AT32UC3A4128S Atmel Corporation, AT32UC3A4128S Datasheet - Page 190

• Manufacturer Part Number: AT32UC3A4128S
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A4128S

• Flash (kbytes): 128 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• Hardware Qtouch Acquisition: No
• Usb Transceiver: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 2
• Uart: 4
• Sd / Emmc: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: AES
• Sram (kbytes): 128
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0 to 3.6
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

32072G–11/2011
•Write is controlled by NCS (MODE.WRITEMODE = 0)
Figure 15-13. WRITEMODE = 1. The Write Operation Is Controlled by NWE
Figure 15-14 on page 190
written to zero. The data is put on the bus during the pulse and hold steps of the NCS signal.
The internal data buffers are turned out after the NCSWRSETUP time, and until the end of the
write cycle, regardless of the programmed waveform on NWE.
Figure 15-14. WRITEMODE = 0. The Write Operation Is Controlled by NCS
A[AD_MSB:2]
A[AD_MSB:2]
NWR0, NWR1
NWR0, NWR1
NBS0, NBS1,
NBS0, NBS1,
A0, A1
A0, A1
CLK_SMC
CLK_SMC
NWE,
D[15:0]
NWE,
D[15:0]
NCS
NCS
shows the waveforms of a write operation with MODE.WRITEMODE
190