PIC18F44J50-I/SPSQTP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18F44J50-I/SPSQTP

28/44-Pin, Low-Power, High-Performance USB Microcontrollers with nanoWatt XLP Technology

Microchip Technology 

PIC18F46J50 FAMILY

FIGURE 1-1:

PIC18F2XJ50 (28-PIN) BLOCK DIAGRAM

Table Pointer<21>

inc/dec logic

21

20

Address Latch

Program Memory

(16 Kbytes-64 Kbytes)

Data Latch

8

Data Bus<8>

88

PCLATU PCLATH

PCU PCH PCL

Program Counter

31-Level Stack

STKPTR

Table Latch

Data Latch

Data Memory

(3.8 Kbytes)

Address Latch

12

Data Address<12>

4

BSR

12

FSR0

FSR1

FSR2

4

Access

Bank

12

inc/dec

logic

ROM Latch

Instruction Bus <16>

IR

Address

Decode

OSC2/CLKO

OSC1/CLKI

VUSB

Timing

Generation

8 MHz

INTOSC

INTRC

Oscillator

USB

Module

Precision

Band Gap

Reference

Voltage

Regulator

Instruction

Decode and

Control

State Machine

Control Signals

8

PRODH PRODL

Power-up

Timer

Oscillator

Start-up Timer

Power-on

Reset

Watchdog

Timer

Brown-out

Reset(2)

3

BITOP

8

8 x 8 Multiply

8

W

8

8

8

8

ALU<8>

8

RTCC

VDDCORE/VCAP VDD,VSS

MCLR

HLVD

ADC

10-Bit

Timer0 Timer1 Timer2

Timer3

Timer4 Comparators

PORTA

RA0:RA7(1)

PORTB

RB0:RB7(1)

PORTC

RC0:RC7(1)

CTMU

ECCP1

ECCP2

EUSART1

EUSART2

MSSP1

MSSP2

USB

Note 1: See Table 1-3 for I/O port pin descriptions.

2: BOR functionality is provided when the on-board voltage regulator is enabled.

DS39931D-page 14

 2011 Microchip Technology Inc.

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