ATMEGA16A-MUR Atmel, ATMEGA16A-MUR Datasheet - Page 262
ATMEGA16A-MUR
Manufacturer Part Number
ATMEGA16A-MUR
Description
MCU AVR 16KB FLASH 16MHZ 44QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA16A-MU.pdf
(352 pages)
Specifications of ATMEGA16A-MUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K 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
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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25.8.13
262
ATmega16A
ATmega16A Boot Loader Parameters
In
ming are given.
Table 25-6.
Note:
Table 25-7.
Note:
BOOTSZ1
1
1
0
0
Section
Read-While-Write section (RWW)
No Read-While-Write section (NRWW)
Table 25-6
Do_spm:
Wait_spm:
Wait_ee:
; check for previous SPM complete
in
sbrc temp1, SPMEN
rjmp Wait_spm
; input: spmcrval determines SPM action
; disable interrupts if enabled, store status
in
cli
; check that no EEPROM write access is present
sbic EECR, EEWE
rjmp Wait_ee
; SPM timed sequence
out
spm
; restore SREG (to enable interrupts if originally enabled)
out
ret
1. The different BOOTSZ Fuse configurations are shown in
1. For details about these two section, see
251
temp1, SPMCR
temp2, SREG
SPMCR, spmcrval
SREG, temp2
BOOTSZ0
1
0
1
0
through
Boot Size Configuration
Read-While-Write Limit
and
“RWW – Read-While-Write Section” on page 251
Table
Boot
Size
128
words
256
words
512
words
1024
words
25-8, the parameters used in the description of the self program-
Pages
2
4
8
16
(1)
(1)
Application
Flash
Section
$0000 -
$1F7F
$0000 -
$1EFF
$0000 -
$1DFF
$0000 -
$1BFF
“NRWW – No Read-While-Write Section” on page
Boot
Loader
Flash
Section
$1F80 -
$1FFF
$1F00 -
$1FFF
$1E00 -
$1FFF
$1C00 -
$1FFF
Pages
112
Figure 25-2
16
End
Application
section
$1F7F
$1EFF
$1DFF
$1BFF
Address
$0000 - $1BFF
$1C00 - $1FFF
Boot Reset
Address (start
Boot Loader
Section)
$1F80
$1F00
$1E00
$1C00
8154B–AVR–07/09
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