AT90S8515A-8AC Atmel, AT90S8515A-8AC Datasheet - Page 33
AT90S8515A-8AC
Manufacturer Part Number
AT90S8515A-8AC
Description
IC MCU 8K FLSH 8MHZ 44TQFP
Manufacturer
Atmel
Series
AVR® 90Sr
Datasheets
1.AT90S8515-4AC.pdf
(112 pages)
2.AT90S8515-4AC.pdf
(4 pages)
3.AT90S8515-4AC.pdf
(4 pages)
Specifications of AT90S8515A-8AC
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 6 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
-
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Timer/Counter0 Control
Register – TCCR0
0841G–09/01
Figure 29. Timer/Counter0 Block Diagram
• Bits 7..3 – Res: Reserved Bits
These bits are reserved bits in the AT90S8515 and always read as zero.
• Bits 2, 1, 0 – CS02, CS01, CS00: Clock Select0, Bits 2, 1 and 0
The Clock Select0 bits 2, 1 and 0 define the prescaling source of Timer/Counter0.
Table 7. Clock 0 Prescale Select
Bit
$33 ($53)
Read/Write
Initial Value
CS02
0
0
0
0
1
1
1
1
CS01
R
7
–
0
0
0
1
1
0
0
1
1
R
6
–
0
CS00
0
1
0
1
0
1
0
1
R
5
–
0
Description
Stop, the Timer/Counter0 is stopped.
CK
CK/8
CK/64
CK/256
CK/1024
External Pin T0, falling edge
External Pin T0, rising edge
4
–
R
0
R
0
3
–
CS02
R/W
2
0
CS01
AT90S8515
R/W
1
0
CS00
R/W
0
0
TCCR0
33
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