal Oxide Semiconductor
ESD ElectroStatic Discharge
GPIO General Purpose Input/Output
HBM Human Body Model
LED Light Emitting Diode
IC Integrated Circuit
I
2
C-bus Inter IC bus
ID Identification
LSB Least Significant Bit
MM Machine Model
MSB Most Significant Bit
PLC Programmable Logic Controller
PWM Pulse Width Modulation
RAID Redundant Array of Independent Disks
Table 13. Revision history
Document ID Release date Data sheet status Change notice Supersedes
PCA9672 v.3 20130527 Product data sheet - PCA9672 v.2
Modifications:
• Section 1 “General description” re-written
• Section 2 “Features and benefits” re-written
• Section 3 “Applications”:
– added (new) third bullet item “Keypads”
– added (new) eighth bullet item “Mobile devices”
• Added Section 4.1 “Ordering options”
• Figure 1 “Block diagram of PCA9672” modified: switched positions of blocks “INTERRUPT LOGIC”
and “LP FILTER”
• Figure 2 “Simplified schematic diagram of P0 to P7” modified: removed diode between “V
DD
” and
“P0 to P7” signals
• Section 7.1 “Device address”:
– first paragraph re-written
– fourth paragraph: inserted phrase “or the newer PCA8574”
• Section 7.2.1 “Software Reset”: added paragraph following Figure 9
