 English |
|
|
|
|
|
|
|
| PIC16F870_13 Datasheet, PDF (6/172 Pages) Microchip Technology – 28/40-Pin, 8-Bit CMOS FLASH Microcontrollers | |||
| |||
| ◁ |
PIC16F870/871
FIGURE 1-2:
PIC16F871 BLOCK DIAGRAM
Device
Program FLASH Data Memory Data EEPROM
PIC16F871
2K
128 Bytes
64 Bytes
FLASH
Program
Memory
13
Program Counter
8 Level Stack
(13-bit)
Data Bus
8
RAM
File
Registers
Program
Bus
14
Instruction reg
RAM Addr (1) 9
Addr MUX
Direct Addr 7
Indirect
8 Addr
FSR reg
STATUS reg
8
Instruction
Decode &
Control
OSC1/CLKI
OSC2/CLKO
Timing
Generation
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Brown-out
Reset
In-Circuit
Debugger
Low-Voltage
Programming
3
MUX
ALU
8
W reg
Timer0
MCLR VDD, VSS
Timer1
Timer2
10-bit A/D
PORTA
PORTB
PORTC
PORTD
RA0/AN0
RA1/AN1
RA2/AN2/VREF-
RA3/AN3/VREF+
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
RD7/PSP7:RD0/PSP0
PORTE
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
Data EEPROM
CCP1
Parallel Slave Port
Note 1: Higher order bits are from the STATUS register.
USART
DS30569C-page 6
ï£ 2000-2013 Microchip Technology Inc.
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese