ATTINY43U-MU Atmel, ATTINY43U-MU Datasheet - Page 72

• Manufacturer Part Number: ATTINY43U-MU
• Description: MCU AVR 4K FLASH 8MHZ 20-QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY43U-MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-MLF®, QFN
• Processor Series: ATTINY4x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 4 Channel
• For Use With: ATSTK600-TINYX3U - STK600 SOCKET/ADAPTER TINYX3U
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

72
ATtiny43U
Table 11-4 on page 72
overriding signals shown in
Table 11-4.
1.
2.
Table 11-5.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
RSTDISBL is 1 when the Fuse is “0” (Programmed).
EXT_CLOCK = external clock is selected as system clock
Overriding Signals for Alternate Functions in PA7..PA6
Overriding Signals for Alternate Functions in PA5..PA4
PA7/RESET/
RSTDISBL
1
RSTDISBL
MONCOM_ENABLE • debugWire
Transmit
RSTDISBL
0
0
RSTDISBL
PCINT7 • PCIE0
MONCOM_ENABLE +
MONCOM_ENABLE • RSTDISBL
PCINT7 • PCIE0)
dW/PCINT7 Input
PA5/AIN1/ PCINT5
0
0
0
0
0
0
0
(PCINT5 • PCIE) + AIN1D
PCINT5 • PCIE0
PCINT5 Input
Analog Comparator Negative Input
to
(1)
(1)
(1)
(1)
Table 11-6 on page 73
dW/
+ MONCOM_ENABLE
+ MONCOM_ENABLE
+ MONCOM_ENABLE
+ MONCOM_ENABLE +
Figure 11-5 on page
PCINT7
(1)
•
68.
relate the alternate functions of Port A to the
PA6/ PCINT6
EXT_CLK
0
EXT_CLK
0
EXT_CLK
0
0
EXT_CLK
(EXT_CLK
(EXT_CLK
CLKI/PCINT6 Input
PA4/AIN0/PCINT4
0
0
0
0
0
0
0
(PCINT4 • PCIE0) + AIN0D
PCINT4 • PCIE0
PCINT4 input
Analog Comparator Positive Input
(2)
(2)
(2)
(2)
(2)
(2)
+ (PCINT6 • PCIE0)
• PWR_DOWN) +
• PCINT7 • PCIE0)
8048B–AVR–03/09