ATUC128L4U Atmel Corporation, ATUC128L4U Datasheet - Page 856

• Manufacturer Part Number: ATUC128L4U
• Manufacturer: Atmel Corporation

Specifications of ATUC128L4U

• Flash (kbytes): 128 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 Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 2
• Uart: 4
• Lin: 4
• Ssc: 1
• 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

34.4.3
Figure 34-5. JTAG and Boundary-scan Access
34.4.4
Table 34-7.
34.4.5
32142A–12/2011
Pin Name
RESET_N
TCK
TMS
TDI
TDO
JTAG master
Block Diagram
I/O Lines Description
Product Dependencies
2nd JTAG
TMS
TMS
I/O Line Description
device
TCK
TCK
External reset pin. Used when enabling and disabling the JTAG.
Test Mode Select, sampled on rising TCK.
Pin Description
Test Clock Input. Fully asynchronous to system clock frequency.
Test Data In, sampled on rising TCK.
Test Data Out, driven on falling TCK.
TDO TDI
TDO
TDI
In order to use this module, other parts of the system must be configured correctly, as described
below.
TCK
TMS
TDO
TDI
JTAG
Instruction Register
Instruction register
scan enable
Controller
TAP
32-bit AVR device
JTAG data registers
Part specific registers
Device Identification
Service Access Bus
By-pass Register
Reset Register
Data register
Boundary scan enable
scan enable
interface
Register
SAB
...
ATUC64/128/256L3/4U
Input
Output
Type
Input
Input
Input
Internal I/O
lines
Active Level
Low
856