MCP402XEV Microchip Technology, MCP402XEV Datasheet - Page 34

• Manufacturer Part Number: MCP402XEV
• Description: BOARD EVAL FOR MCP402X
• Manufacturer: Microchip Technology

Specifications of MCP402XEV

• Main Purpose: Digital Potentiometer
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: MCP4021
• Primary Attributes: 1 Single Pot, 10 kOhm, 64 Tap, Non Volatile
• Secondary Attributes: 2.7 ~ 5.5 V, 150 ppm/°C
• Processor To Be Evaluated: MCP402X
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

TABLE E-1:
© 2005 Microchip Technology Inc.
;**********************************************************************************************
; Connections/Schematic
;**********************************************************************************************
;
; MCP pin
; _______
; 1
; 2
; 3
; 4
; 5
; 6
; 7
; 8
;
; MCP402x
; _______
; Vdd
; Vss
; A
; W
; B
; CS
; U/D
; -
; -
;
;**********************************************************************************************
; Assemble Time Variables
SaveWiper
;
;**********************************************************************************************
; Configure the PIC
;**********************************************************************************************
list
#include <p10F206.inc>
__CONFIG
ERRORLEVEL -302
equ
p=10F206
_MCLRE_OFF & _CP_OFF & _WDT_ON
MCP4021
_______
Vdd
Vss
A
W
CS
B
-
U/D
PIC10F206
_________
Vdd
Vss
-
-
-
GP0/ICSPDAT (int pu)
GP1/ICSPCLK (int pu)
GP2/OSCOUT
GP3/Vpp (int pu)
00066_MCP402XEV.ASM SOURCE CODE (CONTINUED)
1
; comment this line prevent LV commands from Saving the Wiper
MCP4022
_______
Vdd
Vss
U/D
CS
W
A
-
-
; list directive to define processor
; processor specific variable definitions
00066_MCP402XEV.ASM Source Code
MCP4023
_______
Vdd
Vss
U/D
CS
W
A
-
-
Ext Components
______________
0.1uF - Vss
-
2.5k - Vdd
-
2.5k - Vss
2.5k - DECR - Vss, 7.5k - CS & BAV99
2.5k - INCR - Vss
0.01uF - BAV99 - 0.01uF - Vss
optional SW or Jumper put on BFMP header pins 4 & 6
MCP4024
_______
Vdd
Vss
U/D
CS
W
-
-
-
DS51546B-page 30