ATTINY2313A-MUR Atmel, ATTINY2313A-MUR Datasheet - Page 202

• Manufacturer Part Number: ATTINY2313A-MUR
• Description: MCU AVR 2K FLASH 20MHZ 20QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY2313A-MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Size: 2KB (1K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -

21.8
202
Serial Programming Characteristics
ATtiny2313A/4313
Figure 21-6. Serial Programming Timing
Figure 21-7. Serial Programming Waveform
Table 21-8.
Note:
SERIAL DATA OUTPUT
Symbol
SERIAL CLOCK INPUT
1/t
1/t
t
t
t
t
t
t
OVSH
SHOX
t
SERIAL DATA INPUT
SHSL
SLSH
CLCL
CLCL
SLIV
CLCL
CLCL
2 t
CLCL
Parameter
Oscillator Frequency (ATtiny2313A/4313)
Oscillator Period (ATtiny2313A/4313)
Oscillator Frequency (ATtiny2313A/4313, V
4.5V - 5.5V)
Oscillator Period (ATtiny2313A/4313, V
4.5V - 5.5V)
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)
Serial Programming Characteristics, T
Otherwise Noted)
for f
(SCK)
ck
< 12 MHz, 3 t
MOSI
MISO
SCK
MSB
MSB
t
OVSH
CLCL
for f
ck
t
>= 12 MHz
SHSL
CC
=
CC
A
=
t
SHOX
= -40°C to 85°C, V
2 t
2 t
2 t
t
Min
250
CLCL
CLCL
50
CLCL
CLCL
0
0
*
*
t
SLSH
Typ
CC
Max
100
20
= 1.8 - 5.5V (Unless
4
Units
MHz
MHz
8246A–AVR–11/09
ns
ns
ns
ns
ns
ns
ns
LSB
LSB