ATMEGA32U2-MU Atmel, ATMEGA32U2-MU Datasheet - Page 239
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ATMEGA32U2-MU
Manufacturer Part Number
ATMEGA32U2-MU
Description
MCU AVR USB 32K FLASH IND 32VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32U2-MU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Processor Series
ATMEGA32x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
2.5 KB
Interface Type
SPI, UART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
22
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, AT90USBKEY, ATEVK525
Minimum Operating Temperature
- 40 C
For Use With
ATSTK524 - KIT STARTER ATMEGA32M1/MEGA32C1ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Lead Free Status / Rohs Status
Details
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23.8.14
In
Table 23-8.
(Page size = 64 words = 128 bytes)
Note:
Table 23-9.
Note:
Table 23-10. Explanation of different variables used in
Note:
See
Programming.
7799D–AVR–11/10
1
1
0
0
Section
Read-While-Write section (RWW)
No Read-While-Write section (NRWW)
Variable
PCMSB
PAGEMSB
ZPCMSB
ZPAGEMSB
PCPAGE
PCWORD
Table 23-8
“Addressing the Flash During Self-Programming” on page 232
1
0
1
0
1. The different BOOTSZ Fuse configurations are shown in
1. For details about these two section, see
1. Z0: should be zero for all SPM commands, byte select for the (E)LPM instruction.
ATmega8U2 Boot Loader Parameters
Write Section” on page
256 words
512 words
1024 words
2048 words
through
Boot Size Configuration
Read-While-Write Limit
Table
PC[12:6]
PC[5:0]
12
23-10, the parameters used in the description of the Self-Programming are given.
5
4
8
16
32
227.
(1)
(1)
(Word Addresses)
0x0000 - 0xEFF
0x0000 - 0xDFF
0x0000 - 0xBFF
0x0000 - 0x7FF
Corresponding
“NRWW – No Read-While-Write Section” on page 227
Z-value
Z13:Z7
Z6:Z1
Z13
Z6
Figure 23-4
Figure
0xF00 - 0xFFF
0xE00 - 0xFFF
0xC00 - 0xFFF
0x800 - 0xFFF
Description
Most significant bit in the Program Counter. (The Program
Counter is 13 bits PC[12:0])
Most significant bit which is used to address the words within
one page (64 words in a page requires six bits PC [5:0]).
Bit in Z-pointer that is mapped to PCMSB. Because Z0 is not
used, the ZPCMSB equals PCMSB + 1.
Bit in Z-pointer that is mapped to PCMSB. Because Z0 is not
used, the ZPAGEMSB equals PAGEMSB + 1.
Program Counter page address: Page select, for Page Erase
and Page Write
Program Counter word address: Word select, for filling
temporary buffer (must be zero during Page Write operation)
and the mapping to the Z-pointer
23-2.
for details about the use of Z-pointer during Self-
Pages
(1)
32
32
ATmega8U2/16U2/32U2
0xEFF
0xDFF
0xBFF
0x7FF
Address
0x0000 - 0x07FF
0x0800 - 0x0FFF
and
“RWW – Read-While-
0xF00
0xE00
0xC00
0x800
239
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