ATMEGA323-8AC Atmel, ATMEGA323-8AC Datasheet - Page 207
![IC AVR MCU 32K 8MHZ COM 44TQFP](/photos/6/70/67042/313-44-tqfp_sml.jpg)
ATMEGA323-8AC
Manufacturer Part Number
ATMEGA323-8AC
Description
IC AVR MCU 32K 8MHZ COM 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA323L-4PC.pdf
(247 pages)
Specifications of ATMEGA323-8AC
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
0°C ~ 70°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
ATMEGA3238AC
- Current page: 207 of 247
- Download datasheet (4Mb)
1457G–AVR–09/03
Figure 103. State Machine Sequence for Changing / Reading the Data Word
1
0
Test-Logic-Reset
4. Set bits to “0” to program the corresponding lock bit,
5.
6. a = address High Byte; b = address Low Byte; i = data in; o = data out; 1 = lock bit 1;
Run-Test/Idle
unchanged.
“0”
2 = lock bit 2; 3 = Boot Lock Bit01;
4 = Boot Lock Bit02; 5 = Boot Lock Bit11; 6 = Boot Lock Bit12; 7 = CKSEL0 Fuse; 8 =
CKSEL1 Fuse; 9 = CKSEL2 Fuse;
A = CKSEL3 Fuse; B = BODEN Fuse; C = BODLEVEL Fuse; D = BOOTRST Fuse; E
= BOOTSZ0 Fuse; F = BOOTSZ1 Fuse; G = EESAVE Fuse; H = JTAGEN Fuse; I =
OCDEN Fuse
= programmed,
0
1
“1”
1
0
= unprogrammed.
Select-DR Scan
Capture-DR
Update-DR
Pause-DR
Exit1-DR
Exit2-DR
Shift-DR
1
0
0
1
0
1
1
0
1
1
0
0
ATmega323(L)
1
0
“1”
Select-IR Scan
Capture-IR
Update-IR
to leave the lock bit
Pause-IR
Exit1-IR
Exit2-IR
Shift-IR
1
0
0
1
0
1
1
0
1
1
207
0
0
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