OM6277,598 NXP Semiconductors, OM6277,598 Datasheet - Page 17
![DEMO BOARD FOR PCA9564](/photos/9/8/90802/om6277_sml.jpg)
OM6277,598
Manufacturer Part Number
OM6277,598
Description
DEMO BOARD FOR PCA9564
Manufacturer
NXP Semiconductors
Datasheet
1.OM6277598.pdf
(52 pages)
Specifications of OM6277,598
Main Purpose
Interface, I2C Controller
Embedded
Yes, MCU, 8-Bit
Utilized Ic / Part
PCA9564
Primary Attributes
I2C Bus Controller, 1 8-Bit GPIO, 1 8-Bit LED Dimmer
Secondary Attributes
8 Momentary Switches, 23 LEDs
Lead Free Status / RoHS Status
Not applicable / Not applicable
Other names
568-4001
935283226598
935283226598
Program 4: P89LV51RD2–PCA9564–PCA9531–P89LPC932; I
STRT
USED
USED
NOT
NOT
RST
S1
S2
S3
S4
NO
LD11 = OFF, LD12 = OFF
Switch off LED[13:20]:
S – Address+W – 0x00 – 0xFF – P
Scan and reprogram I
S – Address+W – 0xEE – P
PUSHBUTTONS
LD11 = OFF, LD12 = OFF
LD13 to LD20 = OFF
I2C_Address = 0x00
LD1 to LD8 = OFF
S1 pushed?
S2 pushed?
CHGE
USED
USED
USED
YES
2
NOT
NOT
NOT
PRG
NO
C Address:
S5
S6
S7
S8
YES
Figure 9. Program 4 – I
NO
I2C_Address = I2C_Address + 1
Send: S – I2C_Address + W
17
I2C_Address
= 0xFF?
ACK?
2
C address search
NO
2
C address search
YES
YES
LD11 = ON (search successful), LD12 = OFF
LD14 to LD20 display I2C_Address (7 bits)
LD13 = OFF
S – I2C_Address+W – 0x00 – I2C_Address – P
LD12 = ON (search failed), LD11 = OFF
Send:
0xFF – Sr – I2C_Address + R
Read Data from slave device – P
NO
I2C_Address?
Data =
YES