ATTINY13-20PJ Atmel, ATTINY13-20PJ Datasheet - Page 23
![IC MCU AVR 1K 5V 20MHZ 8DIP](/photos/6/50/65033/313-8-dip_sml.jpg)
ATTINY13-20PJ
Manufacturer Part Number
ATTINY13-20PJ
Description
IC MCU AVR 1K 5V 20MHZ 8DIP
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY13-20PJ
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
6
Program Memory Size
1KB (512 x 16)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
64 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
8-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Connectivity
-
Other names
ATTINY13-24PJ
ATTINY13-24PJ
ATTINY13-24PJ
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6. System Clock and Clock Options
6.1
6.1.1
6.1.2
6.1.3
2535J–AVR–08/10
Clock Systems and their Distribution
CPU Clock – clk
I/O Clock – clk
Flash Clock – clk
I/O
Figure 6-1
need not be active at a given time. In order to reduce power consumption, the clocks to modules
not being used can be halted by using different sleep modes, as described in
ment and Sleep Modes” on page
Figure 6-1.
The CPU clock is routed to parts of the system concerned with operation of the AVR core.
Examples of such modules are the General Purpose Register File, the Status Register and the
Data memory holding the Stack Pointer. Halting the CPU clock inhibits the core from performing
general operations and calculations.
The I/O clock is used by the majority of the I/O modules, like Timer/Counter. The I/O clock is
also used by the External Interrupt module, but note that some external interrupts are detected
by asynchronous logic, allowing such interrupts to be detected even if the I/O clock is halted.
The Flash clock controls operation of the Flash interface. The Flash clock is usually active simul-
taneously with the CPU clock.
CPU
FLASH
ADC
clk
presents the principal clock systems in the AVR and their distribution. All of the clocks
ADC
Clock Distribution
General I/O
Modules
External Clock
clk
I/O
30. The clock systems are detailed below.
Control Unit
AVR Clock
Multiplexer
Clock
Source clock
Reset Logic
CPU Core
clk
clk
CPU
FLASH
Watchdog Timer
Watchdog clock
RAM
Watchdog
Oscillator
“Power Manage-
Flash and
EEPROM
Calibrated RC
Oscillator
23
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