ATTINY25V-15ST Atmel, ATTINY25V-15ST Datasheet - Page 9
![MCU AVR 2K FLASH 4MHZ 8-SOIC](/photos/6/50/65032/453-8-soic_sml.jpg)
ATTINY25V-15ST
Manufacturer Part Number
ATTINY25V-15ST
Description
MCU AVR 2K FLASH 4MHZ 8-SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY25-15MZ.pdf
(196 pages)
Specifications of ATTINY25V-15ST
Package / Case
8-SOIC (3.9mm Width)
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Speed
8MHz
Number Of I /o
6
Eeprom Size
128 x 8
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
128 x 8
Program Memory Size
2KB (2K x 8)
Data Converters
A/D 4x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity
USI
Core Size
8-Bit
Processor Series
ATTINY2x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
128 B
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATTINY25V-15ST
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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4.5
7598H–AVR–07/09
General Purpose Register File
The Register File is optimized for the AVR Enhanced RISC instruction set. In order to achieve
the required performance and flexibility, the following input/output schemes are supported by the
Register File:
Figure 4-2
Figure 4-2.
Most of the instructions operating on the Register File have direct access to all registers, and
most of them are single cycle instructions.
As shown in
directly into the first 32 locations of the user Data Space. Although not being physically imple-
mented as SRAM locations, this memory organization provides great flexibility in access of the
registers, as the X-, Y- and Z-pointer registers can be set to index any register in the file.
• One 8-bit output operand and one 8-bit result input
• Two 8-bit output operands and one 8-bit result input
• Two 8-bit output operands and one 16-bit result input
• One 16-bit output operand and one 16-bit result input
Registers
General
Purpose
Working
shows the structure of the 32 general purpose working registers in the CPU.
Figure
AVR CPU General Purpose Working Registers
4-2, each register is also assigned a Data memory address, mapping them
7
R13
R14
R15
R16
R17
R26
R27
R28
R29
R30
R31
R0
R1
R2
…
…
0
Addr.
0x0D
0x0E
0x0F
0x1A
0x1B
0x1C
0x1D
0x1E
0x1F
0x00
0x01
0x02
0x10
0x11
X-register High Byte
Y-register High Byte
Z-register High Byte
X-register Low Byte
Y-register Low Byte
Z-register Low Byte
ATtiny25/45/85
9
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