AT90LS4434-4AC ATMEL Corporation, AT90LS4434-4AC Datasheet

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AT90LS4434-4AC

Manufacturer Part Number
AT90LS4434-4AC
Description
8-Bit microcontroller with 4K bytes in-system programmable flash, 2.7-6.0V pover supply, 4MHz speed
Manufacturer
ATMEL Corporation
Datasheet
Features
Description
The AT90S4434/8535 is a low-power CMOS 8-bit microcontroller based on the AVR
enhanced RISC architecture. By executing powerful instructions in a single clock
cycle, the AT90S4434/8535 achieves throughputs approaching 1 MIPS per MHz
allowing the system designer to optimize power consumption versus processing
speed.
Pin Configurations
Utilizes the AVR
AVR - High Performance and Low Power RISC Architecture
118 Powerful Instructions - Most Single Clock Cycle Execution
8K bytes of In-System Programmable Flash AT90S/LS8535
4K bytes of In-System Programmable Flash AT90S/LS4434
512 bytes EEPROM AT90S/LS8535
256 bytes EEPROM AT90S/LS4434
512 bytes Internal SRAM AT90S/LS8535
256 bytes Internal SRAM AT90S/LS4434
8-Channel, 10-Bit ADC
32 x 8 General Purpose Working Registers
32 Programmable I/O Lines
Programmable Serial UART
V
V
Speed Grades:
0 - 8 MHz AT90S4434/AT90S8535,
0 - 4 MHz (AT90LS4434/AT90LS8535
Power-On Reset Circuit
Up to 8 MIPS Throughput at 8 MHz
RTC with Separate Oscillator and Counter Mode
Two 8-Bit Timer/Counters with Separate Prescaler and Compare Mode
One 16-Bit Timer/Counter with Separate Prescaler and Compare and Capture Modes
3 PWM channels
External and Internal Interrupt Sources
Programmable Watchdog Timer with On-Chip Oscillator
On-Chip Analog Comparator
Three Sleep Modes: Idle, Power Save, and Power Down
Programming Lock for Software Security
CC
CC
– SPI Serial Interface for In-System Programming
– Endurance: 1,000 Write/Erase Cycles
– Endurance: 100,000 Write/Erase Cycles
: 4.0 - 6.0V AT90S4434/AT90S8535
: 2.7 - 6.0V AT90LS4434/AT90LS8535
®
Enhanced RISC Architecture
Note: This is a summary document. For the complete 80 page
document, please visit our website at www.atmel.com or e-mail at
literature@atmel.com and request literature #1041A.
(continued)
®
8-Bit
Microcontroller
with 4K/8K
Bytes In-System
Programmable
Flash
AT90S4434
AT90LS4434
AT90S8535
AT90LS8535
Advance
Information
Rev. 1041AS–05/98
1

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AT90LS4434-4AC Summary of contents

Page 1

... General Purpose Working Registers • 32 Programmable I/O Lines • Programmable Serial UART • 4.0 - 6.0V AT90S4434/AT90S8535 CC • 2.7 - 6.0V AT90LS4434/AT90LS8535 CC • Speed Grades MHz AT90S4434/AT90S8535 MHz (AT90LS4434/AT90LS8535 • Power-On Reset Circuit • MIPS Throughput at 8 MHz • RTC with Separate Oscillator and Counter Mode • ...

Page 2

Block Diagram VCC GND AVCC AGND AREF PROGRAM COUNTER PROGRAM INSTRUCTION REGISTER INSTRUCTION DECODER CONTROL PROGRAMMING The AVR core combines a rich instruction set with 32 gen- eral purpose working registers. All the 32 registers are directly connected to the ...

Page 3

SPI serial interface conventional nonvol- atile memory programmer. By combining an 8-bit RISC CPU with In-System Programmable Flash on a monolithic chip, the Atmel AT90S4434/8535 is a ...

Page 4

Figure 1. Oscillator Connections Architectural Overview The fast-access register file concept contains 32 x 8-bit general purpose working registers with a single clock cycle access time. This means that during one single clock cycle, one Arithmetic Logic Unit (ALU) operation ...

Page 5

The ALU supports arithmetic and logic functions between registers or between a constant and a register. Single reg- ister operations are also executed in the ALU. Figure 3 shows the AT90S4434/8535 AVR Enhanced RISC micro- controller architecture. In addition to ...

Page 6

AT90S4434/8535 Register Summary Address Name Bit 7 $3F ($5F) SREG I $3E ($5E) SPH - $3D ($5D) SPL SP7 $3C ($5C) Reserved $3B ($5B) GIMSK INT1 $3A ($5A) GIFR INTF1 $39 ($59) TIMSK OCIE2 $38 ($58) TIFR OCF2 $37 ($57) ...

Page 7

AT90S4434/8535 Instruction Set Summary Mnemonics Operands Description ARITHMETIC AND LOGIC INSTRUCTIONS ADD Rd, Rr Add two Registers ADC Rd, Rr Add with Carry two Registers ADIW Rdl,K Add Immediate to Word SUB Rd, Rr Subtract two Registers SUBI Rd, K ...

Page 8

Mnemonics Operands Description DATA TRANSFER INSTRUCTIONS MOV Rd, Rr Move Between Registers LDI Rd, K Load Immediate LD Rd, X Load Indirect LD Rd, X+ Load Indirect and Post-Inc Load Indirect and Pre-Dec. LD Rd, Y ...

Page 9

... Lead, Thin (1.0mm) Plastic Gull Wing Quad Flat Package (TQFP) 44J 44 Lead, Plastic J-Leaded Chip Carrier (PLCC) 40P6 40 Lead, 0.600" Wide, Plastic Dual in Line Package (PDIP) Ordering Code Package AT90LS4434-4AC 44A AT90LS4434-4JC 44J AT90LS4434-4PC 40P6 AT90LS4434-4AI 44A AT90LS4434-4JI 44J AT90LS4434-4PI ...

Page 10

Packaging Information 44A, 44-Lead, Thin (1.0 mm) Plastic Gull Wing Quad Flat Package (TQFP) Dimensions in Millimeters and (Inches) *Controlling dimension: millimeters 40P6, 40-Lead, 0.600" Wide, Plastic Dual Inline Package (PDIP) Dimensions in Inches and (Millimeters) JEDEC STANDARD MS-011 AC ...

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