PIC12F1822 MICROCHIP [Microchip Technology], PIC12F1822 Datasheet - Page 20

• Manufacturer Part Number: PIC12F1822
• Description: 8/14-Pin Flash Microcontrollers with nanoWatt XLP Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC12F/LF1822/16F/LF1823
FIGURE 2-1:
DS41413A-page 20
OSC2/CLKOUT
OSC1/CLKIN
15
Oscillator
Oscillator
Oscillator
Program
Program
Program
Internal
Internal
Internal
15
Block
Block
Block
Bus
Bus
Bus
CORE BLOCK DIAGRAM
15
Instruction Reg
Instruction reg
Instruction reg
Decode and
Configuration
Configuration
Configuration
Generation
Generation
Generation
Instruction
Instruction
Instruction
Decode &
Decode &
Program
Memory
14
14
14
Control
Control
Control
Timing
Timing
Timing
Flash
8
8
8
Direct Addr 7
Direct Addr 7
Direct Addr 7
15
Preliminary
Start-up Timer
Program Memory
Program Counter
Program Counter
Program Counter
V
V
V
16-Level Stack
Brown-out
8 Level Stack
8 Level Stack
Watchdog
Power-up
Power-on
Oscillator
DD
DD
DD
Read (PMR)
Reset
Reset
Timer
Timer
(13-bit)
(13-bit)
(15-bit)
V
V
V
SS
SS
SS
BSR Reg
FSR reg
FSR reg
FSR1 Reg
FSR reg
FSR reg
8
8
8
5
3
3
3
Data Bus
Data Bus
Data Bus
Addr MUX
Addr MUX
Addr MUX
W Reg
ALU
ALU
ALU
12
RAM
Indirect
STATUS Reg
STATUS reg
STATUS reg
Addr
 2010 Microchip Technology Inc.
12
FSR reg
FSR reg
FSR0 Reg
MUX
MUX
MUX
RAM Addr
12
8
8
8