ATTINY20-SSU Atmel, ATTINY20-SSU Datasheet - Page 16

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

Specifications of ATTINY20-SSU

• 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

5.2.1
16
ATtiny20
Data Memory Access Times
Figure 5-1.
This section describes the general access timing concepts for internal memory access. The
internal data SRAM access is performed in two clk
Figure 5-2.
Address
clk
Data Memory Map (Byte Addressing)
On-chip Data SRAM Access Cycles
Data
Data
WR
CPU
RD
FLASH PROGRAM MEMORY
CONFIGURATION BITS
SRAM DATA MEMORY
CALIBRATION BITS
NVM LOCK BITS
DEVICE ID BITS
Compute Address
I/O SPACE
(reserved)
(reserved)
(reserved)
(reserved)
(reserved)
(reserved)
T1
Memory Access Instruction
Address valid
CPU
T2
0x0000 ... 0x003F
0x0040 ... 0x00BF
0x00C0 ... 0x3EFF
0x3F00 ... 0x3F01
0x3F02 ... 0x3F3F
0x3F40 ... 0x3F41
0x3F42 ... 0x3F7F
0x3F80 ... 0x3F81
0x3F82 ... 0x3FBF
0x3FC0 ... 0x3FC3
0x3FC4 ... 0x3FFF
0x4000 ... 0x47FF
0x4800 ... 0xFFFF
cycles as described in
Next Instruction
T3
Figure
8235B–AVR–04/11
5-2.