Microchip: Enhanced Flash Microcontroller DIP40 - PIC18F452-I/P

FEATURES:

Power Management Features

1. Run: CPU on, Peripherals on
2. Idle: CPU off, Peripherals on
3. Sleep: CPU off, Peripherals off
4. Timer1 Oscillator: 900 nA, 32 kHz, 2V
5. Watchdog Timer: 1.4 μA, 2V Typical
6. Two-Speed Oscillator Start-up

Flexible Oscillator Structure:

1. Four Crystal modes, up to 40 MHz
2. 4x Phase Lock Loop (PLL) – Available for Crystal and Internal Oscillators
3. Two External RC modes, up to 4 MHz
4. Two External Clock modes, up to 40 MHz

Internal Oscillator Block:

1. Fast wake from Sleep and Idle, 1 μs typical
2. 8 use-selectable frequencies, from 31 kHz to 8 MHz
3. Provides a complete range of clock speeds from 31 kHz to 32 MHz when used with PLL
4. User-tunable to compensate for frequency drift
5. Secondary Oscillator using Timer1/32 kHz

Fail-Safe Clock Monitor:

1. Allows for safe shutdown if peripheral clock stops

Peripheral Highlights:

1. High-Current Sink/Source 25 mA/25 mA
2. Three Programmable External Interrupts
3. Four Input Change Interrupts
4. Up to 2 Capture/Compare/PWM (CCP) modules, one with Auto-Shutdown (28-pin devices)
5. Programmable dead time
6. Auto-shutdown and auto-restart

Enhanced Addressable USART module:

1. Supports RS-485, RS-232 and LIN/J2602
2. RS-232 operation using internal oscillator block (no external crystal required)
3. Auto-wake-up on Start bit
4. Auto-Baud Detect
5. 10-Bit, up to 13-Channel Analog-to-Digital (A/D)

Converter module:

1. Auto-acquisition capability
2. Conversion available during Sleep
3. Dual Analog Comparators with Input Multiplexing
4. Programmable 16-Level High/Low-Voltage

Detection (HLVD) module:

1. Supports interrupt on High/Low-Voltage Detection
2. Programmable Brown-out Reset (BOR) with Software Enable Option

SPECIFICATIONS:

1. Wide Operating Voltage Range: 2.0V to 5.5V
2. 40-pin Low Power Microcontroller
3. Flash Program Memory: 32 kbytes
4. EEPROM Data Memory: 256 bytes
5. SRAM Data Memory: 1536 bytes
6. I/O Pins: 36
7. Timers: One 8-bit / Three 16-Bit
8. A/D Converter: 10-bit Thirteen Channels
9. PWM: 10-bit Two Modules
10. Enhanced USART: Addressable with RS-485, RS-232 and LIN Support
11. MSSP: SPI and I²C Master and Slave Support
12. External Oscillator: up to 40MHz
13. Internal Oscillator: 8MHz

RELATED DOCUMENTS:

1. Datasheet.

PIN CONFIGURATIONS:

PACKAGE INCLUDES:

1. 1 X Enhanced Flash Microcontroller PIC18F452 (DIP-40)