AT32UC3L0256 Atmel Corporation, AT32UC3L0256 Datasheet - Page 814

• Manufacturer Part Number: AT32UC3L0256
• Manufacturer: Atmel Corporation

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

32.9
32.9.1
Table 32-38. Maximum Reset and Wake-up Timing
Note:
32.9.2
Table 32-39. RESET_N Waveform Parameters
Note:
32145A–12/2011
Parameter
Startup time from power-up, using
regulator
Startup time from power-up, no
regulator
Startup time from reset release
Wake-up
Wake-up from shutdown
Symbol
t
RESET
Timing Characteristics
1. 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-
Startup, Reset, and Wake-up Timing
RESET_N Timing
cess technology. These values are not covered by test limits in production.
cess technology. These values are not covered by test limits in production.
Parameter
RESET_N minimum pulse length
Idle
Frozen
Standby
Stop
Deepstop
Static
The startup, reset, and wake-up timings are calculated using the following formula:
Where
clock source other than RCSYS is selected as the CPU clock, the oscillator startup time,
modes. Please refer to the source for the CPU clock in the
799
t
t
OSCSTART
=
for more details about oscillator startup times.
t
CONST
t
CONST
Time from VDDIN crossing the V
POR33 to the first instruction entering the decode
stage of CPU. VDDCORE is supplied by the internal
regulator.
Time from VDDIN crossing the V
POR33 to the first instruction entering the decode
stage of CPU. VDDCORE is connected to VDDIN.
Time from releasing a reset source (except POR18,
POR33, and SM33) to the first instruction entering
the decode stage of CPU.
From wake-up event to the first instruction of an
interrupt routine entering the decode stage of the
CPU.
From wake-up event to the first instruction entering
the decode stage of the CPU.
Measuring
, must be added to the wake-up time from the stop, deepstop, and static sleep
+
N
and
CPU
N
(1)
CPU
t
CPU
(1)
are found in
Conditions
Table
POT+
POT+
threshold of
threshold of
32-38.
t
CPU
AT32UC3L0128/256
Min
”Oscillator Characteristics” on page
is the period of the CPU clock. If a
Max
10
27 +
27 +
97 +
t
CONST
t
t
t
2210
1810
1180
OSCSTART
OSCSTART
OSCSTART
170
0
0
0
Max
(in µs)
Units
Max
ns
110
110
116
116
116
N
19
0
0
0
0
CPU
814