ATmega32A Atmel Corporation, ATmega32A Datasheet - Page 279

• Manufacturer Part Number: ATmega32A
• Manufacturer: Atmel Corporation

Specifications of ATmega32A

• 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

26.7.14
8155C–AVR–02/11
Parallel Programming Characteristics
Figure 26-7. Parallel Programming Timing, Including some General Timing Requirements
Figure 26-8. Parallel Programming Timing, Loading Sequence with Timing Requirements
Note:
Figure 26-9. Parallel Programming Timing, Reading Sequence (within the Same Page) with
(DATA, XA0/1, BS1, BS2)
XTAL1
PAGEL
XTAL1
DATA
DATA
BS1
XA0
XA1
BS1
XA0
XA1
OE
1. The timing requirements shown in
loading operation.
Data & Contol
Timing Requirements
RDY/BSY
PAGEL
ADDR0 (Low Byte)
LOAD ADDRESS
XTAL1
ADDR0 (Low Byte)
LOAD ADDRESS
(LOW BYTE)
(LOW BYTE)
WR
t
XLOL
t
OLDV
t
t
BVPH
DVXH
(1)
(LOW BYTE)
LOAD DATA
DATA (Low Byte)
t
t
XHXL
PHPL
(LOW BYTE)
DATA (Low Byte)
READ DATA
Figure 26-7
t
t
t
t
t
XLXH
XLDX
PLBX
XLWL
PLWL
t
BVDV
(that is, t
t
(HIGH BYTE)
BVWL
LOAD DATA
DATA (High Byte)
(HIGH BYTE)
READ DATA
DATA (High Byte)
t
t
DVXH
WL WH
XLPH
WLRL
LOAD DATA
, t
XHXL
t
OHDZ
t
PLXH
, and t
ATmega32A
t
WLBX
LOAD ADDRESS
LOAD ADDRESS
(LOW BYTE)
XLDX
(LOW BYTE)
ADDR1 (Low Byte)
ADDR1 (Low Byte)
) also apply to
t
WLRH
(1)
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