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| PIC16F720_13 Datasheet, PDF (8/254 Pages) Microchip Technology – 20-Pin Flash Microcontrollers | |||
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PIC16(L)F720/721
FIGURE 1-1:
20-PIN DEVICE BLOCK DIAGRAM FOR PIC16F720/721
Configuration
Flash
P8rKogxra1m4
MPermogorraym(1)
Memory
Program
Bus
14
IInnssttrruuccttiioonn Rreegg
13
Program Counter
Data Bus
8
8 Level Stack
(13-bit)
RAM
File
RReeggiisstteerrss(1)
368 x 8
RAM Addr
9
Addr MUX
Direct Addr 7
Indirect
8 Addr
FFSSRR Rreegg
PORTA
PORTB
SSTTAATTUUSS Rreegg
PORTC
8
CLKIN
CLKOUT
Instruction
Decode &
Control
Timing
Generation
Internal
Oscillator
Block
Power-up
Timer
Power-on
Reset
Watchdog
Timer
Brown-out
Reset
LDO
Regulator
3
MUX
ALU
8
WW Rreegg
MCLR VDD VSS
CCP1
CCP1
PMDATL
Self read/
write Flash
memory
PMADRL
RA0
RA1
RA2
RA3
RA4
RA5
RB4
RB5
RB6
RB7
RC0
RC1
RC2
RC3
RC4
RC5
RC6
RC7
T0CKI
T1G T1CKI
TX/CK RX/DT
ICSPDAT
ICSPCLK
SDI/ SCK/
SDO SDA SCL SS
Timer0
Timer1
Timer2
AUSART
AICUSPAâ¢RT
Synchronous
Serial Port
Analog-To-Digital Converter
AN0 AN1 AN2 AN3 AN4 AN5 AN6 AN7 AN8 AN9 AN10 AN11
Note: PIC16(L)F720 â 2k x 14 Flash, 128 x 8 RAM
PIC16(L)F721 â 4k x 14 Flash, 256 x 8 RAM.
DS41430D-page 8
ï£ 2010-2013 Microchip Technology Inc.
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