PIC18F-LF1XK50 MICROCHIP [Microchip Technology], PIC18F-LF1XK50 Datasheet - Page 12

• Manufacturer Part Number: PIC18F-LF1XK50
• Description: 20-Pin USB Flash Microcontrollers
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18F1XK50/PIC18LF1XK50
FIGURE 1-1:
DS41350E-page 12
Note 1:
CV
FVR
OSC1
OSC2
T1OSI
T1OSO
MCLR
V
V
DD
REF
USB
2:
3:
,
Instruction Bus <16>
V
Table Pointer<21>
Program Memory
(1)
(2)
(2)
SS
Address Latch
Comparator
RA3 is only available when MCLR functionality is disabled.
OSC1/CLKIN and OSC2/CLKOUT are only available in select oscillator modes and when these pins are not being used
as digital I/O. Refer to
PIC18F13K50/PIC18F14K50 only.
inc/dec logic
Data Latch
BOR
21
PIC18F/LF1XK50 BLOCK DIAGRAM
Single-Supply
Programming
20
LFINTOSC
Oscillator
Oscillator
Oscillator
Regulator
8
Internal
16 MHz
Module
LDO
EEPROM
Block
USB
ECCP1
Data
PCLATU
Decode and
(3)
Table Latch
ROM Latch
Instruction
Section 2.0 “Oscillator Module”
Control
PCU
IR
Program Counter
31-Level Stack
STKPTR
PCLATH
PCH
Timer0
USB
Start-up Timer
Clock Monitor
8
Watchdog
Power-up
Power-on
Oscillator
Fail-Safe
State machine
control signals
Timer
Reset
Timer
PCL
Data Bus<8>
Preliminary
8
Timer1
MSSP
BITOP
BSR
for additional information.
Band Gap
Reference
Precision
4
3
8
Data Address<12>
EUSART
Timer2
Address
Decode
Address Latch
Data Memory
(512/768 bytes)
FSR0
FSR1
FSR2
inc/dec
Data Latch
logic
PRODH
8
ALU<8>
8 x 8 Multiply
12
W
12
8
FVR
8
Access
Bank
PRODL
Timer3
10-bit
4
ADC
12
8
8
8
8
CV
 2010 Microchip Technology Inc.
FVR
REF
PORTB
PORTA
PORTC
RB4
RB5
RB6
RB7
RA0
RA1
RA3
RA4
RA5
RC0
RC1
RC3
RC4
RC5
RC6
RC7
RC2