ATMEGA323-8AI Atmel, ATMEGA323-8AI Datasheet - Page 170
![IC AVR MCU 32K 8MHZ IND 44TQFP](/photos/6/70/67042/313-44-tqfp_sml.jpg)
ATMEGA323-8AI
Manufacturer Part Number
ATMEGA323-8AI
Description
IC AVR MCU 32K 8MHZ IND 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA323L-4PC.pdf
(247 pages)
Specifications of ATMEGA323-8AI
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
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
Other names
ATMEGA3238AI
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Internal signals
170
ATmega323(L)
Figure 91. Observe-only Cell
ATmega323 contains a lot of scan chains for internal signals. The description of these
signals are not public. However, the user must apply safe values to these cells before
applying the Update-DR state of the TAP controller.
Note:
Table 57. Boundary-Scan signals for the ADC
Signal Name
SIG_PRIVATE0
SIG_PRIVATE1
SIG_PRIVATE2
SIG_PRIVATE3
SIG_PRIVATE4
SIG_PRIVATE5
SIG_PRIVATE6
SIG_PRIVATE7
SIG_PRIVATE8
SIG_PRIVATE9
SIG_PRIVATE10
SIG_PRIVATE11
SIG_PRIVATE12
SIG_PRIVATE13
SIG_PRIVATE14
SIG_PRIVATE15
SIG_PRIVATE16
SIG_PRIVATE17
Incorrect setting of the scan cells for internal signals may cause signal contention and
can damage the part. Make sure the safe values are used.
From system pin
General Scan Cell
General Scan Cell
General Scan Cell
General Scan Cell
General Scan Cell
General Scan Cell
General Scan Cell
General Scan Cell
General Scan Cell
General Scan Cell
Type of scan cell
General Scan Cell
General Scan Cell
General Scan Cell
General Scan Cell
General Scan Cell
General Scan Cell
General Scan Cell
General Scan Cell
previous
From
cell
ShiftDR
0
1
ClockDR
Recommended input when not in use
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
D
FF1
Q
next
cell
To
To system logic
1457G–AVR–09/03
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