PCA9674AD NXP [NXP Semiconductors], PCA9674AD Datasheet - Page 3
![no-image](/images/no-image-200.jpg)
PCA9674AD
Manufacturer Part Number
PCA9674AD
Description
Remote 8-bit I/O expander for Fm+ I2C-bus with interrupt
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.PCA9674AD.pdf
(32 pages)
- Current page: 3 of 32
- Download datasheet (186Kb)
NXP Semiconductors
5. Block diagram
PCA9674_PCA9674A_5
Product data sheet
Fig 1.
Fig 2.
SDA
AD0
AD1
AD2
SCL
V
V
data from Shift Register
INT
DD
SS
data to Shift Register
Block diagram of PCA9674/74A
Simplified schematic diagram of P0 to P7
power-on reset
PCA9674
PCA9674A
write pulse
read pulse
FILTER
INPUT
POWER-ON
RESET
Rev. 05 — 15 June 2009
INTERRUPT
Remote 8-bit I/O expander for Fm+ I
LOGIC
CONTROL
D
CI
I
2
C-BUS
FF
S
Q
D
CI
REGISTER
FF
write pulse
read pulse
S
SHIFT
Q
I
trt(pu)
LP FILTER
8 BITS
100 A
PCA9674/74A
I
I
OH
OL
PORT
I/O
002aac109
002aac108
2
C-bus with interrupt
© NXP B.V. 2009. All rights reserved.
V
P0 to P7
V
to interrupt logic
DD
SS
P0 to P7
3 of 32
Related parts for PCA9674AD
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![LPC2420_60](/images/manufacturer_photos/0/4/487/nxp_semiconductors_tmb.jpg)
Part Number:
Description:
NXP Semiconductors designed the LPC2420/2460 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
Manufacturer:
NXP Semiconductors
Datasheet:
![LPC2458](/photos/41/52/415299/sot570-3_3d_tmb.gif)
Part Number:
Description:
NXP Semiconductors designed the LPC2458 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
Manufacturer:
NXP Semiconductors
Datasheet:
![LPC2468](/images/manufacturer_photos/0/4/487/nxp_semiconductors_tmb.jpg)
Part Number:
Description:
NXP Semiconductors designed the LPC2468 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
Manufacturer:
NXP Semiconductors
Datasheet:
![LPC2470](/images/manufacturer_photos/0/4/487/nxp_semiconductors_tmb.jpg)
Part Number:
Description:
NXP Semiconductors designed the LPC2470 microcontroller, powered by theARM7TDMI-S core, to be a highly integrated microcontroller for a wide range ofapplications that require advanced communications and high quality graphic displays
Manufacturer:
NXP Semiconductors
Datasheet:
![LPC2478](/images/manufacturer_photos/0/4/487/nxp_semiconductors_tmb.jpg)
Part Number:
Description:
NXP Semiconductors designed the LPC2478 microcontroller, powered by theARM7TDMI-S core, to be a highly integrated microcontroller for a wide range ofapplications that require advanced communications and high quality graphic displays
Manufacturer:
NXP Semiconductors
Datasheet:
![LH75401_LH75411_N](/photos/41/52/415297/sot486-1_3d_tmb.gif)
Part Number:
Description:
The NXP BlueStreak LH75401/LH75411 family consists of two low-cost 16/32-bit System-on-Chip (SoC) devices
Manufacturer:
NXP Semiconductors
Datasheet:
![LPC3130_3131](/photos/41/52/415299/sot570-3_3d_tmb.gif)
Part Number:
Description:
The NXP LPC3130/3131 combine an 180 MHz ARM926EJ-S CPU core, high-speed USB2
Manufacturer:
NXP Semiconductors
Datasheet:
![LPC3141FET180](/photos/41/52/415299/sot570-3_3d_tmb.gif)
Part Number:
Description:
The NXP LPC3141 combine a 270 MHz ARM926EJ-S CPU core, High-speed USB 2
Manufacturer:
NXP Semiconductors
![LPC3143FET180](/photos/41/52/415299/sot570-3_3d_tmb.gif)
Part Number:
Description:
The NXP LPC3143 combine a 270 MHz ARM926EJ-S CPU core, High-speed USB 2
Manufacturer:
NXP Semiconductors
![LPC3152FET208](/photos/41/53/415307/sot930-1_3d_tmb.gif)
Part Number:
Description:
The NXP LPC3152 combines an 180 MHz ARM926EJ-S CPU core, High-speed USB 2
Manufacturer:
NXP Semiconductors
![LPC3154FET208](/photos/41/53/415307/sot930-1_3d_tmb.gif)
Part Number:
Description:
The NXP LPC3154 combines an 180 MHz ARM926EJ-S CPU core, High-speed USB 2
Manufacturer:
NXP Semiconductors
![BUK714R1-40BT](/photos/41/53/415317/sot426_3d_tmb.gif)
Part Number:
Description:
Standard level N-channel enhancement mode Field-Effect Transistor (FET) in a plastic package using NXP High-Performance Automotive (HPA) TrenchMOS technology
Manufacturer:
NXP Semiconductors
Datasheet:
![BUK7210-55B](/photos/41/50/415037/sot428_3d_tmb.gif)
Part Number:
Description:
Standard level N-channel enhancement mode Field-Effect Transistor (FET) in a plastic package using NXP High-Performance Automotive (HPA) TrenchMOS technology
Manufacturer:
NXP Semiconductors
Datasheet:
![BUK754R0-55B](/photos/41/53/415315/sot078a_3d_tmb.gif)
Part Number:
Description:
Standard level N-channel enhancement mode Field-Effect Transistor (FET) in a plastic package using NXP High-Performance Automotive (HPA) TrenchMOS technology
Manufacturer:
NXP Semiconductors
Datasheet:
![BUK764R0-55B](/photos/41/50/415039/sot404_3d_tmb.gif)
Part Number:
Description:
Standard level N-channel enhancement mode Field-Effect Transistor (FET) in a plastic package using NXP High-Performance Automotive (HPA) TrenchMOS technology
Manufacturer:
NXP Semiconductors
Datasheet: