ATTINY43U-MU Atmel, ATTINY43U-MU Datasheet - Page 76

• 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

76
ATtiny43U
Table 11-9 on page 76
overriding signals shown in
Table 11-9.
Table 11-10. Overriding Signals for Alternate Functions in PB5..PB4
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
Overriding Signals for Alternate Functions in PB7..PB6
PB7/INT0/PCINT15
0
0
0
0
0
0
0
(PCINT15 • PCIE1) + INT0
(PCINT15 • PCIE1) + INT0
INT0/PCINT15
PB5/OC1B/PCINT13
0
0
0
0
OC1B Enable + (USIWM1 • USIWM0)
OC1B • (~USIWM1• USIWM0) + USIWM1
• USIWM0 • DO
0
PCINT13 • PCIE1
PCINT13 • PCIE1
PCINT13
to
Table 11-12 on page 77
Figure 11-5 on page
68.
relate the alternate functions of Port B to the
PB6/PCINT14
0
0
USIWM1
USI_SCL_HOLD + PORTB6
USIWM1
0
USIPTOE
(PCINT14 • PCIE1) + USISIE
(PCINT14 • PCIE1) + USISIE
PCINT14/USCK/SCL
PB4/OC1A/PCINT10
0
0
USIWM1
(SDA + PORTB4) • DDRB4
OC1A Enable + (USIWM1 • DDRB4)
OC1A • (USIWM1• DDRB4)
0
PCINT10 • PCIE1 + USISIE
PCINT10 • PCIE1 + USISIE
PCINT10/DI/SDA
8048B–AVR–03/09