ATMEGA323L-4AI Atmel, ATMEGA323L-4AI Datasheet - Page 204
ATMEGA323L-4AI
Manufacturer Part Number
ATMEGA323L-4AI
Description
IC AVR MCU 32K LV 4MZ IND 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA323L-4PC.pdf
(247 pages)
Specifications of ATMEGA323L-4AI
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
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)
2.7 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
ATMEGA323L4AI
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Programming Command
Register
204
ATmega323(L)
Figure 101. Programming Enable Register
The Programming Command Register is a 15-bit register. This register is used to seri-
ally shift in programming commands, and to serially shift out the result of the previous
command, if any. The JTAG Programming Instruction Set is shown in Table 71. The
state sequence when shifting in the programming commands is illustrated in Figure 102.
Figure 102. Programming Command Register
TDO
TDI
D
A
T
A
$A370
=
TDO
TDI
R
O
D
D
R
D
S
T
B
E
S
A
E
S
S
A
T
A
/
ClockDR & PROG_ENABLE
EEPROM
Lock Bits
D
Fuses
Flash
Q
Programming enable
1457G–AVR–09/03
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