AM8530H AMD [Advanced Micro Devices], AM8530H Datasheet - Page 185

• Manufacturer Part Number: AM8530H
• Description: Serial Communications Controller
• Manufacturer: AMD [Advanced Micro Devices]

AMD
temp = inportb(port);
dmainit()
7–36
unsigned char temp;
while(i<arraysize)
}
/*THIS ROUTINE INITIALIZES THE 9517 DMA CONTROLLER TO TRANSMIT
{
array[0]=0x9
array[1]=0xC0;
array[2]=0x4
array[3]=0x20;
array[4]=0x1;
array[5]=0x40;
array[6]=0x3;
array[7]=0xFC;
array[8]=0x5;
array[9]=0x63;
array[10]=0x6;
array[11]=0x02;
array[12]=0x7;
array[13]=0x7E;
array[14]=0x9;
array[15]=0x02;
array[16]=0xA;
array[17]=0x00;
array[18]=0xB;
array[19]=0x08;
array[20]=0xE;
array[21]=0x00;
array[22]=0x3;
array[23]=0xFD;
array[24]=0x5;
array[25]=0x6B;
array[26]=0x00;
array[27]=0x80;
array[28]=0x1;
array[29]=0xC0;
array[30]=0xF;
array[31]=0x08;
array[32]=0x0;
array[33]=0x10;
array[34]=0x0;
array[35]=0x10;
array[36]=0x1;
array[37]=0xC9;
array[38]=0x9;
array[39]=0x0A
{
outportb(port, array[i++]);
}
LENGTH OF FILE*/
/*BEGIN INITIALIZATION ROUTINE*/
/*hardware reset the 8530*/
/*x1 clock, SDLC mode, parity disable*/
/*choose DMA request on transmit*/
/*Rx 8bits/char, autoenabled, hunt mode*/
/*Tx 8bits/char, RTS enabled, TxCRC
enabled*/
/*address for this device is 02*/
/*SDLC flag pattern 01111110*/
/*No vector is returned*/
/*Send CRC and Flag on underrun, do not
abort*/
/*rec. clock=RTxC pin, Transmit clk=TRxC
pin*/
/*Rx enable*/
/*Tx enable*/
/*reset TxCRC*/
/*DMA request enabled*/
/*disable all interrupts except DCD
input*/
/*reset external/status interrupt twice*/
/*Rx interrupt on 1st char. or special
condition*/
/*set master interrupt enable to 1*/
/*temporary storage for transmit/receive
character
/*read from RR0*/
SCC Application Notes