ATTINY4313-MU Atmel, ATTINY4313-MU Datasheet - Page 16
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ATTINY4313-MU
Manufacturer Part Number
ATTINY4313-MU
Description
IC MCU AVR 4K FLASH 20QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY4313-MU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
18
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
Processor Series
ATtiny
Core
AVR
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
SPI, USART, USI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
18
Number Of Timers
2
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY4313-MU
Manufacturer:
HITTITE
Quantity:
101
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5.2
5.2.1
16
SRAM Data Memory
ATtiny2313A/4313
Data Memory Access Times
Figure 5-2
The lower 224/352 data memory locations address both the Register File, the I/O memory,
Extended I/O memory, and the internal data SRAM. The first 32 locations address the Register
File, the next 64 location the standard I/O memory, and the next 128/256 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 bytes of internal
data SRAM in the ATtiny2313A/4313 are all accessible through all these addressing modes.
The Register File is described in
Figure 5-2.
This section describes the general access timing concepts for internal memory access. The
internal data SRAM access is performed in two clk
shows how the ATtiny2313A/4313 SRAM Memory is organized.
Data Memory Map
64 I/O Registers
Data Memory
Internal SRAM
32 Registers
(128/256 x 8)
“General Purpose Register File” on page
0x00DF/15F
0x0000 - 0x001F
0x0020 - 0x005F
0x0060
CPU
cycles as described in
9.
Figure
8246A–AVR–11/09
5-3.
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