ATTINY20-XU Atmel, ATTINY20-XU Datasheet - Page 218

• Manufacturer Part Number: ATTINY20-XU
• Description: MCU AVR 2KB FLASH 12MHZ 14TSSOP
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY20-XU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 12MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 12
• Program Memory Size: 2KB (1K x 16)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Processor Series: ATtiny
• Core: AVR
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: SPI, TWI
• Maximum Clock Frequency: 12 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

27. Datasheet Revision History
27.1
27.2
218
Rev. 8235B – 04/11
Rev. 8235A – 03/10
ATtiny20
1. Removed Preliminary status
2. Updated:
3. Added:
1. Initial revision.
– Bit syntax throughout the datasheet, e.g. from CS02:0 to CS0[2:0]
– Idle Mode description on
–
–
– Sentence on low impedance sources in
– Description on 16-bit registers on
– Description on Stack Pointer on
– List of active modules in
– Description on reset pulse width in
– Program code on
– Bit description in
– Section
– Signal descriptions in
– Equations on
– Terminology in sections describing extreme values on
– Description on creating frequency waveforms on
– Signal routing in
– TOP definition in
– Signal names in
– TWSHE bit description in
– SPI slave assembly code example on
–
– Section
– Characteristics in
– Note on internal voltage reference in
– PRADC in
– MISO output driver errata for device rev. A in
“Capacitive Touch Sensing” on page 6
“Disclaimer” on page 6
Table 20-1 on page 172
“Compare Output Mode and Waveform Generation” on page 65
“Speed” on page 174
Table 21-2 on page 180
page
Figure 12-3 on page 81
Figure 12-1 on page 78
Figure 11-3 on page 63
Table 12-1 on page 79
page 39
Figure 21-3 on page
66,
Figure 11-5 on page
page
“Idle Mode” on page 25
page 5
“TWSCRA – TWI Slave Control Register A” on page 146
67, and
page 10
page 8
“Watchdog Reset” on page 32
page 69
Table 15-4 on page 124
page 132
181, and
(section updated and moved)
“Analog Input Circuitry” on page 119
66, and
“Errata” on page 217
Figure 21-8 on page 184
page 69
Figure 11-7 on page 68
page
67, and
page 69
8235B–AVR–04/11