MXSIGDM Microchip Technology, MXSIGDM Datasheet - Page 37

• Manufacturer Part Number: MXSIGDM
• Description: BOARD DEMO PICTAIL MIXED SIGNAL
• Manufacturer: Microchip Technology
• Series: PICtail™r

Specifications of MXSIGDM

• Main Purpose: Mixed Signal for MCU: ADC, DAC,
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: TX132x,MCP330x,320x,494x,3221,3201,1525,1541
• Primary Attributes: 3 ADCs, 3 DACs, 2 Voltage References, 5V LDO
• Secondary Attributes: DIP Switches, 2 LEDs, PIC16F767
• Processor To Be Evaluated: TC132x, MCP330x, MCP320x, MCP492x, MCP3221, MCP3021, MCP15x
• Interface Type: I2C, SPI
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

;
;
; Y = 63 + 64 * Sin (X * 360 / 32)
;
SINE_Table_7bit
;
;*************************************************************************************
**
; 32 step lookup table of an 8 bit SINE wave
;
;
; Y = 127 + 128 * Sin (X * 360 / 32)
;
;SINE_Table_32step_8bit
; addwf PCL,F
; nop
; DT
; DT
; DT
; DT
;
;
;*************************************************************************
; This is a 16 level lookup table of a 7 bit SINE wave
;
;
; Y = 63 + 64 * Sin (X * 360 / 16)
;
SINE_Table_7bit
;
;*************************************************************************
;
;
;
;
;
;
;
;
;
;
;
 2004 Microchip Technology Inc.
DT .63,
DT .127, .126, .122, .116, .108, .99,
DT .63,
DT .0,
DT .63,
DT .127, .122, .108, .87
DT .63,
DT .0,
addwf PCL,F
nop
endif
if
addwf
nop
endif
if _32_steps & _8_bit
endif
Y = 7 bit result
Y = 8 bit result
X = step #
Y = 7 bit result
Key Low High
0 941 1336
1 697 1209
2 697 1336
3 697 1477
4 770 1209
5 770 1336
6 770 1477
.127,
.255,
.127,
.0,
_16_steps
;this location is never used since W != 0
;this location is never used since W != 0
DTMF Frequency Tables
.75,
.51,
.1,
PCL,F
;this location is never used since W != 0
.87,
.39,
.4,
.152,
.253,
.102,
.1,
.87,
.39,
.4,
.108, .122
.18,
.18,
;32 step
;16 step
.176,
.245,
.78,
.9,
X = step #
.99,
.27,
.10,
X = step #
.4
.39
.198,
.233,
.56,
.21,
.108, .116, .122, .126
.18,
.18,
.10,
.27,
.218, .233,
.218, .198,
.36,
.36,
.87,
.4,
.39,
.21,
.56,
.75
.1
.51
.245,
.176,
.9,
.78,
.253
.152
.1
.102
DS51523A-page 33