ATMEGA32U2-MUR Atmel, ATMEGA32U2-MUR Datasheet - Page 254
ATMEGA32U2-MUR
Manufacturer Part Number
ATMEGA32U2-MUR
Description
MCU AVR 32K FLASH 16MHZ 32VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32U2-MUR
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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
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7799D–AVR–11/10
I. Program Page
J. Repeat B through I until the entire Flash is programmed or until all data has been
programmed.
K. End Page Programming
Figure 25-2. Addressing the Flash Which is Organized in Pages
Note:
1. Set XA1, XA0 to “00”. This enables address loading.
2. Set BS2, BS1 to “10”. This selects the address extended high byte.
3. Set DATA = Address extended high byte (0x00 - 0xFF).
4. Give XTAL1 a positive pulse. This loads the address high byte.
1. Set BS2, BS1 to “00”
2. Give WR a negative pulse. This starts programming of the entire page of data.
3. Wait until RDY/BSY goes high (See
1. 1. Set XA1, XA0 to “10”. This enables command loading.
2. Set DATA to “0000 0000”. This is the command for No Operation.
3. Give XTAL1 a positive pulse. This loads the command, and the internal write signals
RDY/BSY goes low.
are reset.
1. PCPAGE and PCWORD are listed in
PROGRAM MEMORY
PROGRAM
COUNTER
PAGE
PAGE ADDRESS
WITHIN THE FLASH
PCMSB
PCPAGE
Figure 25-3
PAGEMSB
PCWORD
Table 25-7 on page
WORD ADDRESS
WITHIN A PAGE
ATmega8U2/16U2/32U2
for signal waveforms).
INSTRUCTION WORD
PAGE
249.
(1)
PCWORD[PAGEMSB:0]:
00
01
02
PAGEEND
254
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