AT32UC3C0256C Atmel Corporation, AT32UC3C0256C Datasheet - Page 309

• Manufacturer Part Number: AT32UC3C0256C
• Manufacturer: Atmel Corporation

Specifications of AT32UC3C0256C

• Flash (kbytes): 256 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 123
• Ext Interrupts: 144
• Usb Transceiver: 1
• Quadrature Decoder Channels: 2
• Usb Speed: Full Speed
• Usb Interface: Device + OTG
• Spi: 7
• Twi (i2c): 3
• Uart: 5
• Can: 2
• Lin: 5
• Ssc: 1
• Ethernet: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 16
• Adc Resolution (bits): 12
• Adc Speed (ksps): 2000
• Analog Comparators: 4
• Resistive Touch Screen: No
• Dac Channels: 4
• Dac Resolution (bits): 12
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 68
• Self Program Memory: YES
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0 to 3.6 or 4.5 to 5.5
• Operating Voltage (vcc): 3.0 to 3.6 or 4.5 to 5.5
• Fpu: Yes
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 22
• Input Capture Channels: 12
• Pwm Channels: 20
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

Figure 18-3.
18.6.3
18.6.3.1
18.6.3.2
32117C–AVR-08/11
Connection to External Devices
SMC
Data bus width
Byte write or byte select access
Memory Connections for Six External Devices
NCS[0] - NCS[5]
A[AD_MSB:0]
D[15:0]
NWE
NRD
A data bus width of 8 or 16 bits can be selected for each chip select. This option is controlled by
the Data Bus Width field in the Mode Register (MODE.DBW) for the corresponding chip select.
Figure 18-4 on page 309
page 310
Each chip select with a 16-bit data bus can operate with one of two different types of write
access: byte write or byte select access. This is controlled by the Byte Access Type bit in the
MODE register (MODE.BAT) for the corresponding chip select.
Figure 18-4.
shows how to connect a 512K x 16-bit memory on NCS2.
Memory Connection for an 8-bit Data Bus
SMC
shows how to connect a 512K x 8-bit memory on NCS2.
NCS[2]
A[18:2]
D[7:0]
NWE
NRD
A0
A1
8 or 16
NCS0
NCS1
NCS2
A[AD_MSB:0]
D[15:0] or D[7:0]
Memory Enable
Output Enable
Write Enable
NCS3
Memory Enable
NCS4
Memory Enable
NCS5
Memory Enable
D[7:0]
A[18:2]
Write Enable
Output Enable
Memory Enable
A0
A1
Memory Enable
Memory Enable
AT32UC3C
Figure 18-5 on
309