HCTL-2032-SC Avago Technologies US Inc., HCTL-2032-SC Datasheet - Page 19

• Manufacturer Part Number: HCTL-2032-SC
• Description: IC DECODER/COUNTER 32BIT 32-SOIC
• Manufacturer: Avago Technologies US Inc.
• Type: Quadrature Decoder/Counter Interface ICr

Specifications of HCTL-2032-SC

• Package / Case: 32-SOIC (7.5mm Width)
• Applications: Encoder to Microprocessor
• Interface: 8-Bit Tristate
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Maximum Operating Temperature: + 100 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 516-1885-5; HCTL-2032-SC

9
Set Portb.4
Reset Portb.5
Reset Portb.6
Result_new = 0
Result_old_x = 0
Result_old_y = 0
Do
Temp = Result_2nd * Mult
‘
Result = 32-bits Count Data
‘
Loop
Figure 18. Typical Program for Reading HCTL-2032 with Atmel AVR
Waitms 25
Waitms 25
Temp = Result_lo * Mult
Temp = Result_3rd * Mult
Temp = Result_hi * Mult
Set Portb.0
Reset Portb.1
Set Portb.3
Reset Portb.0
Gosub Get_hi
Set Portb.1
Set Portb.3
Gosub Get_2nd
Reset Portb.1
Reset Portb.3
Gosub Get_3rd
Set Portb.1
Reset Portb.3
Gosub Get_lo
Set Portb.0
Mult = 1
Result = Temp
Mult = Mult * 256
Result = Result + Temp
Mult = Mult * 256
Result = Result + Temp
Mult = Mult * 256
Result = Result + Temp
‘EN1=1
‘EN2=0
‘Select X-axis
‘Disable OE
‘SEL2=1 (MSB)
‘SEL1=1 (2nd Byte)
‘SEL2=1 (2nd Byte)
‘SEL1=1 (LSB)
‘Disable OE
‘Get MSB
‘Get LSB
‘SEL1=0 (MSB)
‘Enable OE
‘SEL1=0 (3rd Byte)
‘SEL2=0 (3rd Byte)
‘SEL2=0 (LSB)
‘Get 3rd Byte
‘Get 2nd Byte
‘Assign LSB
‘Assign 2nd Byte
‘Assign MSB
‘Assign 3rd Byte