ATTINY2313-20SI Atmel, ATTINY2313-20SI Datasheet - Page 81
ATTINY2313-20SI
Manufacturer Part Number
ATTINY2313-20SI
Description
IC MCU AVR 2K FLASH 20SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY2313-20SI
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
18
Program Memory Size
2KB (1K x 16)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
-
Other names
ATTINY2313-24SI
ATTINY2313-24SI
ATTINY2313-24SI
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General Timer/Counter
Control Register –
GTCCR
2543L–AVR–08/10
quency (Nyquist sampling theorem). However, due to variation of the system clock frequency
and duty cycle caused by Oscillator source (crystal, resonator, and capacitors) tolerances, it is
recommended that maximum frequency of an external clock source is less than f
An external clock source can not be prescaled.
Figure 39. Prescaler for Timer/Counter0 and Timer/Counter1
Note:
• Bits 7..1 – Res: Reserved Bits
These bits are reserved bits in the ATtiny2313 and will always read as zero.
• Bit 0 – PSR10: Prescaler Reset Timer/Counter1 and Timer/Counter0
When this bit is one, Timer/Counter1 and Timer/Counter0 prescaler will be Reset. This bit is nor-
mally cleared immediately by hardware. Note that Timer/Counter1 and Timer/Counter0 share
the same prescaler and a reset of this prescaler will affect both timers.
Bit
Read/Write
Initial Value
PSR10
clk
T0
T1
I/O
1. The synchronization logic on the input pins (
Synchronization
Synchronization
—
R
7
0
R
6
–
0
R
5
–
0
clk
Clear
T1
R
4
–
0
R
3
–
0
T1/T0)
is shown in
R
2
–
0
(1)
—
R
1
0
Figure
PSR10
R/W
0
0
38.
clk
T0
GTCCR
clk_I/O
/2.5.
81
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