參數(shù)資料
型號(hào)： 16F871
廠商： Microchip Technology Inc.
英文描述： CAT 5E CROSSOVER PATCH CORD CABLE GREEN 6 FT
中文描述： 28/40-Pin 8位CMOS閃存微控制器
文件頁數(shù)： 5/156頁
文件大?。?/td> 2816K
代理商： 16F871
1999 Microchip Technology Inc.
Preliminary
DS30569A-page 5
PIC16F870/871
1.0
DEVICE OVERVIEW
This document contains device-specific information.
Additional information may be found in the PICmicro
Mid-Range Reference Manual, (DS33023), which may
be obtained from your local Microchip Sales Represen-
tative or downloaded from the Microchip website. The
Reference Manual should be considered a comple-
mentary document to this data sheet, and is highly rec-
ommended reading for a better understanding of the
device architecture and operation of the peripheral
modules.
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.
FIGURE 1-1:
PIC16F870 BLOCK DIAGRAM
FLASH
Program
Memory
13
Data Bus
8
14
Program
Bus
Instruction reg
Program Counter
8 Level Stack
(13-bit)
RAM
File
Registers
Direct Addr
7
RAM Addr (1)
9
Addr MUX
Indirect
Addr
FSR reg
STATUS reg
MUX
ALU
W reg
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Brown-out
Reset
In-Circuit
Debugger
Instruction
Decode &
Control
Timing
Generation
OSC1/CLKIN
OSC2/CLKOUT
MCLR
V
DD
, V
SS
PORTA
PORTB
PORTC
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
8
8
Note 1:
Higher order bits are from the STATUS register.
USART
CCP1
10-bit A/D
Timer0
Timer1
Timer2
RA3/AN3/V
REF
+
RA2/AN2/V
REF
-
RA1/AN1
RA0/AN0
8
3
Data EEPROM
Device
Program
FLASH
2K
Data Memory
Data
EEPROM
64 Bytes
PIC16F870
128 Bytes
Low-Voltage
Programming
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