ATUC128L4U Atmel Corporation, ATUC128L4U Datasheet - Page 916

• 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

35.9.8
Table 35-35. Analog Comparator Characteristics
Notes:
35.9.9
35.9.9.1
Table 35-36. DICS Characteristics
Note:
32142A–12/2011
Symbol
f
I
t
Symbol
R
k
AC
AC
STARTUP
REF
1. AC.CONFn.FLEN and AC.CONFn.HYS fields, refer to the Analog Comparator Interface chapter.
2. Referring to f
3. These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same pro-
1. These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same pro-
Analog Comparator Characteristics
Capacitive Touch Characteristics
cess technology. These values are not covered by test limits in production.
cess technolo. These values are not covered by test limits in production.
Parameter
Positive input
voltage range
Negative input
voltage range
Statistical offset
Clock frequency for
GCLK4
Throughput rate
Propagation delay
Current
consumption
Startup time
Input current per
pin
Discharge Current Source
Parameter
Internal resistor
Trim step size
(3)
(3)
AC
(3)
(3)
(3)
.
(1)
(3)
(3)
Condition
V
f
filter length = 2,
hysteresis = 0
f
Delay from input
change to
Interrupt Status
Register Changes
All channels,
VDDIO = 3.3V,
f
AC
AC
A
ACREFN
= 3MHz
= 12MHz
= 12MHz,
= 1.0V,
(1)
Min
-0.2
-0.2
⎛
⎝
----------------------------------------
t
CLKACIFB
Min
1
f
Typ
420
AC
0.2
20
3
Typ
170
0.7
+
3
ATUC64/128/256L3/4U
⎞
⎠
t
CLKACIFB
Max
V
V
12 000 000
VDDIO
VDDIO
Max
12
+ 0.3
- 0.6
Unit
kOhm
%
Comparisons
per second
µA/MHz
cycles
Units
MHz
mV
µA
ns
V
(2)
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