PIC16F1938_13 Datasheet, PDF (20/488 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver

PIC16(L)F1938/9
FIGURE 2-1:
CORE BLOCK DIAGRAM
15
Configuration
15
Program Counter
Data Bus
8
Flash
Program
Memory
186-LLeevveel lSStatacckk
(135-bit)
RAM
Program ₁₄
Bus
IInnssttrruuccttiioonn Rreegg
15
15
Program Memory
Read (PMR)
9 ^{RAM Addr}
Addr MUX
Direct Addr ⁷
12
FFSSRR1 rReegg
Indirect
Addr 12
FSR0reRgeg
SSTTAATTUUSSRreegg
8
OSC1/CLKIN
OSC2/CLKOUT
Instruction
DDeecocoddeea&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
DS40001574C-page 20
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