AT32UC3B1128 Atmel Corporation, AT32UC3B1128 Datasheet - Page 548

• Manufacturer Part Number: AT32UC3B1128
• Manufacturer: Atmel Corporation

Specifications of AT32UC3B1128

• Flash (kbytes): 128 Kbytes
• Pin Count: 48
• Max. Operating Frequency: 60 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 28
• Ext Interrupts: 28
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 3
• Twi (i2c): 1
• Uart: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 6
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0-3.6 or (1.65-1.95+3.0-3.6)
• Operating Voltage (vcc): 3.0-3.6 or (1.65-1.95+3.0-3.6)
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 10
• Output Compare Channels: 16
• Input Capture Channels: 6
• Pwm Channels: 13
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

25.7.2
Name:
Access Type:
Offset:
Reset Value:
• SHTIM: Sample & Hold Time
• STARTUP: Start Up Time
• PRESCAL: Prescaler Rate Selection
• SLEEP: Sleep Mode
• LOWRES: Resolution
• TRGSEL: Trigger Selection
• TRGEN: Trigger Enable
32059L–AVR32–01/2012
31
23
15
0
0
0
0
1
1
1
–
–
7
–
Sample & Hold Time = (SHTIM+3) / ADCClock
Startup Time = (STARTUP+1) * 8 / ADCClock
This Time should respect a minimal value. Refer to Electrical Characteristics section for details.
ADCClock = CLK_ADC / ( (PRESCAL+1) * 2 )
1: Sleep Mode is selected.
0: Normal Mode is selected.
1: 8-bit resolution is selected.
0: 10-bit resolution is selected.
1: The hardware trigger selected by the TRGSEL field is enabled.
0: The hardware triggers are disabled. Starting a conversion is only possible by software.
Mode Register
TRGSEL
30
22
14
0
0
1
1
0
0
1
MR
Read/Write
0x04
0x00000000
–
6
–
SLEEP
29
21
13
0
1
0
1
0
1
0
–
5
Selected TRGSEL
Internal Trigger 0, depending of chip integration
Internal Trigger 1, depending of chip integration
Internal Trigger 2, depending of chip integration
Internal Trigger 3, depending of chip integration
Internal Trigger 4, depending of chip integration
Internal Trigger 5, depending of chip integration
External trigger
LOWRES
28
20
12
–
4
PRESCAL
STARTUP
27
19
11
3
TRGSEL
26
18
10
2
SHTIM
25
17
9
1
TRGEN
24
16
8
0
548