OM6277,598 NXP Semiconductors, OM6277,598 Datasheet - Page 43

• 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

PCA9564sys.h
//*************************************************************************
//
//
//
//
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//
// File Name:
// Created:
// Modified:
// Revision:
//
//*************************************************************************
#ifndef __PCA9564SYS_H__
#define __PCA9564SYS_H__
#define MCU_COMMAND 0xFF
#define I2CSTA
#define I2CTO
#define I2CDAT
#define I2CADR
#define I2CCON
// I2CCON = AA + ENSIO + STA + STO + SI + CR2 + CR1 + CR0
#define AA_ENSIO_STA_NOTSTO_NOTSI
#define AA_ENSIO_NOTSTA_STO_NOTSI
#define AA_ENSIO_NOTSTA_NOTSTO_NOTSI 0xC0
#define NOTAA_ENSIO_NOTSTA_NOTSTO_NOTSI 0x40
void PCA9564_Write(unsigned char Reg, unsigned char val);
unsigned char PCA9564_Read(unsigned char Reg);
#endif
PCA9564sys.c
//*************************************************************************
//
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//
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// File Name:
// Created:
// Modified:
// Revision:
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//*************************************************************************
#include <REG51RX.H>
//#include "BasicTyp.h"
#include "PCA9564sys.h"
sbit A0
sbit A1
sbit Reset9564 = P3^4;
// +---------------------------------------------+
// | PCA9564 register commands
// +---------------------------------------------+
void PCA9564_Write(unsigned char Reg, unsigned char val)
{
}
A0 = Reg & 0x01;
A1 = Reg & 0x02;
AUXR = 0x02;
*((unsigned char pdata *)MCU_COMMAND) = val;
AUXR = 0x00;
= P2^0;
= P2^1;
COPYRIGHT (c)
COPYRIGHT (c)
PCA9564sys.h
June 2, 2003
June 4, 2003
1.00
PCA9564sys.C
June 2, 2003
June 10, 2003
1.00
0x00
0x00
0x01
0x02
0x03
P H I L I P S
P H I L I P S
--
--
ALL RIGHTS RESERVED
ALL RIGHTS RESERVED
2003 BY PHILIPS SEMICONDUCTORS
2003 BY PHILIPS SEMICONDUCTORS
// special function register declarations
// dummy address
// PCA9564 Status Register
// PCA9564 Timeout Register
// PCA9564 Data Register
// PCA9564 Address Register
// PCA9564 Control Register
P R O P R I E T A R Y
P R O P R I E T A R Y
// Access external memory, emit/don't emit ALE --> emit when using emulator
// Access internal memory, emit ALE when using emulator
0xE0
0xD0
--
--
// Generate Start
// Generate Stop
// Release bus and Ack + set to slave receiver
// Release bus and NOT Ack
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