AT90S2313-10PC Atmel, AT90S2313-10PC Datasheet - Page 28
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AT90S2313-10PC
Manufacturer Part Number
AT90S2313-10PC
Description
IC MCU 2K FLSH 10MHZ UART 20DIP
Manufacturer
Atmel
Series
AVR® 90Sr
Datasheet
1.AT90S2313-10PC.pdf
(92 pages)
Specifications of AT90S2313-10PC
Core Processor
AVR
Core Size
8-Bit
Speed
10MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
15
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)
4 V ~ 6 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
20-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
-
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Manufacturer
Quantity
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The four different prescaled selections are: CK/8, CK/64, CK/256, and CK/1024, where
CK is the Oscillator clock. For the two Timer/Counters, added selections such as CK,
external clock source and stop can be selected as clock sources.
8-bit Timer/Counter0
Figure 29 shows the block diagram for Timer/Counter0.
The 8-bit Timer/Counter0 can select clock source from CK, prescaled CK or an external
p in . In a dd itio n, it can b e sto pp ed as de scribe d in the spe cifica tio n fo r th e
Timer/Counter0 Control Register (TCCR0). The Overflow Status Flag is found in the
Timer/Counter Interrupt Flag Register (TIFR). Control signals are found in the
Timer/Counter0 Control Register (TCCR0). The interrupt enable/disable settings for
Timer/Counter0 are found in the Timer/Counter Interrupt Mask Register (TIMSK).
When Timer/Counter0 is externally clocked, the external signal is synchronized with the
Oscillator frequency of the CPU. To assure proper sampling of the external clock, the
minimum time between two external clock transitions must be at least one internal CPU
clock period. The external clock signal is sampled on the rising edge of the internal CPU
clock.
The 8-bit Timer/Counter0 features both a high-resolution and a high-accuracy usage
with the lower prescaling opportunities. Similarly, the high prescaling opportunities make
the Timer/Counter0 useful for lower speed functions or exact timing functions with infre-
quent actions.
Figure 29. Timer/Counter0 Block Diagram
T0
AT90S2313
28
0839I–AVR–06/02