参数资料
| 型号： | MCP402XEV |
| 厂商： | Microchip Technology |
| 文件页数： | 40/46页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR MCP402X |
| 标准包装： | 1 |
| 主要目的： | 数字电位器 |
| 嵌入式： | 是，MCU，8 位 |
| 已用 IC / 零件： | MCP4021 |
| 主要属性： | 1 个单路电位器，10 千欧，64 抽头，非易失 |
| 次要属性： | 2.7 ~ 5.5 V，150 ppm/°C |
| 已供物品： | 2 板，样品，CD |
| 产品目录页面： | 677 (CN2011-ZH PDF) |
| 相关产品： | MCP4021T-503E/MCDKR-ND - IC DGTL POT 50K 1CH 8DFN MCP4021T-502E/MCDKR-ND - IC DGTL POT 5K 1CH 8DFN MCP4021T-202E/MCDKR-ND - IC DGTL POT 2.1K 1CH 8DFN MCP4021T-103E/MCDKR-ND - IC DGTL POT 10K 1CH 8DFN MCP4021T-502E/MS-ND - IC DGTL POT 5K 1CH 8MSOP MCP4021T-202E/MS-ND - IC DGTL POT 2.1K 1CH 8MSOP MCP4021T-503E/MS-ND - IC DGTL POT 50K 1CH 8MSOP MCP4021T-103E/MS-ND - IC DGTL POT 10K 1CH 8MSOP MCP4021T-103E/SN-ND - IC DGTL POT 10K 1CH 8SOIC MCP4021T-202E/SN-ND - IC DGTL POT 2.1K 1CH 8SOIC 更多... |
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00066_MCP402XEV.ASM Source Code
TABLE E-1:
00066_MCP402XEV.ASM SOURCE CODE (CONTINUED)
;***********************************************************************************************
; State Machine Subroutines
;***********************************************************************************************
DetermineState
swapf State,f
rrf State,f
rrf State,w
andlw b’00111111’ ; mask invalid states
addwf PCL,f
S0_00 retlw .0 ; both buttons pressed at same time, shouldn’t be here
S0_01 retlw .1 ; UP button pressed, change state
S0_10 retlw .2 ; DOWN button pressed, change state
S0_11 retlw .0 ; no change
S1_00 retlw .5 ; both buttons pressed, change state
S1_01 retlw .1 ; no change
S1_10 retlw .0 ; shouldn’t be here, reset state
S1_11 retlw .3 ; UP button released, change state
S2_00 retlw .6 ; both buttons pressed, change state
S2_01 retlw .0 ; shouldn’t be here, reset state
S2_10 retlw .2 ; no change
S2_11 retlw .4 ; DOWN button released, change state
S3_00 retlw .0 ; shouldn’t be here, reset state
S3_01 retlw .0 ; shouldn’t be here, reset state
S3_10 retlw .0 ; shouldn’t be here, reset state
S3_11 retlw .0 ; shouldn’t be here, reset state
S4_00 retlw .0 ; shouldn’t be here, reset state
S4_01 retlw .0 ; shouldn’t be here, reset state
S4_10 retlw .0 ; shouldn’t be here, reset state
S4_11 retlw .0 ; shouldn’t be here, reset state
S5_00 retlw .5 ; no change
S5_01 retlw .7 ; DOWN button released, change state
S5_10 retlw .9 ; UP button released, change state
S5_11 retlw .0 ; shouldn’t be here, reset state
S6_00 retlw .6 ; no change
S6_01 retlw .10 ; DOWN button released
S6_10 retlw .8 ; UP button released
S6_11 retlw .0 ; shouldn’t be here, reset state
S7_00 retlw .5 ; both buttons pressed again, change state
S7_01 retlw .7 ; no change
S7_10 retlw .0 ; shouldn’t be here, reset state
S7_11 retlw .13 ; UP button released, change state
S8_00 retlw .6 ; both buttons pressed again, change state
S8_01 retlw .0 ; shouldn’t be here, reset state
S8_10 retlw .8 ; no change
S8_11 retlw .14 ; DOWN button released, change state
S9_00 retlw .5 ; both buttons pressed again, change state
S9_01 retlw .0 ; shouldn’t be here, reset state
S9_10 retlw .9 ; no change
S9_11 retlw .11 ; DOWN button released, change state
S10_00 retlw .6 ; both buttons pressed again, change state
S10_01 retlw .10 ; no change
S10_10 retlw .0 ; shouldn’t be here, reset state
S10_11 retlw .12 ; DOWN button released, change state
S11_00 retlw .0 ; shouldn’t be here, reset state
S11_01 retlw .0 ; shouldn’t be here, reset state
S11_10 retlw .0 ; shouldn’t be here, reset state
S11_11 retlw .0 ; shouldn’t be here, reset state
S12_00 retlw .0 ; shouldn’t be here, reset state
S12_01 retlw .0 ; shouldn’t be here, reset state
S12_10 retlw .0 ; shouldn’t be here, reset state
S12_11 retlw .0 ; shouldn’t be here, reset state
S13_00 retlw .0 ; shouldn’t be here, reset state
S13_01 retlw .0 ; shouldn’t be here, reset state
? 2005 Microchip Technology Inc.
DS51546B-page 36
相关PDF资料 |
PDF描述 |
|---|---|
| MCP42XXEV | BOARD EVALUATION MCP42XX |
| MCP43XXEV | BOARD EVALUATION MCP43XX |
| MCP46XXDM-PTPLS | BOARD PICTAIL DIGI POT MCP4XXX |
| MCP46XXEV | EVAL BOARD FOR MCP46XX |
| MCP4XXXDM-DB | BOARD DAUGHTER DIGIPOT MCP4XXX |
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