PIC16F1827-I/SS Microchip Technology Inc., PIC16F1827-I/SS Datasheet - Page 190
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PIC16F1827-I/SS
Manufacturer Part Number
PIC16F1827-I/SS
Description
20 SSOP .209in TUBE, 7 KB Flash, 384 bytes RAM, 32 MHz Int. Osc, 16 I/0, Enhance
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F1826-ISO.pdf
(406 pages)
Specifications of PIC16F1827-I/SS
A/d Inputs
12-Channel, 10-Bit
Comparators
2
Cpu Speed
8 MIPS
Eeprom Memory
256 Bytes
Input Output
16
Interface
I2C/SPI/UART/USART
Memory Type
Flash
Number Of Bits
8
Package Type
18-pin SSOP
Programmable Memory
7K Bytes
Ram Size
384 Bytes
Speed
32 MHz
Timers
4-8-bit, 1-16-bit
Voltage, Range
1.8-5.5 V
Standby Current (pic16lf182x)
30 nA @ 1.8 V, Typical
Lead Free Status / Rohs Status
RoHS Compliant part
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F1827-I/SS
Manufacturer:
NELL
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PIC16(L)F1826/27
22.1
The clock input to the Timer2/4/6 modules is the
system instruction clock (F
TMRx increments from 00h on each clock edge.
A 4-bit counter/prescaler on the clock input allows direct
input, divide-by-4 and divide-by-16 prescale options.
These options are selected by the prescaler control bits,
TxCKPS<1:0> of the TxCON register. The value of
TMRx is compared to that of the Period register, PRx, on
each clock cycle. When the two values match, the
comparator generates a match signal as the timer
output. This signal also resets the value of TMRx to 00h
on
counter/postscaler (see
Interrupt”).
The TMRx and PRx registers are both directly readable
and writable. The TMRx register is cleared on any
device Reset, whereas the PRx register initializes to
FFh. Both the prescaler and postscaler counters are
cleared on the following events:
• a write to the TMRx register
• a write to the TxCON register
• Power-on Reset (POR)
• Brown-out Reset (BOR)
• MCLR Reset
• Watchdog Timer (WDT) Reset
• Stack Overflow Reset
• Stack Underflow Reset
• RESET Instruction
22.2
Timer2/4/6 can also generate an optional device
interrupt. The Timer2/4/6 output signal (TMRx-to-PRx
match)
counter/postscaler. This counter generates the TMRx
match interrupt flag which is latched in TMRxIF of the
PIRx register. The interrupt is enabled by setting the
TMRx Match Interrupt Enable bit, TMRxIE of the PIEx
register.
A range of 16 postscale options (from 1:1 through 1:16
inclusive) can be selected with the postscaler control
bits, TxOUTPS<3:0>, of the TxCON register.
DS41391D-page 190
Note:
the
Timer2/4/6 Operation
Timer2/4/6 Interrupt
provides
next
TMRx is not cleared when TxCON is
written.
cycle
the
OSC
and
Section 22.2 “Timer2/4/6
input
/4).
drives
for
the
the
output
4-bit
22.3
The unscaled output of TMRx is available primarily to
the CCP modules, where it is used as a time base for
operations in PWM mode.
Timer2 can be optionally used as the shift clock source
for the MSSPx modules operating in SPI mode.
Additional information is provided in
“Master
Timer2/4/6 Operation During Sleep
The Timer2/4/6 timers cannot be operated while the
processor is in Sleep mode. The contents of the TMRx
and PRx registers will remain unchanged while the
processor is in Sleep mode.
Timer2/4/6 Output
SSPx
(MSSPx)
2011 Microchip Technology Inc.
Module
Section 25.1
Overview”
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