OM6277,598 NXP Semiconductors, OM6277,598 Datasheet - Page 31

• 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 3 : P89LV51 <--> PCA9564 <--> P89LPC932
// Through Pushbuttons, Byte to be sent to LPC932 can be programmed
// Once done, a pushbutton sends the LPC932 I2C address + programmed byte
//****************************************************************************
static bdata BYTE LS0 = 0;
sbit LS0_0 = LS0^0;
sbit LS0_1 = LS0^1;
sbit LS0_2 = LS0^2;
sbit LS0_3 = LS0^3;
sbit LS0_4 = LS0^4;
sbit LS0_5 = LS0^5;
sbit LS0_6 = LS0^6;
sbit LS0_7 = LS0^7;
static bdata BYTE LS1 = 0;
sbit LS1_0 = LS1^0;
sbit LS1_1 = LS1^1;
sbit LS1_2 = LS1^2;
sbit LS1_3 = LS1^3;
sbit LS1_4 = LS1^4;
sbit LS1_5 = LS1^5;
sbit LS1_6 = LS1^6;
sbit LS1_7 = LS1^7;
static bdata BYTE DataByteLPC932 = 0xFF;
sbit DataByteLPC932_0 = DataByteLPC932^0;
sbit DataByteLPC932_1 = DataByteLPC932^1;
sbit DataByteLPC932_2 = DataByteLPC932^2;
sbit DataByteLPC932_3 = DataByteLPC932^3;
sbit DataByteLPC932_4 = DataByteLPC932^4;
sbit DataByteLPC932_5 = DataByteLPC932^5;
sbit DataByteLPC932_6 = DataByteLPC932^6;
sbit DataByteLPC932_7 = DataByteLPC932^7;
void LV51_LPC932(void)
{
I2C_Write(&Message1);
Buffer4[0] = 0x00;
Buffer4[1] = 0xFF;
I2C_Write(&Message4);
int BitCounter = 1;
int ValueToBeChanged = 0;
Init_LPC932();
Message1.address = PCA9531_WR;
Message1.buf
Message1.nrBytes = 7;
Buffer1[0]
Buffer1[1]
Buffer1[2]
Buffer1[3]
Buffer1[4]
Buffer1[5]
Buffer1[6]
I2C_Write(&Message1);
LED2 = 1;
LED3 = 1;
DataByteLPC932 = 0xFF;
LS0 = 0;
LS1 = 0;
while (Buffer3[0]!=0x7F)
{
GPIO_Interrupt_Handler();
if (Buffer3[0]!=0xFF)
{
switch (Buffer3[0])
{
case 0x7F : break;
case 0xF7 : BitCounter = 1;
= Buffer1;
= 0x11;
= 0x80;
= 0x80;
= 0x80;
= 0x80;
= 0x00;
= 0x00;
LS0 = 0x00;
LS1 = 0x00;
Message1.nrBytes = 3;
Buffer1[0] = 0x15;
Buffer1[1] = 0x00;
Buffer1[2] = 0x00;
// Initialization of LPC932 (narrowed search address + LEDs off
// Initialization of PCA9531
// autoincrement + register 1
// default prescaler pwm0
// default duty cycle for pwm0
// default prescaler pwm1
// default duty cycle for pwm1
// LD1 to LD4 off
// LD5 to LD8 off
// LD[1:8] off
// LD11 is
// LD12 is
// Main loop as long as S8 (exit Program) has not been pushed
// Check if an action on pushbutton happened
// execute the command associated with the action on pushbutton
// Exit Program 3 - S8 pushed
// Reset programming (all LEDs are off) - S4 pushed
// subaddress = 0x05
// LS0 = 0x00 - All LEDs off
// LS1 = 0x00 - All LEDs off
// send new data to PCA9531 (3 bytes)
// Command to program
// LPC932 all LEDs off when leaving Program 3
31
off
off
LEDs