PIC16F1459-ISO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F1459-ISO

14/20-Pin Flash, 8-Bit USB Microcontrollers with XLP Technology

Microchip Technology 

2.0 ENHANCED MID-RANGE CPU

This family of devices contain an enhanced mid-range

8-bit CPU core. The CPU has 49 instructions. Interrupt

capability includes automatic context saving. The

hardware stack is 16 levels deep and has Overflow and

Underflow Reset capability. Direct, Indirect, and

FIGURE 2-1:

CORE BLOCK DIAGRAM

PIC16(L)F1454/5/9

Relative Addressing modes are available. Two File

Select Registers (FSRs) provide the ability to read

program and data memory.

• Automatic Interrupt Context Saving

• 16-level Stack with Overflow and Underflow

• File Select Registers

• Instruction Set

15

Configuration

15

Data Bus

8

Program Counter

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

Power-up

Timer

Power-on

Reset

Watchdog

Timer

Brown-out

Reset

3

MUX

ALU

8

W Reg

Internal

Oscillator

Block

VDD VSS

 2012 Microchip Technology Inc.

Preliminary

DS41639A-page 21

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