参数资料
型号: X9525V20I
厂商: INTERSIL CORP
元件分类: 数字电位计
英文描述: Fiber Channel/Gigabit Etherner Laser Diode Control for Fiber Optic Modules
中文描述: DUAL 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO20
封装: PLASTIC, TSSOP-20
文件页数: 23/26页
文件大小: 578K
代理商: X9525V20I
23
FN8210.0
March 10, 2005
APPENDIX 2
DCP1 (100 Tap) tap position to Data Byte translation algorithm example. (Example 2)
unsigned DCP100_TAP_Position(int tap_pos)
{
/* optional range checking
*/ if (tap_pos < 0) return ((unsigned)0); /* set to min val */
else if (tap_pos >99) return ((unsigned) 96); /* set to max val */
/* 100 Tap DCP encoding formula */
if (tap_pos > 74)
return ((unsigned) (195 - tap_pos));
else if (tap_pos > 49)
return ((unsigned) (14 + tap_pos));
else if (tap_pos > 24)
return ((unsigned) (81 - tap_pos));
else return (tap_pos);
}
X9525
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