ATSAM3S1BA-AU Atmel, ATSAM3S1BA-AU Datasheet - Page 456

• Manufacturer Part Number: ATSAM3S1BA-AU
• Description: IC MCU 32BIT 64KB FLASH 64LQFP
• Manufacturer: Atmel
• Series: SAM3Sr

Specifications of ATSAM3S1BA-AU

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 64MHz
• Connectivity: I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 47
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.62 V ~ 1.95 V
• Data Converters: A/D 10x10/12b, D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LQFP
• Controller Family/series: ATSAM3S
• No. Of I/o's: 47
• Ram Memory Size: 16KB
• Cpu Speed: 64MHz
• No. Of Timers: 6
• Rohs Compliant: Yes
• Processor Series: ATSAM3x
• Core: ARM Cortex M3
• 3rd Party Development Tools: JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: ATSAM3S-EK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

• PLLBDIV2: PLLB Divisor by 2
26.16.12 PMC USB Clock Register
Name:
Address:
Access:
This register can only be written if the WPEN bit is cleared in
• USBS: USB Input Clock Selection
0 = USB Clock Input is PLLA
1 = USB Clock Input is PLLB
• USBDIV: Divider for USB Clock.
USB Clock is Input clock divided by USBDIV+1
456
31
23
15
–
–
–
7
–
SAM3S Preliminary
0x400E0438
PLLBDIV2
0
1
30
22
14
PMC_USB
Read/Write
–
–
–
6
–
29
21
13
–
–
–
5
–
PLLB Clock Division
PLLB clock frequency is divided by 1.
PLLB clock frequency is divided by 2.
28
20
12
–
–
–
4
–
“PMC Write Protect Mode Register” on page
27
19
11
–
–
–
3
26
18
10
–
–
2
–
USBDIV
25
17
–
–
–
9
1
6500C–ATARM–8-Feb-11
466.
USBS
24
16
–
–
8
0