OM6277,598 NXP Semiconductors, OM6277,598 Datasheet - Page 17

• Manufacturer Part Number: OM6277,598
• Description: DEMO BOARD FOR PCA9564
• Manufacturer: NXP Semiconductors

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

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