AT32UC3B1256-AUR Atmel, AT32UC3B1256-AUR Datasheet - Page 548

• Manufacturer Part Number: AT32UC3B1256-AUR
• Description: MCU AVR32 256K FLASH 48-TQFP
• Manufacturer: Atmel
• Series: AVR®32 UC3r

Specifications of AT32UC3B1256-AUR

• Package / Case: 48-TQFP, 48-VQFP
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 60MHz
• Number Of I /o: 28
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Program Memory Size: 256KB (256K x 8)
• Data Converters: A/D 6x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Connectivity: I²C, IrDA, SPI, SSC, UART/USART, USB
• Core Size: 32-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

24.7.11
Name:
Access Type:
Offset:
Reset Value:
• CPRD: Channel Period
32059J–12/2010
31
23
15
7
Only the first
If the waveform is left-aligned, then the output waveform period depends on the counter source clock and can be calculated:
If the waveform is center-aligned, then the output waveform period depends on the counter source clock and can be calculated:
Channel Period Register
20
30
22
14
6
bits (internal channel counter size) are significant.
CPRDx
Read/Write
0x208
0x00000000
– By using the Master Clock (CLK_PWM) divided by an X given prescaler value (with X
– By using a Master Clock divided by one of both DIVA or DIVB divider, the formula
– By using the Master Clock (CLK_PWM) divided by an X given prescaler value (with X
– By using a Master Clock divided by one of both DIVA or DIVB divider, the formula
being 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, or 1024). The resulting period formula will
be:
becomes, respectively:
being 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, or 1024). The resulting period formula will
be:
becomes, respectively:
(
------------------------------ -
(
----------------------------------------- -
(
---------------------------------------- -
(
--------------------------------------------------- -
CLK_PWM
X CPRD
CRPD
2
2
CLK_PWM
CLK_PWM
×
×
×
CLK_PWM
X CPRD
CPRD DIVA
29
21
13
5
×
×
DIVA
)
×
)
)
or
)
(
--------------------------------------------- -
or
CRPD
28
20
12
4
CLK_PWM
(
--------------------------------------------------- -
2 CPRD
×
CPRD
CPRD
CPRD
CPRD
×
CLK_PWM
DIVAB
×
)
DIVB
27
19
11
3
)
26
18
10
2
25
17
9
1
AT32UC3B
24
16
8
0
548