PIC16F1946 Datasheet, PDF (20/440 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt XLP Technology

PIC16F/LF1946/47
FIGURE 2-1:
CORE BLOCK DIAGRAM
15
Configuration
15
Program Counter
Data Bus
8
Flash
Program
Memory
186-LLeevveel lSStatacckk
(135-bit)
RAM
Program
Bus
14
IInnssttrruuccttiioonn Rreegg
15
15
Program Memory
Read (PMR)
12 ^{RAM Addr}
Addr MUX
Direct Addr ⁷
8
Indirect
Addr
5
12
12
BFSSRR Rreegg
FSR0reRgeg
FFSSRR1 rReegg
SSTTAATTUUSSRreegg
OSC1/CLKIN
OSC2/CLKOUT
Instruction
DDeeccooddeea&nd
Control
Timing
Generation
Internal
Oscillator
Block
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Brown-out
Reset
3
MUX
ALU
8
W Reg
VDD VSS
DS41414A-page 18
Preliminary
 2010 Microchip Technology Inc.