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M-CAS-R80515 датащи(PDF) 1 Page - List of Unclassifed Manufacturers

номер детали M-CAS-R80515
подробное описание детали  8-bit Microcontroller
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M-CAS-R80515 датащи(HTML) 1 Page - List of Unclassifed Manufacturers

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R80515
8-bit Microcontroller
Megafunction
General Description
The R80515 is a fast, single-chip, 8-bit microcontroller that executes all ASM51 instructions. It has the same
instruction set as the 80C31, but executes operations an average of 8 times faster.
The R80515 provides software and hardware interrupts, extra timer features, power management, and Infinion
peripherals support. On-chip debugging is an option.
The microcode-free, strictly synchronous design was developed for reuse in ASICs and FPGAs.
Features
Single clock per machine cycle
Reduced instruction cycle time up to 12 times
8-bit Control Unit
8-bit Arithmetic-Logic Unit
Multiplication/Division Unit
o
16 x 16-bit multiplication and division; 32 / 16-bit division
Four 8-bit Input/Output ports
Alternate port functions such as external interrupts & serial interface are separated, providing extra port
pins when compared with the standard 8051
Three 16-bit Timer/Counters
Compare/Capture Unit
Two Serial Peripheral Interfaces in full duplex mode
Four priority/thirteen sources Interrupt Controller
15-bit Programmable Watchdog Timer
Internal Data Memory interface can address up to 256 bytes of Read/Write Data Memory Space
External Memory interface
o
Can address up to 64 K bytes of External Program Memory Space
o
Can address up to 64K bytes of External Data Memory Space
o
De-multiplexed address/data bus to allow easy connection to memories
o
Variable length MOVX to access fast/slow RAM or peripherals
o
Variable length code fetch and MOVC to access fast/slow program memory
o
Dual data pointer for fast data block transfers
Special Function Registers interface: serves up to 74 external registers
Power Management Unit
Optional JTAG debugging
CAST, Inc.
March 2004
Page 1


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