ATTINY45-15SZ Atmel, ATTINY45-15SZ Datasheet - Page 14
![MCU AVR 4K FLASH 15MHZ 8-SOIC](/photos/6/50/65032/453-8-soic_sml.jpg)
ATTINY45-15SZ
Manufacturer Part Number
ATTINY45-15SZ
Description
MCU AVR 4K FLASH 15MHZ 8-SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY25-15MZ.pdf
(196 pages)
Specifications of ATTINY45-15SZ
Package / Case
8-SOIC (3.9mm Width)
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Speed
16MHz
Number Of I /o
6
Eeprom Size
256 x 8
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
256 x 8
Program Memory Size
4KB (4K x 8)
Data Converters
A/D 4x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity
USI
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATTINY45-15SZ
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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5.2
14
SRAM Data Memory
ATtiny25/45/85
Figure 5-1.
Figure 5-2
The lower 224/352/607 Data memory locations address both the Register File, the I/O memory
and the internal data SRAM. The first 32 locations address the Register File, the next 64 loca-
tions the standard I/O memory, and the last 128/256/512 locations address the internal data
SRAM.
The five different addressing modes for the Data memory cover: Direct, Indirect with Displace-
ment, Indirect, Indirect with Pre-decrement, and Indirect with Post-increment. In the Register
File, registers R26 to R31 feature the indirect addressing pointer registers.
The direct addressing reaches the entire data space.
The Indirect with Displacement mode reaches 63 address locations from the base address given
by the Y- or Z-register.
When using register indirect addressing modes with automatic pre-decrement and post-incre-
ment, the address registers X, Y, and Z are decremented or incremented.
The 32 general purpose working registers, 64 I/O Registers, and the 128/256/512 bytes of inter-
nal data SRAM in the ATtiny25/45/85 are all accessible through all these addressing modes.
The Register File is described in
Figure 5-2.
shows how the ATtiny25/45/85 SRAM Memory is organized.
Program Memory Map
Data Memory Map
(128/256/512 x 8)
64 I/O Registers
Data Memory
Internal SRAM
32 Registers
“General Purpose Register File” on page
Program Memory
0x0DF/0x015F/0x025F
0x0000 - 0x001F
0x0020 - 0x005F
0x0060
0x03FF/0x07FF
0x0000
9.
7598H–AVR–07/09
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