ATTINY45-20MUR Atmel, ATTINY45-20MUR Datasheet - Page 91

• Manufacturer Part Number: ATTINY45-20MUR
• Description: MCU AVR 4KB FLASH 20MHZ 20QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY45-20MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 6
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2586M–AVR–07/10
Table 12-3.
PWM Frequency
100 kHz
120 kHz
130 kHz
140 kHz
150 kHz
160 kHz
170 kHz
180 kHz
190 kHz
200 kHz
250 kHz
300 kHz
350 kHz
400 kHz
450 kHz
500 kHz
110 kHz
20 kHz
30 kHz
40 kHz
50 kHz
60 kHz
70 kHz
80 kHz
90 kHz
Timer/Counter1 Clock Prescale Select in the Asynchronous Mode
Clock Selection
PCK/16
PCK/16
PCK/8
PCK/8
PCK/8
PCK/4
PCK/4
PCK/4
PCK/4
PCK/4
PCK/4
PCK/2
PCK/2
PCK/2
PCK/2
PCK/2
PCK/2
PCK/2
PCK/2
PCK
PCK
PCK
PCK
PCK
PCK
R
=
log
CS1[3:0]
2 OCR1C
0101
0101
0100
0100
0100
0010
0010
0010
0010
0010
0010
0010
0010
0001
0001
0001
0001
0001
0001
0011
0011
0011
0011
0011
0011
(
+
1
)
OCR1C
199
132
199
159
132
228
199
177
159
144
132
245
228
212
199
187
177
167
159
255
212
182
159
141
127
RESOLUTION
7.6
7.1
7.6
7.3
7.1
7.8
7.6
7.5
7.3
7.2
7.1
7.9
7.8
7.7
7.6
7.6
7.5
7.4
7.3
8.0
7.7
7.5
7.3
7.1
7.0
91