PIC16F871T-E/PT Microchip Technology, PIC16F871T-E/PT Datasheet - Page 13
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PIC16F871T-E/PT
Manufacturer Part Number
PIC16F871T-E/PT
Description
IC MCU CMOS 20MHZ 2K FLSH 44TQFP
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 PIC16F871T-E/PT
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
33
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)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F871T-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F870-ISO PDF datasheet #3
- PIC16F870-ISO PDF datasheet #4
- Current page: 13 of 172
- Download datasheet (4Mb)
2.0
The PIC16F870/871 devices have three memory
blocks. The Program Memory and Data Memory have
separate buses, so that concurrent access can occur,
and is detailed in this section. The EEPROM data
memory block is detailed in Section 3.0.
Additional information on device memory may be found
in the PICmicro
Manual (DS33023).
2.1
The PIC16F870/871 devices have a 13-bit program
counter capable of addressing an 8K x 14 program
memory space. The PIC16F870/871 devices have
2K x 14 words of FLASH program memory. Accessing
a location above the physically implemented address
will cause a wraparound.
The RESET vector is at 0000h and the interrupt vector
is at 0004h.
FIGURE 2-1:
2003 Microchip Technology Inc.
Program
On-Chip
Memory
CALL, RETURN
RETFIE, RETLW
MEMORY ORGANIZATION
Program Memory Organization
TM
Mid-Range MCU Family Reference
Interrupt Vector
RESET Vector
Stack Level 2
Stack Level 8
Stack Level 1
PIC16F870/871 PROGRAM
MEMORY MAP AND STACK
PC<12:0>
Page 0
13
0000h
0004h
0005h
07FFh
0800h
1FFFh
2.2
The data memory is partitioned into multiple banks
which contain the General Purpose Registers and the
Special Function Registers. Bits RP1 (STATUS<6>)
and RP0 (STATUS<5>) are the bank select bits.
Each bank extends up to 7Fh (128 bytes). The lower
locations of each bank are reserved for the Special
Function Registers. Above the Special Function Regis-
ters are General Purpose Registers, implemented as
static RAM. All implemented banks contain Special
Function Registers. Some “high use” Special Function
Registers from one bank may be mirrored in another
bank for code reduction and quicker access.
2.2.1
The register file can be accessed either directly, or
indirectly through the File Select Register FSR.
Note:
Data Memory Organization
RP<1:0>
EEPROM Data Memory description can
be found in Section 3.0 of this Data Sheet.
GENERAL PURPOSE REGISTER
FILE
00
01
10
11
PIC16F870/871
DS30569B-page 11
Bank
0
1
2
3
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