參數(shù)資料
型號(hào): ISP1362EE,551
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PBGA64
封裝: 6 X 6 MM, 0.80 HEIGHT, PLASTIC, MO-195, SOT-543-1, TFBGA-64
文件頁數(shù): 69/152頁
文件大?。?/td> 677K
代理商: ISP1362EE,551
ISP1362_5
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 05 — 8 May 2007
23 of 152
NXP Semiconductors
ISP1362
Single-chip USB OTG Controller
result = result_h;
result = result<<16;
result = result+result_l;
return(result);
}
void write_reg32(unsigned char reg_no, unsigned long data2write)
{
unsigned int low_word;
unsigned int hi_word;
low_word=data2write&0x0000FFFF;
hi_word=(data2write&0xFFFF0000)>>16;
outport(hc_com,reg_no|0x80); // Command phase
outport(hc_data,low_word); // Data phase
outport(hc_data,hi_word); // Data phase
}
unsigned int read_reg16(unsigned char reg_no)
{
unsigned int result;
outport(hc_com, reg_no); // Command phase
result = inport(hc_data); // Data phase
return(result);
}
void write_reg16(unsigned char reg_no, unsigned int data2write)
{
outport(hc_com,reg_no|0x80); // Command phase
outport(hc_data,data2write); // Data phase
}
8.5 PIO access to the buffer memory
The buffer memory in the ISP1362 can be addressed using either the direct addressing
method or the indirect addressing method.
8.5.1 PIO access to the buffer memory by using direct addressing
This method uses the HcDirectAddressLength register to specify two parameters required
to randomly access the ISP1362 buffer memory (total of 4096 bytes). These two
parameters are:
Starting address — location to start writing or reading
Data length — number of bytes to write or read.
The following is a sample code to set the HcDirectAddressLength register:
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