參數(shù)資料
型號: MC68MH360ZQ33L
廠商: Freescale Semiconductor
文件頁數(shù): 8/158頁
文件大小: 0K
描述: IC MPU QUICC 33MHZ 357-PBGA
標準包裝: 44
系列: M683xx
處理器類型: M683xx 32-位
速度: 33MHz
電壓: 5V
安裝類型: 表面貼裝
封裝/外殼: 357-BBGA
供應(yīng)商設(shè)備封裝: 357-PBGA(25x25)
包裝: 托盤
Chapter 6. QMC Initialization
poem[3] = "Couldn't put Humpty together again\n\r";
poem[4] = "";
poem[5] = "";
linecntr = 0;
/* init line counter */
for (linecntr = 0; linecntr < 4; linecntr++)
{
chbd[linecntr].xmitbd0.txbdptr = poem[linecntr];/*
init
xmit
pointer */
chbd[linecntr].xmitbd0.txbdcnt = strlen(poem[linecntr]) + 1;/*
init xmit cnt */
chbd[linecntr].xmitbd0.txbdsac.R = 1;/* set xmit in BD */
}
for (v1 = 0; v1 < 3; v1++)
{
pdpr->ch[v1].CHAMR.MODE = 1;
/* select HDLC */
pdpr->ch[v1].CHAMR.IDLM = 0;
/* no idles between frames */
pdpr->ch[v1].CHAMR.ENT = 1;
/* enable channel xmit */
pdpr->ch[v1].CHAMR.CRC = 1;
/* select 32-bit CRC */
pdpr->ch[v1].CHAMR.NOF = 7;
/* 7 flags between frames */
pdpr->ch[v1].CHAMR.POL = 1;
/* enable polling by RISC */
}
/* SCCE1 is cleared from reset */
pdpr->SCCM1 = 0xF;
/* enable all intrpts */
pdpr->CIMR.SCC1 = 1;
/* SCC1 interrupts enabled */
pdpr->GSMR_L1.ENR = 1;
/* enable receiver */
pdpr->GSMR_L1.ENT = 1;
/* enable transmit */
while (pdpr->GSMR_L1.ENR == 1 | pdpr->GSMR_L1.ENT == 1)
asm (" stop #$2000");
/* stop for next interrupt */
}
#pragma interrupt()
/* make function an exception sr */
void SCC1esr()
/* SCC1 exception service rtn */
{
short er;
/* event register scratchpad loc */
asm(" move.w #$2300,sr");
/* decrement interrupt mask level */
er = pdpr->SCCE1;
/* init event register scratchpad */
pdpr->SCCE1 = er;
/* clear event register */
if ((er & 8) == 8)
/* if interrupt table overflow */
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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