PIC16LF818T-E/SS Microchip Technology, PIC16LF818T-E/SS Datasheet - Page 64
![IC PIC MCU FLASH 1KX14 20SSOP](/photos/6/58/65895/150-20-ssop_sml.jpg)
PIC16LF818T-E/SS
Manufacturer Part Number
PIC16LF818T-E/SS
Description
IC PIC MCU FLASH 1KX14 20SSOP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Specifications of PIC16LF818T-E/SS
Core Processor
PIC
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
1.75KB (1K x 14)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
20-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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PIC16F818/819
EXAMPLE 7-3:
TABLE 7-2:
DS39598E-page 62
0Bh,8Bh,
10Bh,18Bh
0Ch
8Ch
0Eh
0Fh
10h
Legend:
Address
RTCinit
RTCisr
x = unknown, u = unchanged, - = unimplemented, read as ‘0’. Shaded cells are not used by the Timer1 module.
INTCON
PIR1
PIE1
TMR1L
TMR1H Holding Register for the Most Significant Byte of the 16-bit TMR1 Register
T1CON
Name
BANKSEL
MOVLW
MOVWF
CLRF
MOVLW
MOVWF
CLRF
CLRF
MOVLW
MOVWF
BANKSEL
BSF
RETURN
BANKSEL
BSF
BCF
INCF
MOVF
SUBLW
BTFSS
RETURN
CLRF
INCF
MOVF
SUBLW
BTFSS
RETURN
CLRF
INCF
MOVF
SUBLW
BTFSS
RETURN
CLRF
RETURN
REGISTERS ASSOCIATED WITH TIMER1 AS A TIMER/COUNTER
Holding Register for the Least Significant Byte of the 16-bit TMR1 Register
Bit 7
GIE
IMPLEMENTING A REAL-TIME CLOCK USING A TIMER1 INTERRUPT SERVICE
—
—
—
TMR1H
0x80
TMR1H
TMR1L
b’00001111’
T1CON
secs
mins
.12
hours
PIE1
PIE1, TMR1IE
TMR1H
TMR1H, 7
PIR1, TMR1IF
secs, F
secs, w
.60
STATUS, Z
seconds
mins, f
mins, w
.60
STATUS, Z
mins
hours, f
hours, w
.24
STATUS, Z
hours
PEIE
ADIF
ADIE
Bit 6
—
T1CKPS1 T1CKPS0 T1OSCEN T1SYNC TMR1CS TMR1ON --00 0000 --uu uuuu
TMR0IE
Bit 5
—
—
; Preload TMR1 register pair
; for 1 second overflow
; Configure for external clock,
; Asynchronous operation, external oscillator
; Initialize timekeeping registers
; Enable Timer1 interrupt
; Preload for 1 sec overflow
; Clear interrupt flag
; Increment seconds
; 60 seconds elapsed?
; No, done
; Clear seconds
; Increment minutes
; 60 seconds elapsed?
; No, done
; Clear minutes
; Increment hours
; 24 hours elapsed?
; No, done
; Clear hours
; Done
Bit 4
INTE
—
—
SSPIF
SSPIE
RBIE
Bit 3
TMR0IF
CCP1IF
CCP1IE TMR2IE
Bit 2
TMR2IF
Bit 1
INTF
TMR1IE -0-- 0000 -0-- 0000
TMR1IF -0-- 0000 -0-- 0000
Bit 0
RBIF
2004 Microchip Technology Inc.
0000 000x 0000 000u
xxxx xxxx uuuu uuuu
xxxx xxxx uuuu uuuu
POR, BOR
Value on
Value on
all other
Resets
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