ATtiny43U Atmel Corporation, ATtiny43U Datasheet - Page 162

• Manufacturer Part Number: ATtiny43U
• Manufacturer: Atmel Corporation

Specifications of ATtiny43U

• Flash (kbytes): 4 Kbytes
• Pin Count: 20
• Max. Operating Frequency: 8 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 8
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 16
• Ext Interrupts: 16
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 4
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.25
• Eeprom (bytes): 64
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 0.7 to 5.5
• Operating Voltage (vcc): 0.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 4
• Pwm Channels: 4
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

20.9
Figure 20-3. Parallel Programming Timing, Including some General Timing Requirements
Note:
Figure 20-4. Parallel Programming Timing, Reading Sequence (within the Same Page) with Timing Requirements
162
PAGEL/BS1
(DATA, XA0, XA1/BS2, PAGEL/BS1)
XA1/BS2
DATA
CLKI
XA0
OE
Parallel Programming Characteristics
The timing requirements in
ATtiny43U
Data & Contol
ADDR0 (Low Byte)
LOAD ADDRESS
(LOW BYTE)
RDY/BSY
CLKI
WR
Figure 20-3
t
XLOL
t
OLDV
(i.e., t
t
t
BVPH
DVXH
DVXH
, t
DATA (Low Byte)
READ DATA
(LOW BYTE)
XHXL
t
XHXL
, and t
XLDX
t
t
t
t
XLDX
PLBX
XLWL
PLWL
t
BVDV
) also apply to reading operation.
t
BVWL
(HIGH BYTE)
READ DATA
DATA (High Byte)
t
WLWH
WLRL
t
OHDZ
t
WLBX
LOAD ADDRESS
(LOW BYTE)
ADDR1 (Low Byte)
8048B–AVR–03/09
t
WLRH