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MCP6S2X Evaluation Board
(Rev. 4) User ’s Guide
Appendix C. Evaluation Board Firmware
Software License Agreement
This software is supplied herewith by Microchip Technology Incorporated (the “Company”) is supplied to you, the
Company’s customer, for use solely and exclusively on Microchip’s products manufactured by the Company.
This software is owned by the Company and/or its supplier, and is protected under applicable copyright laws. All rights
are reserved. Any use in violation of the foregoing restrictions may subject the user to criminal sanctions under
applicable laws, as well as to civil liability for the breach of the terms and conditions of this license.
THE SOFTWARE IS PROVIDED IN AN “AS IS” CONDITION. NO WARRANTIES, WHETHER EXPRESS, IMPLIED
OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PUPORSE APPLY TO THIS SOFTWARE. THE COMPANY SHALL NOT, IN ANY
CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES, FOR ANY REA-
SON WHATSOEVER.
;--------------------------------------------------------------------------
; This firmware is developed for the MCP6S2X PGA demo board.
;
; The firmware reads the user interface dip and push-button switch
; settings and programs the PGA accordingly.
;
;
; File name: pga_demo.asm
; Date: 08/09/04
; File Version: 1.00
;
; Programmer: MPLAB ICE 2
; File Required: PIC16F676.inc
;
; Demo Board:
; Name: MCP6S2X Eval. Bd.
; Number: 102-00018R4
; Rev.: R4
; PGAs: MCP6S21 (or MCP6S91), MCP6S26
;
; Author: Ezana Haile
; Company: Microchip Technology, Inc.
;
;--------------------------------------------------------------------------
ERRORLEVEL -302
ERRORLEVEL -305
#INCLUDE <P16F676.INC>
__CONFIG
_CPD_OFF
; definitions
_MCLRE_ON & _WDT_OFF & _INTRC_OSC_NOCLKOUT & _PWRTE_OFF & _BODEN_OFF &
#DEFINE
#DEFINE
#DEFINE
#DEFINE
#DEFINE
#DEFINE
#DEFINE
#DEFINE
#DEFINE
#DEFINE
#DEFINE
#DEFINE
CS
SCK
DO
PUSH
SW1
SW2
SW3
SW4
SW5
PRG_GAIN
PRG_CHANNEL
PGA_SHDN
PORTC, 4
PORTC, 5
PORTC, 3
PORTA, 0
PORTC, 2
PORTC, 1
PORTC, 0
PORTA, 2
PORTA, 5
B’01000000’
B’01000001’
B’00100000’
;
;
;
;
;
;
;
;
;
;
;
;
CHIP SELECT
CLOCK
DATA OUT
READ PUSH BUTTON
SWITCH 1
SWITCH 2
SWITCH 3
SWITCH 4
SWITCH 5
PROGRAM GAIN
PROGRAM CHANNEL
SHUTDOWN PGA
? 2004 Microchip Technology Inc.
DS51327B-page 25
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