X9521V20I Intersil, X9521V20I Datasheet - Page 23

• Manufacturer Part Number: X9521V20I
• Description: IC LASR CTRLR 2CHAN 5.5V 20TSSOP
• Manufacturer: Intersil
• Type: Laser Diode Controller (Fiber Optic)r

Specifications of X9521V20I

• Number Of Channels: 2
• Voltage - Supply: 2.7 V ~ 5.5 V
• Current - Supply: 1.5mA
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-TSSOP
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: X9521V20I-A; X9521V20I-A

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);
/* 100 Tap DCP encoding formula */
if (tap_pos > 74)
}
else if (tap_pos >99) return ((unsigned) 96);
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);
23
X9521
/* set to max val */
/* set to min val */
September 21, 2010
FN8207.2