OM6277,598 NXP Semiconductors, OM6277,598 Datasheet - Page 21

• 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

extern void I2C_WriteRepRead(I2C_MESSAGE *msg1, I2C_MESSAGE *msg2);
extern void I2C_Read(I2C_MESSAGE *msg);
extern void I2C_ReadRepRead(I2C_MESSAGE *msg1, I2C_MESSAGE *msg2);
extern void I2C_ReadRepWrite(I2C_MESSAGE *msg1, I2C_MESSAGE *msg2);
extern void Blinker_Up_Down(void);
extern void LV51_LPC932(void);
extern void ReadEEprom(short int MinEEPtr, short int MaxEEPtr, int Operation_EEprom, int Operation_Function);
extern void Preset_Patterns_PCA9532(void);
extern void I2C_Address_Search(void);
extern void Init_Slaves(void);
extern void Init_LPC932(void);
extern unsigned char Search_Routine(unsigned char min, unsigned char max);
extern void GPIO_Interrupt_Handler(void);
extern void InsertDelay(unsigned char delayTime);
static sbit LED0
static sbit LED1
static sbit LED2
static sbit LED3
static sbit PCA9554_Int = P3^2;
sbit PCA9564_Reset
Mainloop.c
//*************************************************************************
//
//
//
//
//
//
// File Name:
// Created:
// Modified:
// Revision:
//
//*************************************************************************
#include <REG51RX.H>
#include "i2cexprt.h"
#include "PCA9564sys.h"
#include "I2C_Routines.h"
idata BYTE
idata BYTE
idata BYTE
idata BYTE
idata I2C_MESSAGE Message1;
idata I2C_MESSAGE Message2;
idata I2C_MESSAGE Message3;
idata I2C_MESSAGE Message4;
static short int ProgramCounter = 0;
//****************************************************************************
// Initialization Functions at power up, Reset or program change
//****************************************************************************
static void Init_PCA9564(void)
{
}
static void Init_Slaves(void)
{
PCA9564_Reset = 1;
PCA9564_Reset = 0;
InsertDelay(1);
PCA9564_Reset = 1;
AUXR = 2;
I2C_InitializeMaster(0x00);
Message1.address
Message1.buf
Message1.nrBytes
Buffer1[0]
Buffer1[1]
Buffer1[2]
Buffer1[3]
Buffer1[4]
Buffer1[32];
Buffer2[32];
Buffer3[16];
Buffer4[16];
COPYRIGHT (c)
mainloop.c
June 2, 2003
November 07, 2003
1.00
P H I L I P S
= PCA9531_WR;
= Buffer1;
= 7;
= 0x11;
= 0x80;
= 0x80;
= 0x80;
= 0x80;
--
= P2^2;
= P2^3;
= P2^4;
= P2^5;
= P3^4;
ALL RIGHTS RESERVED
2003 BY PHILIPS SEMICONDUCTORS
P R O P R I E T A R Y
// LD[9:12] mapped with LV51's P2[2:5]
// Interrupt PCA9554 mapped with LV51's P3[2]
// Reset PCA9564 mapped with LV51's P3[4]
// PCA9564 reset time = 1 ms
// External memory space
// 330 kHz
// autoincrement + register 1
// default prescaler pwm0
// default duty cycle for pwm0
// default prescaler pwm1
// default duty cycle for pwm1
--
21