DM164120-2 Microchip Technology, DM164120-2 Datasheet - Page 13

• Manufacturer Part Number: DM164120-2
• Description: BOARD DEMO PICKIT 2 44PIN
• Manufacturer: Microchip Technology
• Type: MCUr

Specifications of DM164120-2

• Contents: 3 Boards (1 Populated, 2 Bare)
• Processor To Be Evaluated: PIC16F
• Silicon Manufacturer: Microchip
• Kit Contents: PIC16F Device, 2 PCB Boards
• Features: Small Surface Mount Prototype Area, Two Bare PCB Boards
• Development Tool Type: Hardware - Daughter Card
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: PIC16F887
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

2.1
2.2
© 2007 Microchip Technology Inc.
Chapter 2. Mid-Range PIC
MEMORY ORGANIZATION
INTRODUCTION
This chapter provides a simple overview of the mid-range PIC
architecture.
FIGURE 2-1:
PIC
This allows faster execution as the address and data busses are separate and do not
have to do double duty.
OSC1/CLKI
OSC2/CLKO
®
microcontrollers are designed with separate program and data memory areas.
Oscillator
Program
Internal
Block
Bus
Instruction Reg
Decode and
Generation
14
Instruction
Program
Memory
4k x 14
Control
Flash
Timing
SIMPLIFIED MID-RANGE PIC
DIAGRAM
®
Microcontroller Architectural Overview
8
13
8-Level Stack (13-bit)
Direct Addr
Program Counter
44-PIN DEMO BOARD
INT
®
7
MICROCONTROLLER BLOCK
8
USER’S GUIDE
3
W Reg
ALU
®
Addr MUX
microcontroller
256 bytes
Data Bus
Registers
STATUS Reg
RAM
File
FSR Reg
MUX
8
9
DS41296B-page 9
RAM Addr
Indirect
Addr
8