AT90PWM81-16SN Atmel, AT90PWM81-16SN Datasheet - Page 139

• 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

12.25.8
12.25.9
7734P–AVR–08/10
Analog Synchronization Delay Register – PASDLYn
PSC 2 Control Register – PCTL2
• Bit 0– PISELnB1: PSC n Input Select for part B
Together with PISELnB0, defines active signal on PSC part B.
Table 12-19.
The Analog Synchronization Delay Register store an 8 bit delay used:
See also the bit definition Section “Bit 7, 6, 5– PASDLKn(2:0): Analog Synchronization Output Delay or
Input Blanking select”, page 136 and Section “Bit 5:4 – PSYNCn1:0: Synchronization Out for ADC
Selection”, page 133
• Bit 7:6 – PPREn1:0 : PSC n Prescaler Select
This two bits select the PSC input clock division factor.All generated waveform will be modified by this
factor.
Table 12-20.
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
PISELnB1
0
0
1
1
PPREn1
0
• For the input signal blanking. See Section “PSC Inputs”, page 113
• For shifting the PSCOUTnx edges and the PSCnASY signal. See Section “Analog Synchronization”,
page 130
7
PPRE21
R/W
0
7
PASDLYn[7:0]
W
0
PSC trigger & fault input Selection
PSC n Prescaler Selection
PPREn0
0
PISELnB0
0
1
0
1
6
W
0
6
PPRE20
R/W
0
Description
No divider on PSC input clock
5
W
0
5
PBFM20
R/W
0
Description
PSCINn
First analog comparator output
PSCINnA
Second analog comparator output
0
4
PAOC2B
R/W
0
4
W
3
PAOC2A
R/W
0
3
W
0
2
PARUN2
R/W
0
2
W
0
1
PCCYC2
R/W
0
1
W
0
AT90PWM81
PRUN2
0
R/W
0
0
W
0
PCTL2
PASDLYn
139