ATmega32 Atmel Corporation, ATmega32 Datasheet - Page 52
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ATmega32
Manufacturer Part Number
ATmega32
Description
Manufacturer
Atmel Corporation
Specifications of ATmega32
Flash (kbytes)
32 Kbytes
Pin Count
44
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
32
Ext Interrupts
3
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
2
Eeprom (bytes)
1024
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATmega32-16AC
Manufacturer:
COMPAL
Quantity:
500
Part Number:
ATmega32-16AU
Manufacturer:
ATMEL
Quantity:
20 000
Part Number:
ATmega32-16PI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATmega32-16PU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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2503Q–AVR–02/11
When reading back a software assigned pin value, a nop instruction must be inserted as indi-
cated in
clock. In this case, the delay t
Figure 25. Synchronization when Reading a Software Assigned Pin Value
INSTRUCTIONS
SYSTEM CLK
SYNC LATCH
Figure
PINxn
25. The out instruction sets the “SYNC LATCH” signal at the positive edge of the
r16
r17
out PORTx, r16
pd
through the synchronizer is one system clock period.
0x00
nop
t
pd
0xFF
in r17, PINx
ATmega32(L)
0xFF
52
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