AT90PWM316-16SUR Atmel, AT90PWM316-16SUR Datasheet - Page 97

• Manufacturer Part Number: AT90PWM316-16SUR
• Description: MCU AVR 16K FLASH 16MHZ 32-SOIC
• Manufacturer: Atmel
• Series: AVR® 90PWM Lightingr

Specifications of AT90PWM316-16SUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 27
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 11x10b; D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 32-SOIC (7.5mm Width)
• For Use With: ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOICATAVRMC200 - KIT EVAL FOR AT90PWM3 ASYNCATAVRFBKIT - KIT DEMO BALLAST FOR AT90PWM2
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

14.8
14.8.1
7710E–AVR–08/10
8-bit Timer/Counter Register Description
Timer/Counter Control Register A – TCCR0A
• Bits 7:6 – COM0A1:0: Compare Match Output A Mode
These bits control the Output Compare pin (OC0A) behavior. If one or both of the COM0A1:0
bits are set, the OC0A output overrides the normal port functionality of the I/O pin it is connected
to. However, note that the Data Direction Register (DDR) bit corresponding to the OC0A pin
must be set in order to enable the output driver.
When OC0A is connected to the pin, the function of the COM0A1:0 bits depends on the
WGM02:0 bit setting.
are set to a normal or CTC mode (non-PWM).
Table 14-2.
Table 14-3
mode.
Table 14-3.
Note:
Bit
Read/Write
Initial Value
COM0A1
COM0A1
0
0
1
1
0
0
1
1
1. A special case occurs when OCR0A equals TOP and COM0A1 is set. In this case, the Com-
pare Match is ignored, but the set or clear is done at TOP. See
for more details.
shows the COM0A1:0 bit functionality when the WGM01:0 bits are set to fast PWM
Compare Output Mode, non-PWM Mode
Compare Output Mode, Fast PWM Mode
COM0A1
COM0A0
COM0A0
R/W
7
0
0
1
0
1
0
1
0
1
Table 14-2
COM0A0
R/W
6
0
Description
Normal port operation, OC0A disconnected.
Toggle OC0A on Compare Match
Clear OC0A on Compare Match
Set OC0A on Compare Match
Description
Normal port operation, OC0A disconnected.
WGM02 = 0: Normal Port Operation, OC0A Disconnected.
WGM02 = 1: Toggle OC0A on Compare Match.
Clear OC0A on Compare Match, set OC0A at TOP
Set OC0A on Compare Match, clear OC0A at TOP
shows the COM0A1:0 bit functionality when the WGM02:0 bits
COM0B1
R/W
5
0
COM0B0
R/W
4
0
R
3
–
0
(1)
AT90PWM216/316
R
2
–
0
“Fast PWM Mode” on page 92
WGM01
R/W
1
0
WGM00
R/W
0
0
TCCR0A
97