AT32UC3L0256 Atmel Corporation, AT32UC3L0256 Datasheet - Page 352
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AT32UC3L0256
Manufacturer Part Number
AT32UC3L0256
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.AT32UC3L0128.pdf
(85 pages)
4.AT32UC3L0128.pdf
(852 pages)
Specifications of AT32UC3L0256
Flash (kbytes)
256 Kbytes
Pin Count
48
Max. Operating Frequency
50 MHz
Cpu
32-bit AVR
# Of Touch Channels
17
Hardware Qtouch Acquisition
Yes
Max I/o Pins
36
Ext Interrupts
36
Usb Speed
No
Usb Interface
No
Spi
5
Twi (i2c)
2
Uart
4
Lin
4
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
12
Adc Speed (ksps)
460
Analog Comparators
8
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.62 to 3.6
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
18
Input Capture Channels
12
Pwm Channels
35
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT32UC3L0256-D3HR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT32UC3L0256-H
Manufacturer:
ATMEL
Quantity:
270
Part Number:
AT32UC3L0256-H
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3L0128 PDF datasheet #3
- AT32UC3L0128 PDF datasheet #4
- Current page: 352 of 852
- Download datasheet (13Mb)
18.7
18.7.1
32145A–12/2011
User Interface
Access Types
The GPIO controller manages all the GPIO pins on the 32-bit AVR microcontroller. The pins are
managed as 32-bit ports that are configurable through a Peripheral Bus (PB) interface. Each
port has a set of configuration registers. The overall memory map of the GPIO is shown below.
The number of pins and hence the number of ports is product specific.
Figure 18-6. Port Configuration Registers
In the peripheral muxing table in the Package and Pinout chapter each GPIO pin has a unique
number. Note that the PA, PB, PC, and PX ports do not necessarily directly correspond to the
GPIO ports. To find the corresponding port and pin the following formulas can be used:
GPIO port = floor((GPIO number) / 32), example: floor((36)/32) = 1
GPIO pin = GPIO number % 32, example: 36 % 32 = 4
Table 18-2
port address offset. The specific address of a configuration register is found by adding the regis-
ter offset and the port offset to the GPIO start address. One bit in each of the configuration
registers corresponds to a GPIO pin.
Most configuration register can be accessed in four different ways. The first address location can
be used to write the register directly. This address can also be used to read the register value.
The following addresses facilitate three different types of write access to the register. Performing
a “set” access, all bits written to one will be set. Bits written to zero will be unchanged by the
operation. Performing a “clear” access, all bits written to one will be cleared. Bits written to zero
will be unchanged by the operation. Finally, a toggle access will toggle the value of all bits writ-
shows the configuration registers for one port. Addresses shown are relative to the
Port 0 Configuration Registers
Port 1 Configuration Registers
Port 2 Configuration Registers
Port n Configuration Registers
AT32UC3L0128/256
n*0x200
0x0000
0x0200
0x0400
352
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