PIC16F1937-I/ML Microchip Technology, PIC16F1937-I/ML Datasheet - Page 24

• Manufacturer Part Number: PIC16F1937-I/ML
• Description: IC PIC MCU FLASH 512KX14 44-QFN
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F1937-I/ML

• Core Size: 8-Bit
• Program Memory Size: 14KB (8K x 14)
• Core Processor: PIC
• Speed: 32MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-QFN
• Controller Family/series: PIC16F
• No. Of I/o's: 36
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 512Byte
• Cpu Speed: 32MHz
• No. Of Timers: 5
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DS41375A-page 24
; to filter as start value
MOVF
MOVWF NewSample+1
MOVWF NewFilter+1
MOVF
MOVWF NewSample+2
MOVWF NewFilter+2
MOVF
MOVWF NewSample+3
MOVWF NewFilter+3
CLRF
CLRF
CLRF
MOVLW NewSample+3
MOVWF FSR
MOVLW OldFilter+3
BTFSC FilterWeight,0
MOVWF FSR
ADD_FSR_FILTER
MUL_NEWOLD_BY2
MOVLW NewSample+3
MOVWF FSR
MOVLW OldFilter+3
BTFSC FilterWeight,1
MOVWF FSR
ADD_FSR_FILTER
MUL_NEWOLD_BY2
MOVLW NewSample+3
MOVWF FSR
MOVLW OldFilter+3
BTFSC FilterWeight,2
MOVWF FSR
ADD_FSR_FILTER
MUL_NEWOLD_BY2
MOVLW NewSample+3
MOVWF FSR
MOVLW OldFilter+3
BTFSC FilterWeight,3
MOVWF FSR
ADD_FSR_FILTER
MUL_NEWOLD_BY2
AD_NewValue,W
AD_NewValue+1,W
AD_NewValue+2,W
NewFilter
OldFilter
NewSample
; check if value that should be added is new or old
; old value added to filter, adress in W
; add it
; upshift old and new value, 10 instr.
; get top byte of new reading
; store in local variable
; also add this as start value to new filter
;
;
;
;
;
;
;
; clear top bytes ( we only have a 24 bit filter )
; get adress for new value
; setup FSR
; get adress for old value to W
; check if value that should be added is new or old
; adress for old value already in W
; add it
; upshift old and new value, 10 instr.
; get adress for new value
; setup FSR
; get adress for old value to W
; check if value that should be added is new or old
; old value added to filter, adress in W
; add it
; upshift old and new value, 10 instr.
; get adress for new value
; setup FSR
; get adress for old value to W
; check if value that should be added is new or old
; old value added to filter, adress in W
; add it
; upshift old and new value, 10 instr.
; get adress for new value
; setup FSR
; get adress for old value to W
© 2009 Microchip Technology Inc.