PIC16F870-I/SS Microchip Technology, PIC16F870-I/SS Datasheet - Page 182
PIC16F870-I/SS
Manufacturer Part Number
PIC16F870-I/SS
Description
IC MCU FLASH 2KX14 EE 28SSOP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F870-ISO.pdf
(172 pages)
4.PIC16F870-ISO.pdf
(6 pages)
Specifications of PIC16F870-I/SS
Core Size
8-Bit
Program Memory Size
3.5KB (2K x 14)
Core Processor
PIC
Speed
20MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SSOP
Controller Family/series
PIC16F
No. Of I/o's
22
Eeprom Memory Size
64Byte
Ram Memory Size
128Byte
Cpu Speed
20MHz
No. Of Timers
3
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
128 B
Interface Type
USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
22
Number Of Timers
8
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163022, DV164120
Minimum Operating Temperature
- 40 C
On-chip Adc
28 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
I3-DB16F871 - BOARD DAUGHTER ICEPIC3AC164307 - MODULE SKT FOR PM3 28SSOPAC164020 - MODULE SKT PROMATEII 44TQFPXLT28SS-1 - SOCKET TRANSITION ICE 28SSOP
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F870-I/SS
Manufacturer:
EPCOS
Quantity:
1 000
Part Number:
PIC16F870-I/SS
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F870-ISO PDF datasheet #3
- PIC16F870-ISO PDF datasheet #4
- Current page: 182 of 688
- Download datasheet (3Mb)
PICmicro MID-RANGE MCU FAMILY
12.1
DS31012A-page 12-2
Introduction
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 Timer1 Interrupt, if enabled, is generated on
overflow which is latched in the TMR1IF interrupt flag bit. This interrupt can be enabled/disabled
by setting/clearing the TMR1IE interrupt enable bit.
Timer1 can operate in one of three modes:
• As a synchronous timer
• As a synchronous counter
• As an asynchronous counter
The operating mode is determined by clock select bit, TMR1CS (T1CON<1>), and the synchro-
nization bit, T1SYNC
In timer mode, Timer1 increments every instruction cycle. In counter mode, it increments on
every rising edge of the external clock input on pin T1CKI.
Timer1 can be turned on and off using theTMR1ON control bit (T1CON<0>).
Timer1 also has an internal “reset input”, which can be generated by a CCP module.
Timer1 has the capability to operate off an external crystal. When the Timer1 oscillator is enabled
(T1OSCEN is set), the T1OSI and T1OSO pins become inputs. That is, their corresponding TRIS
values are ignored.
Figure 12-1: Timer1 Block Diagram
T1OSO/
T1CKI
T1OSI
Set TMR1IF flag bit
on Overflow
Note 1: When the T1OSCEN bit is cleared, the inverter and feedback resistor are turned
off. This eliminates power drain.
TMR1H
T1OSC
(Figure
TMR1
TMR1L
Oscillator
Enable
12-1).
T1OSCEN
CLR
(1)
Internal
Clock
F
OSC
TMR1ON
/4
CCP Special Trigger
on/off
TMR1CS
1
0
T1CKPS1:T1CKPS0
T1SYNC
Prescaler
1, 2, 4, 8
0
1
1997 Microchip Technology Inc.
2
Synchronized
clock input
Synchronize
SLEEP input
det
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