AM8530H AMD [Advanced Micro Devices], AM8530H Datasheet - Page 187

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

AMD
}
CHRONOUS TRANSMIT*/
asccinit()
atrans()
to check Tx buffer empty bit*/
7–38
{
unsigned long int count;
count = 0;
while(count<35550)
/*BEGIN ASYNCHRONOUS ROUTINE*/
temp = inportb(aport);/*read from RR0 to set up state machine*/
while(i<arraysiz)
}
{
unsigned int temp, tmp, tx;
unsigned int i, count;
temp = 0;
num = num + 1;
for (i=0; i<num; i++) /*process the loop until all chars. are
{
count++;
}
{
unsigned char array[arraysiz], temp;
unsigned int i=0;
array[0]=0x09;
array[1]=0xC0;
array[2]=0x4;
array[3]=0x44;
array[4]=0x3;
array[5]=0xC0;
array[6]=0x5;
array[7]=0x60;
array[8]=0xB;
array[9]=0x56;
array[10]=0xC;
array[11]=0x06;
array[12]=0xD;
array[13]=0x00;
array[14]=0xE;
array[15]=0x07;
array[16]=0x5;
array[17]=0x68;
{
outportb)aport, array[i++]);
}
/*TRANSMIT FILE ASYNCHRONOUSLY AT 19.2 kBaud*/
tx = 0;
while(tx==0)
/*THIS ROUTINE INITIALIZES THE 8530 FOR ASYN-
{
/*hardware reset*/
/*X16 clock, 1 stop bits*/
/*8 bits/char.*/
/*8 bits/char.*/
/*RxC=BR gen, TxC=BR, TRxCout=BR*/
/*set BR gen for 19.2 kBaud*/
/*set DTR/REQ, enable BR gen, PCLK = BR
source*/
/*Enable transmitter*/
transmitted*/
{
temp = inportb(aport);
tx = temp & 0x04;
}
SCC Application Notes
/*load RR0