DM164120-2 Microchip Technology, DM164120-2 Datasheet - Page 38

• Manufacturer Part Number: DM164120-2
• Description: BOARD DEMO PICKIT 2 44PIN
• Manufacturer: Microchip Technology
• Type: MCUr

Specifications of DM164120-2

• Contents: 3 Boards (1 Populated, 2 Bare)
• Processor To Be Evaluated: PIC16F
• Silicon Manufacturer: Microchip
• Kit Contents: PIC16F Device, 2 PCB Boards
• Features: Small Surface Mount Prototype Area, Two Bare PCB Boards
• Development Tool Type: Hardware - Daughter Card
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: PIC16F887
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

44-Pin Demo Board User’s Guide
DS41296B-page 34
EXAMPLE 3-12:
BinaryToGrayCode
TableStart
ANDLW
MOVWF
MOVLW
MOVWF
MOVLW
ADDWF
BTFSC
INCF
MOVWF
RETLW
RETLW
RETLW
RETLW
RETLW
RETLW
RETLW
RETLW
RETLW
RETLW
RETLW
RETLW
RETLW
RETLW
RETLW
RETLW
0x0F
temp
high TableStart
PCLATH
low TableStart
temp,w
STATUS,C
PCLATH,f
PCL
b'0000'
b'0001'
b'0011'
b'0010'
b'0110'
b'0111'
b'0101'
b'0100'
b'1100'
b'1101'
b'1111'
b'1110'
b'1010'
b'1011'
b'1001'
b'1000'
CONVERT BINARY TO GRAY CODE
;mask off invalid entries
;get high order part of the
;beginning of the table
;load starting address of table
;add offset
;did it overflow?
;yes: increment PCLATH
;modify PCL
;0
;1
;2
;3
;4
;5
;6
;7
;8
;9
;10
;11
;12
;13
;14
;15
© 2007 Microchip Technology Inc.