MXSIGDM Microchip Technology, MXSIGDM Datasheet - Page 39

• 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

;
;*************************************************************************
;
;
;
;
;
;
;
F_Low_table
F_High_table
;
;*************************************************************************
;
;
 2004 Microchip Technology Inc.
retlw .42 ;1488.1
endif
if
addwf
retlw .133
retlw .179
retlw .179
retlw .179
retlw .162
retlw .162
retlw .162
retlw .147
retlw .147
retlw .147
retlw .179
retlw .162
retlw .147
retlw .133
retlw .133
retlw .133
addwf PCL,F
retlw .94
retlw .103
retlw .94
retlw .85
retlw .103
retlw .94
retlw .85
retlw .103
retlw .94
retlw .85
retlw .77
retlw .77
retlw .77
retlw .77
retlw .103
retlw .85
endif
if
Delay Calculation for Frequency Generation
Fosc = 8MHz
X = Fosc / ( 4 * #steps * Ftone)
;X
;X
Delay Calculation for Frequency Generation
_16_steps & Fosc_8000000
_16_steps & Fosc_3570000
Actual
Actual
PCL,F
;939.8
;698.3
;698.3
;698.3
;771.6
;771.6
;771.6
;850.3
;850.3
;850.3
;698.3
;771.6
;850.3
;939.8
;939.8
;939.8
;1329.8
;1213.6
;1329.8
;1470.6
;1213.6
;1329.8
;1470.6
;1213.6
;1329.8
;1470.6
;1623.4
;1623.4
;1623.4
;1623.4
;1213.6
;1470.6
#steps = 16
Desired
Desired
1477
941
697
697
697
770
770
770
852
852
852
697
770
852
941
941
941
1336
1209
1336
1477
1209
1336
1477
1209
1336
1477
1633
1633
1633
1633
1209
1477
%Error
.75%
.12%
.19%
.19%
.19%
.21%
.21%
.21%
.19%
.19%
.19%
.19%
.21%
.19%
.12%
.12%
.12%
%Error
.47%
.37%
.47%
.43%
.37%
.47%
.43%
.37%
.47%
.43%
.59%
.59%
.59%
.59%
.37%
.43%
; may run out of tcy and be too slow
; may run out of tcy and be too slow
; may run out of tcy and be too slow
; may run out of tcy and be too slow
DS51523A-page 35