PIC16F505 Microchip Technology, PIC16F505 Datasheet - Page 14

• Manufacturer Part Number: PIC16F505
• Description: (PIC1xF50x) 8-Bit Flash Microcontrollers
• Manufacturer: Microchip Technology

PIC12F508/509/16F505
FIGURE 3-2:
DS41236A-page 12
OSC2/CLKOUT
OSC1/CLKIN
Program
Bus
Instruction reg
Generation
Instruction
Decode &
Program
12
Control
Memory
1K x 12
Timing
PIC16F505 BLOCK DIAGRAM
Flash
8
12
MCLR
Program Counter
Direct Addr
Device Reset
Internal RC
Watchdog
Power-on
Stack 1
Stack 2
Timer
Reset
Timer
OSC
V
DD
, V
SS
5
Preliminary
RAM Addr
8
3
Data Bus
Addr MUX
Registers
W reg
ALU
RAM
File
5-7
Timer0
Status reg
FSR reg
MUX
9
Indirect
Addr
8
PORTB
PORTC
 2004 Microchip Technology Inc.
RB0/ICSPCLK
RB1/ICSPDAT
RB2
RB3/MCLR/V
RB4/OSC2/CLKOUT
RB5/OSC1/CLKIN
RC0
RC1
RC2
RC3
RC4
RC5/T0CKI
PP