PIC16F1507-ESLASHSS. datasheet(11/278 Pages) MICROCHIP

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DS40001586D-page 11

PIC16(L)F1507

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

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

FIGURE 2-1:

CORE BLOCK DIAGRAM

Program Counter

MUX

Addr MUX

16-Level Stack

(15-bit)

Program Memory

Read (PMR)

Instruction Reg

Configuration

FSR0 Reg

FSR1 Reg

BSR Reg

STATUS Reg

RAM

WReg

Power-up

Timer

Power-on

Reset

Watchdog

Timer

Brown-out

Reset

Instruction

Decode and

Control

Timing

Generation

Internal

Oscillator

Block

ALU

Flash

Program

Memory

Data Bus

Program

Bus

Direct Addr

Indirect

Addr

RAM Addr

CLKIN

CLKOUT

VDD

VSS

Rev. 10-000055A

7/30/2013

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