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DS80C310-QNG+T&R;

Description
IC MCU 8BIT ROMLESS 44PLCC
Categorysemiconductor    The embedded processor and controller   
File Size376KB,22 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric Compare View All

DS80C310-QNG+T&R; Overview

IC MCU 8BIT ROMLESS 44PLCC

DS80C310-QNG+T&R; Parametric

Parameter NameAttribute value
core processor8051
core size8-bit
speed25MHz
ConnectivityEBI/EMI,SIO,UART/USART
PeripheralUndervoltage detection/reset, POR
Number of I/Os32
Program storage capacity-
Program memory typeROMless
EEPROM capacity-
RAM capacity256 x 8
Voltage - Power Supply (Vcc/Vdd)4.5 V ~ 5.5 V
data converter-
Oscillator typeexternal
Operating temperature-40°C ~ 85°C(TA)
Package/casing44-LCC (J-lead)
Supplier device packaging44-PLCC(16.59x16.59)
19-4859; Rev 8/09
DS80C310
High-Speed Microcontroller
www.maxim-ic.com
GENERAL DESCRIPTION
The DS80C310 is a fast 80C31/80C32-compatible
microcontroller. It features a redesigned processor
core without wasted clock and memory cycles. As a
result, it executes every 8051 instruction between 1.5x
and 3x faster than the original architecture for the
same crystal speed. Typical applications have a speed
improvement of 2.5x using the same code and the
same crystal. The DS80C310 offers a 25MHz
maximum crystal speed, resulting in apparent
execution speeds of 62.5MHz (approximately 2.5x).
The DS80C310 is pin compatible with the standard
80C32 and includes standard resources such as three
timer/counters, 256 bytes of RAM, and a serial port. It
also provides dual data pointers (DPTRs) to speed
block data memory moves. It also can adjust the speed
of MOVX data memory access between two and nine
machine cycles for flexibility in selecting external
memory and peripherals. The DS80C310 offers
upward compatibility with the DS80C320.
PIN CONFIGURATIONS
TOP VIEW
FEATURES
80C32 Compatible
8051 Pin and Instruction Set Compatible
Full-Duplex Serial Port
Three 16-Bit Timer/Counters
256 Bytes Scratchpad RAM
Multiplexed Address/Data Bus
Addresses 64kB ROM and 64kB RAM
High-Speed Architecture
4 Clocks/Machine Cycle (8051 = 12)
Runs DC to 25MHz Clock Rates
Single-Cycle Instruction in 160ns
Dual Data Pointer
Optional Variable Length MOVX to Access
Fast/Slow RAM /Peripherals
10 Total Interrupt Sources with 6 External
Internal Power-On Reset Circuit
Upwardly Compatible with the DS80C320
Available in 40-Pin Plastic DIP, 44-Pin PLCC,
and 44-Pin TQFP
Note:
Designers must have two documents to fully use all the features
of this device: this data sheet and the High-Speed Microcontroller
User’s Guide, available on our website at
www.maxim-
ic.com/microcontrollers
. Data sheets contain pin descriptions,
feature overviews, and electrical specifications, whereas the user’s
guide contains detailed information about device features and
operation.
Note:
Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here:
www.maxim-ic.com/errata.
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DS80C310-QNG+T&R; Related Products

DS80C310-QNG+T&R; DS80C310-QNG/T&R; DS80C310-QCG/T&R; DS80C310-QCG+T&R; DS80C310+QCG DS80C310+QNG
Description IC MCU 8BIT ROMLESS 44PLCC IC MCU 8BIT ROMLESS 44PLCC IC MCU 8BIT ROMLESS 44PLCC IC MCU 8BIT ROMLESS 44PLCC Microcontroller, 8-Bit, 8051 CPU, 25MHz, CMOS, PQCC44 Microcontroller, 8-Bit, 8051 CPU, 25MHz, CMOS, PQCC44,
speed 25MHz 25MHz 25MHz 25MHz 25 MHz 25 MHz
core processor 8051 8051 8051 8051 - -
core size 8-bit 8-bit 8-bit 8-bit - -
Connectivity EBI/EMI,SIO,UART/USART EBI/EMI,SIO,UART/USART EBI/EMI,SIO,UART/USART EBI/EMI,SIO,UART/USART - -
Peripheral Undervoltage detection/reset, POR Undervoltage detection/reset, POR Undervoltage detection/reset, POR Undervoltage detection/reset, POR - -
Number of I/Os 32 32 32 32 - -
Program memory type ROMless ROMless ROMless ROMless - -
RAM capacity 256 x 8 256 x 8 256 x 8 256 x 8 - -
Voltage - Power Supply (Vcc/Vdd) 4.5 V ~ 5.5 V 4.5 V ~ 5.5 V 4.5 V ~ 5.5 V 4.5 V ~ 5.5 V - -
Oscillator type external external external external - -
Operating temperature -40°C ~ 85°C(TA) -40°C ~ 85°C(TA) 0°C ~ 70°C(TA) 0°C ~ 70°C(TA) - -
Package/casing 44-LCC (J-lead) 44-LCC (J-lead) 44-LCC (J-lead) 44-LCC (J-lead) - -
Supplier device packaging 44-PLCC(16.59x16.59) 44-PLCC(16.59x16.59) 44-PLCC(16.59x16.59) 44-PLCC(16.59x16.59) - -
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