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PIC16F1459-EMLSQTP Datasheet(PDF) 21 Page - Microchip Technology

Part # PIC16F1459-EMLSQTP
Description  14/20-Pin Flash, 8-Bit USB Microcontrollers with XLP Technology
PDF  418 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F1459-EMLSQTP Datasheet(HTML) 21 Page - Microchip Technology

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 2012 Microchip Technology Inc.
Preliminary
DS41639A-page 21
PIC16(L)F1454/5/9
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
Data Bus
8
14
Program
Bus
Instruction reg
Program Counter
8 Level Stack
(13-bit)
Direct Addr 7
12
Addr MUX
FSR reg
STATUS reg
MUX
ALU
Instruction
Decode &
Control
Timing
Generation
OSC1/CLKIN
OSC2/CLKOUT
8
8
12
3
Internal
Oscillator
Block
Configuration
Data Bus
8
14
Program
Bus
Instruction reg
Program Counter
8 Level Stack
(13-bit)
Direct Addr 7
Addr MUX
FSR reg
STATUS reg
MUX
ALU
W Reg
Instruction
Decode &
Control
Timing
Generation
8
8
3
Internal
Oscillator
Block
Configuration
15
Data Bus
8
14
Program
Bus
Instruction Reg
Program Counter
16-Level Stack
(15-bit)
Direct Addr 7
RAM Addr
Addr MUX
Indirect
Addr
FSR0 Reg
STATUS Reg
MUX
ALU
Instruction
Decode and
Control
Timing
Generation
8
8
3
Internal
Oscillator
Block
Configuration
Flash
Program
Memory
RAM
FSR reg
FSR reg
FSR1 Reg
15
15
15
Program Memory
Read (PMR)
12
FSR reg
FSR reg
BSR Reg
5
Power-up
Timer
Power-on
Reset
Watchdog
Timer
VDD
Brown-out
Reset
VSS
VDD
VSS
VDD
VSS



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