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See Technical Specifications

AT80251G2D-SLSUM +BOM

8-bit Microcontrollers - MCU ROMless 8/16bit 5V 24MHz

Manufacturer:

MICROCHIP
Mfr.Part #:

AT80251G2D-SLSUM
Datasheet:

AT80251G2D-SLSUM Datasheet (PDF)
Part Life Cycle Code:

Active
Reach Compliance Code:

compliant
Has ADC:

NO
Address Bus Width:

16
EDA/CAD Models:

Request Free CAD Models for AT80251G2D-SLSUM

Email: [email protected]

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AT80251G2D-SLSUM General Description

C251 8x251 Microcontroller IC 8/16-Bit 24MHz ROMless 44-PLCC (16.6x16.6)

Key Features

Pin and Software Compatibility with Standard 80C51 Products and 80C51Fx/Rx/Rx+
Plug-In Replacement of Intel’s 8xC251Sx
C251 Core: Intel’s MCS®251 D-step Compliance
40-byte Register File
Registers Accessible as Bytes, Words or Dwords
Three-stage Instruction Pipeline
16-bit Internal Code Fetch
Enriched C51 Instruction Set
16-bit and 32-bit ALU
Compare and Conditional Jump Instructions
Expanded Set of Move Instructions
Linear Addressing
1 Kbyte of On-Chip RAM
External Memory Space (Code/Data) Programmable from 64 kilobytes to 256 kilobytes
TSC87251G2D: 32 kilobytes of On-Chip EPROM/OTPROM
– SINGLE PULSE Programming Algorithm
TSC83251G2D: 32 kilobytes of On-Chip Masked ROM
TSC80251G2D: ROMless Version
Four 8-bit Parallel I/O Ports (Ports 0, 1, 2 and 3 of the Standard 80C51)
Serial I/O Port: Full Duplex UART (80C51 Compatible) With Independent Baud Rate Generator
SSLC: Synchronous Serial Link Controller
TWI Multi-master Protocol
μWire and SPI Master and Slave Protocols
Three 16-bit Timers/Counters (Timers 0, 1 and 2 of the Standard 80C51)
EWC: Event and Waveform Controller
Compatible with Intel’s Programmable Counter Array (PCA)
Common 16-bit Timer/Counter Reference with Four Possible Clock Sources (Fosc/4, Fosc/12, Timer 1 and External Input)
Five Modules, Each with Four Programmable Modes:
– 16-bit Software Timer/Counter
– 16-bit Timer/Counter Capture Input and Software Pulse Measurement
– High-speed Output and 16-bit Software Pulse Width Modulation (PWM)
– 8-bit Hardware PWM Without Overhead
16-bit Watchdog Timer/Counter Capability
Secure 14-bit Hardware Watchdog Timer
Power Management
Power-On Reset (Integrated on the Chip)
Power-Off Flag (Cold and Warm Resets)
Software Programmable System Clock
Idle Mode
Power-down Mode
Keyboard Interrupt Interface on Port 1
Non Maskable Interrupt Input (NMI)
Real-Time Wait States Inputs (WAIT#/AWAIT#)
ONCE Mode and Full Speed Real-time In-circuit Emulation Support (Third Party Vendors)
High Speed Versions:
– 4.5V to 5.5V
– 16 MHz and 24 MHz
Typical Operating Current: 35 mA at 24 MHz 24 mA at 16 MHz
Typical Power-down Current: 2 μA
Low Voltage Version:
– 2.7V to 5.5V
– 16 MHz
Typical Operating Current:11 mA at 3V
Typical Power-down Current: 1 μA
Temperature Ranges: Commercial (0°C to +70°C), Industrial (-40°C to +85°C), Automotive ((-40°C to +85°C) ROM only)
Option: Extended Range (-55°C to +125°C)
Packages: PDIL 40, PLCC 44 and VQFP 44
Options: Known Good Dice and Ceramic Packages

Specifications

Part Life Cycle Code	Active	Reach Compliance Code	compliant
Has ADC	NO	Address Bus Width	16
Bit Size	16	Boundary Scan	NO
CPU Family	C251	Clock Frequency-Max	24 MHz
DAC Channels	NO	DMA Channels	NO
External Data Bus Width	8	Format	FIXED POINT
Integrated Cache	NO	JESD-30 Code	S-PQCC-J44
Length	16.55 mm	Low Power Mode	YES
Number of External Interrupts	2	Number of I/O Lines	32
Number of Serial I/Os	1	Number of Terminals	44
Number of Timers	3	On Chip Data RAM Width	8
Operating Temperature-Max	85 °C	Operating Temperature-Min	-40 °C
PWM Channels	YES	RAM (bytes)	1024
ROM (words)	0	Seated Height-Max	4.57 mm
Speed	24 MHz	Supply Current-Max	40 mA
Supply Voltage-Max	5.5 V	Supply Voltage-Min	4.5 V
Supply Voltage-Nom	5 V	Surface Mount	YES
Technology	CMOS	Terminal Form	J BEND
Terminal Pitch	1.27 mm	Terminal Position	QUAD
Width	16.55 mm	uPs/uCs/Peripheral ICs Type	MICROCONTROLLER