ATMEGA32M1-AUR Atmel, ATMEGA32M1-AUR Datasheet - Page 283
![IC MPU AVR 32K 20MHZ 32TQFP](/photos/6/91/69154/313-32-tqfp_sml.jpg)
ATMEGA32M1-AUR
Manufacturer Part Number
ATMEGA32M1-AUR
Description
IC MPU AVR 32K 20MHZ 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32M1-AUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
CAN, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
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 11x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of I /o
-
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26.7.15
In
Table 26-10. Boot Size Configuration, ATmega32M1 (32K product)
Notes:
Table 26-11. Read-While-Write Limit
For details about these two section, see
Write Section” on page 271
Table 26-12. Explanation of Different Variables used in
Note:
8209D–AVR–11/10
BOOTSZ1
Section
Read-While-Write section (RWW)
No Read-While-Write section (NRWW)
Variable
PCMSB
PAGEMSB
ZPCMSB
ZPAGEMSB
PCPAGE
PCWORD
Table 26-10
1
1
0
0
1. The different BOOTSZ Fuse configurations are shown in
2. 1 word equals 2 bytes
1. Z15:Z13: always ignored
ATmega32M1 - 32K - Flash Boot Loader Parameters
Z0: should be zero for all SPM commands, byte select for the LPM instruction.
See
Programming
BOOTSZ0
through
“Addressing the Flash During Self-Programming” on page 275
PC[13:6]
PC[5:0]
1
0
1
0
13
5
Table
Boot Size
256 words
512 words
1024 words
2048 words
26-12, the parameters used in the description of the self programming are given.
Corresponding
Z-value
Z14:Z7
(2)
Z6:Z1
Z14
Z6
Pages
(1)
“NRWW – No Read-While-Write Section” on page 271
16
32
8
4
Application
Flash Section
0x0000 - 0x3EFF
0x0000 - 0x3DFF
0x0000 - 0x3BFF
0x0000 - 0x37FF
Description
Most significant bit in the Program Counter (the Program Counter is 14 bits PC[13:0])
Most significant bit which is used to address the words within one page (64 words in a page
requires 6 bits PC [5:0])
Bit in Z-register that is mapped to PCMSB. Because Z0 is not used, the ZPCMSB equals
PCMSB + 1
Bit in Z-register that is mapped to PAGEMSB. 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)
Pages
224
32
Figure 26-3 on page 276
Figure 26-2 on page 273
Boot Loader
Flash Section
0x3F00 - 0x3FFF
0x3E00 - 0x3FFF
0x3C00 - 0x3FFF
0x3800 - 0x3FFF
Address
0x0000 - 0x37FF
0x3800 - 0x3FFF
for details about the use of Z-pointer during Self-
ATmega16M1/32M1/64M1
and the Mapping to the Z-pointer
End Application
Section
0x3EFF
0x3DFF
0x3BFF
0x37FF
and
“RWW – Read-While-
Boot Reset
Address (Start
Boot Loader
Section)
0x3F00
0x3E00
0x3C00
0x3800
283
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