12F508 Microchip Technology, 12F508 Datasheet - Page 14

• Manufacturer Part Number: 12F508
• Description: Search -----> PIC12F508
• Manufacturer: Microchip Technology

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PIC12F508/509/16F505
FIGURE 3-2:
DS41236B-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
Status Reg
Timer0
FSR Reg
MUX
9
Indirect
Addr
8
PORTB
PORTC
© 2005 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