PIC16LF873A-I/ML Microchip Technology, PIC16LF873A-I/ML Datasheet - Page 59
![IC PIC MCU FLASH 4KX14 28QFN](/photos/6/81/68120/150-28-qfn_sml.jpg)
PIC16LF873A-I/ML
Manufacturer Part Number
PIC16LF873A-I/ML
Description
IC PIC MCU FLASH 4KX14 28QFN
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Specifications of PIC16LF873A-I/ML
Core Processor
PIC
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PIC16LF873A-I/MLR
PIC16LF873A-I/MLR
PIC16LF873A-I/MLR
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6.0
The Timer1 module is a 16-bit timer/counter consisting
of two 8-bit registers (TMR1H and TMR1L) which are
readable and writable. The TMR1 register pair
(TMR1H:TMR1L) increments from 0000h to FFFFh
and rolls over to 0000h. The TMR1 interrupt, if enabled,
is generated on overflow which is latched in interrupt
flag bit, TMR1IF (PIR1<0>). This interrupt can be
enabled/disabled by setting/clearing TMR1 interrupt
enable bit, TMR1IE (PIE1<0>).
Timer1 can operate in one of two modes:
• As a Timer
• As a Counter
The operating mode is determined by the clock select
bit, TMR1CS (T1CON<1>).
REGISTER 6-1:
2003 Microchip Technology Inc.
TIMER1 MODULE
bit 7-6
bit 5-4
bit 3
bit 2
bit 1
bit 0
T1CON: TIMER1 CONTROL REGISTER (ADDRESS 10h)
Unimplemented: Read as ‘0’
T1CKPS1:T1CKPS0: Timer1 Input Clock Prescale Select bits
11 = 1:8 prescale value
10 = 1:4 prescale value
01 = 1:2 prescale value
00 = 1:1 prescale value
T1OSCEN: Timer1 Oscillator Enable Control bit
1 = Oscillator is enabled
0 = Oscillator is shut-off (the oscillator inverter is turned off to eliminate power drain)
T1SYNC: Timer1 External Clock Input Synchronization Control bit
When TMR1CS = 1:
1 = Do not synchronize external clock input
0 = Synchronize external clock input
When TMR1CS = 0:
This bit is ignored. Timer1 uses the internal clock when TMR1CS = 0.
TMR1CS: Timer1 Clock Source Select bit
1 = External clock from pin RC0/T1OSO/T1CKI (on the rising edge)
0 = Internal clock (F
TMR1ON: Timer1 On bit
1 = Enables Timer1
0 = Stops Timer1
Legend:
R = Readable bit
- n = Value at POR
bit 7
U-0
—
U-0
—
OSC
T1CKPS1 T1CKPS0
/4)
R/W-0
W = Writable bit
‘1’ = Bit is set
R/W-0
In Timer mode, Timer1 increments every instruction
cycle. In Counter mode, it increments on every rising
edge of the external clock input.
Timer1 can be enabled/disabled by setting/clearing
control bit, TMR1ON (T1CON<0>).
Timer1 also has an internal “Reset input”. This Reset
can be generated by either of the two CCP modules
(Section 8.0 “Capture/Compare/PWM Modules”).
Register 6-1 shows the Timer1 Control register.
When the Timer1 oscillator is enabled (T1OSCEN is
set), the RC1/T1OSI/CCP2 and RC0/T1OSO/T1CKI
pins become inputs. That is, the TRISC<1:0> value is
ignored and these pins read as ‘0’.
Additional information on timer modules is available in
the PICmicro
Manual (DS33023).
T1OSCEN
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-0
®
Mid-Range MCU Family Reference
PIC16F87XA
T1SYNC TMR1CS TMR1ON
R/W-0
x = Bit is unknown
R/W-0
DS39582B-page 57
R/W-0
bit 0
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