ATSAM3U4CA-CU Atmel, ATSAM3U4CA-CU Datasheet - Page 263

• Manufacturer Part Number: ATSAM3U4CA-CU
• Description: IC MCU 32BIT 256KB FLSH 100TFBGA
• Manufacturer: Atmel
• Series: SAM3Ur

Specifications of ATSAM3U4CA-CU

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 96MHz
• Connectivity: EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 57
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 52K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 4x10b, 4x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TFBGA
• Processor Series: ATSAM3x
• Core: ARM Cortex M3
• Data Bus Width: 32 bit
• Data Ram Size: 52 KB
• Interface Type: 3xUSART, TWI, 4xSPI, Bus
• Maximum Clock Frequency: 96 MHz
• Number Of Programmable I/os: 57
• Number Of Timers: 8
• Operating Supply Voltage: 1.62 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: ATSAM3U-EK
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

17.4.2
Register Name:
Address:
Access Type:
• ALMV: Alarm Value
Defines the alarm value (ALMV+1) compared with the Real-time Timer.
17.4.3
Register Name:
Address:
Access Type:
• CRTV: Current Real-time Value
Returns the current value of the Real-time Timer.
6430D–ATARM–25-Mar-11
31
23
15
31
23
15
7
7
Real-time Timer Alarm Register
Real-time Timer Value Register
30
22
14
30
22
14
0x400E1234
6
0x400E1238
6
RTT_AR
Read/Write
RTT_VR
Read-only
29
21
13
29
21
13
5
5
28
20
12
28
20
12
4
4
ALMV
ALMV
ALMV
ALMV
CRTV
CRTV
CRTV
CRTV
27
19
11
27
19
11
3
3
26
18
10
26
18
10
2
2
SAM3U Series
25
17
25
17
9
1
9
1
24
16
24
16
8
0
8
0
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