ATTINY84-20MUR Atmel, ATTINY84-20MUR Datasheet - Page 184

• Manufacturer Part Number: ATTINY84-20MUR
• Description: MCU AVR 8KB FLASH 20MHZ 20QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY84-20MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 12
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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184
High-Voltage Serial Programming Characteristics
ATtiny24/44/84
Figure 20-6. High-voltage Serial Programming Timing
Table 20-13. High-voltage Serial Programming Characteristics
t
WLWH_PFB
Symbol
SDI (PA6), SII (PA5)
t
t
t
t
t
SHOV
SHSL
SLSH
IVSH
SHIX
T
Parameter
SCI (PB0) Pulse Width High
SCI (PB0) Pulse Width Low
SDI (PA6), SII (PB1) Valid to SCI (PB0) High
SDI (PA6), SII (PB1) Hold after SCI (PB0) High
SCI (PB0) High to SDO (PA4) Valid
Wait after Instr. 3 for Write Fuse Bits
A
SDO (PA4)
SCI (PB0)
= 25°C, V
CC
= 5V (Unless otherwise noted)
t
IVSH
t
SHSL
t
SHOV
t
SHIX
Min
125
125
50
50
Typ
2.5
16
t
SLSH
Max
8006K–AVR–10/10
Units
ms
ns
ns
ns
ns
ns