ATTINY43U-MU Atmel, ATTINY43U-MU Datasheet - Page 164

• 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

20.10 Serial Programming Characteristics
Figure 20-6. Serial Programming Timing
Figure 20-7. Serial Programming Waveforms
Table 20-11. Serial Programming Characteristics, T
164
SERIAL DATA OUTPUT
SERIAL CLOCK INPUT
Symbol
SERIAL DATA INPUT
1/t
1/t
t
t
t
t
t
t
t
OVSH
SHOX
CLCL
CLCL
SHSL
SLSH
SLIV
CLCL
CLCL
ATtiny43U
Parameter
Oscillator Frequency
Oscillator Period
Oscillator Frequency (V
Oscillator Period (V
SCK Pulse Width High
SCK Pulse Width Low
MOSI Setup to SCK High
MOSI Hold after SCK High
SCK Low to MISO Valid
SAMPLE
(MOSI)
(MISO)
(SCK)
MOSI
MISO
SCK
CC
= 4.5V - 5.5V)
MSB
MSB
CC
t
OVSH
= 4.5V - 5.5V)
t
A
SHSL
= -40°C to 85°C, V
t
SHOX
CC
= 1.8 - 5.5V (Unless Otherwise Noted)
2 t
2 t
2 t
t
t
TBD
Min
250
CLCL
SLSH
125
CLCL
CLCL
CLCL
0
0
t
SLIV
TBD
Typ
Max
TBD
4
8
LSB
LSB
8048B–AVR–03/09
Units
MHz
MHz
ns
ns
ns
ns
ns
ns
ns