AT90S8515-4AI Atmel, AT90S8515-4AI Datasheet - Page 64
AT90S8515-4AI
Manufacturer Part Number
AT90S8515-4AI
Description
IC MCU 8K FLSH 4MHZ LV IT 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 AT90S8515-4AI
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
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)
2.7 V ~ 6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
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Port A Schematics
64
AT90S8515
PORTAn has to be cleared (zero) or the pin has to be configured as an output pin. The
Port A pins are tri-stated when a reset condition becomes active, even if the clock is not
active..
Table 19. DDAn Effects on Port A Pins
Note:
Note that all port pins are synchronized. The synchronization latch is, however, not
shown in the figure.
Figure 45. Port A Schematic Diagrams (Pins PA0 - PA7)
DDAn
0
0
1
1
n: 7,6…0, pin number.
PORTAn
0
1
0
1
Output
Output
Input
Input
I/O
Pull-up
Yes
No
No
No
Comment
Tri-state (high-Z)
PAn will source current if ext. pulled low.
Push-pull Zero Output
Push-pull One Output
0841G–09/01
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