AT90PWM81-16SN Atmel, AT90PWM81-16SN Datasheet - Page 171

• Manufacturer Part Number: AT90PWM81-16SN
• Description: IC MCU AVR 8K FLASH ISP 20SOIC
• Manufacturer: Atmel
• Series: AVR® 90PWM Lightingr

Specifications of AT90PWM81-16SN

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI
• Peripherals: Brown-out Detect/Reset, PWM, WDT
• Number Of I /o: 16
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 20-SOIC (7.5mm Width)
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SPI
• Maximum Clock Frequency: 16 MHz
• Number Of Timers: 1
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• On-chip Dac: 10 bit, 1 Channel
• Height: 2.35 mm
• Length: 13 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Width: 7.6 mm
• For Use With: ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

13.22 Interrupts
13.22.1
13.23 PSCR Register Definition
13.23.1
7734P–AVR–08/10
List of Interrupt Vector
PSCR Synchro and Output Configuration – PSOC0
This section describes the specifics of the interrupt handling as performed in AT90PWM81.
The PSCR provides 3 interrupt vectors
See PSC0 Interrupt Mask Register
Bit
Read/Write
Initial Value
• Bit 7– PISEL0A1: PSC Input Select for part A
Together with PISEL0A0, defines active signal on PSCR part A.
Table 13-8.
• Bit 6– PISEL0B1: PSCR Input Select for part B
Together with PISEL0B0, defines active signal on PSCR part B.
Table 13-9.
PISEL0A1
0
0
1
1
PISEL0B1
0
0
1
1
• PSC0EC (End of Cycle): When enabled and when a match with OCRrRB occurs
• PSC0EEC (End of Enhanced Cycle): When enabled and when a match with OCRrRB occurs at the
• PSC0CAPT (Capture Event): When enabled and one of the two following events occurs : retrigger,
•
15th enhanced cycle
capture of the PSCR counter or Synchro Error.
R/W
7
PISEL0A1
0
PSC trigger & fault input Selection
PSC trigger & fault input Selection
PISEL0A0
0
1
0
1
PISEL0B0
0
1
0
1
6
PISEL0B1 PSYNC01
R/W
0
5
R/W
0
page 177
Description
PSCIN0
Analog comparator output
PSCIN0A
PSCIN0B
Description
PSCIN0
Analog comparator output
PSCIN0A
PSCIN0B
and PSC0 Interrupt Flag Register
4
PSYNC00
R/W
0
3
-
R/W
0
2
POEN0B
R/W
0
1
R/W
0
-
page
AT90PWM81
178.
0
POEN0A
R/W
0
PSOC0
171