PIC16LF870T-I/SS Microchip Technology, PIC16LF870T-I/SS Datasheet - Page 7
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PIC16LF870T-I/SS
Manufacturer Part Number
PIC16LF870T-I/SS
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SSOP,28PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Specifications of PIC16LF870T-I/SS
Rohs Compliant
YES
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
128 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-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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This document contains device specific information.
Additional information may be found in the PICmicro
Mid-Range
(DS33023), which may be obtained from your local
Microchip Sales Representative or downloaded from
the Microchip web site. The Reference Manual should
be considered a complementary document to this data
sheet, and is highly recommended reading for a better
understanding of the device architecture and operation
of the peripheral modules.
FIGURE 1-1:
2003 Microchip Technology Inc.
Note 1:
Data EEPROM
PIC16F870
Device
Timer0
OSC1/CLKI
OSC2/CLKO
DEVICE OVERVIEW
Higher order bits are from the STATUS register.
Program
MCU
Bus
Program FLASH
Instruction reg
Generation
PIC16F870 BLOCK DIAGRAM
Instruction
Decode &
Family
14
Program
Control
Memory
Timing
FLASH
2K
Timer1
CCP1
Reference
8
13
Data Memory
MCLR
128 Bytes
Direct Addr
Start-up Timer
Program Counter
Programming
Low-Voltage
Brown-out
8 Level Stack
Watchdog
Debugger
Power-up
Power-on
Oscillator
In-Circuit
Timer
Reset
Timer
Reset
(13-bit)
V
DD
Manual
Timer2
, V
SS
7
TM
RAM Addr (1)
Data EEPROM
64 Bytes
8
3
Data Bus
Addr MUX
Registers
W reg
ALU
There are two devices (PIC16F870 and PIC16F871)
covered by this data sheet. The PIC16F870 device
comes in a 28-pin package and the PIC16F871 device
comes in a 40-pin package. The 28-pin device does not
have a Parallel Slave Port implemented.
The following two figures are device block diagrams
sorted by pin number: 28-pin for Figure 1-1 and 40-pin
for Figure 1-2. The 28-pin and 40-pin pinouts are listed
in Table 1-1 and Table 1-2, respectively.
RAM
File
STATUS reg
10-bit A/D
FSR reg
USART
9
MUX
8
Indirect
Addr
8
PIC16F870/871
PORTB
PORTC
PORTA
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI
RA5/AN4
RB0/INT
RB1
RB2
RB3/PGM
RB4
RB5
RB6/PGC
RB7/PGD
RC0/T1OSO/T1CKI
RC1/T1OSI
RC2/CCP1
RC3
RC4
RC5
RC6/TX/CK
RC7/RX/DT
DS30569B-page 5
REF
REF
-
+
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