OM6277,598 NXP Semiconductors, OM6277,598 Datasheet - Page 22

• 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

}
//****************************************************************************
// Delay time in milliseconds
// Insert a wait into the program flow
// Use Timer 1
// Do not use an interrupt
// Oscillator running at 11.0592 MHz
// 6 clock cycles per clock tick
// Therefore, we need 1843 cycles for 1msec
//****************************************************************************
void InsertDelay(unsigned char delayTime)
{
}
//*************************************************************************************
// Toggles pushbutton S8 in order to determine which
//*************************************************************************************
static void Program_Selection(void)
{
Buffer1[5]
Buffer1[6]
I2C_Write(&Message1);
Message2.address
Message2.buf
Message2.nrBytes
Buffer2[0]
Message3.address
Message3.buf
Message3.nrBytes
unsigned char i;
TMOD = (TMOD & 0x0F) | 0x01;
TR1 = 0;
for (i=0;i<delayTime;i++)
{
}
if (Buffer3[0] == 0x7F)
{
}
switch (ProgramCounter)
{
TF1 = 0;
TH1 = 0xF8;
TL1 = 0xCD;
TR1 = 1;
while(TF1==0);
if (ProgramCounter < 4)
{
}
else
{
}
case 1 : LED0 = 1;
case 2 : LED0 = 0;
case 3 : LED0 = 1;
case 4 : LED0 = 0;
ProgramCounter++;
ProgramCounter = 1;
LED1 = 1;
Buffer3[0]
Blinker_Up_Down();
break;
LED1 = 1;
Buffer3[0] = 0xFF;
Preset_Patterns_PCA9531();
break;
LED1 = 0;
Buffer3[0]
LV51_LPC932();
break;
LED1 = 0;
Buffer3[0] = 0xFF;
I2C_Address_Search();
break;
= 0x00;
= 0x00;
= PCA9554_WR;
= Buffer2;
= 1;
= 0;
= PCA9554_RD;
= Buffer3;
= 1;
= 0xFF;
= 0xFF;
// LD1 to LD4 off
// LD5 to LD8 off
// LD[1:8] off
// subaddress = 0
// read one byte
// 16-bit timer
// set timer1 to 1843
// since it's an up-timer, use
// Start timer
// wait until Timer1 overflows
// Push on S8 detected
// Program selection incremented
// Program selection back to 1
// LD9
// LD10 off
// Blinker PSC and PWM Up/down program is selected
// LD9
// LD10 off
// PCA9531 preset patterns program selected
// LD9
// LD10 on
// LPC932 LED programming program is selected
// LD9
// LD10 on
// LPC932 I2C address search program selected
program the user wants to run
22
off
on
off
on
(65536-1843) = 63693 = F8CD