参数资料
型号: AT90USB1286-MUR
厂商: Atmel
文件页数: 56/106页
文件大小: 0K
描述: MCU AVR 128K FLASH 16MHZ 64QFN
产品培训模块: MCU Product Line Introduction
megaAVR Introduction
标准包装: 4,000
系列: AVR® 90USB
核心处理器: AVR
芯体尺寸: 8-位
速度: 16MHz
连通性: EBI/EMI,I²C,SPI,UART/USART,USB,USB OTG
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 48
程序存储器容量: 128KB(128K x 8)
程序存储器类型: 闪存
EEPROM 大小: 4K x 8
RAM 容量: 8K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
数据转换器: A/D 8x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 64-VFQFN 裸露焊盘
包装: 带卷 (TR)
其它名称: AT90USB1286-MUR-ND
AT90USB1286-MURTR
53
7593L–AVR–09/12
AT90USB64/128
If Timer/Counter2 is enabled, it will keep running during sleep. The device can wake up from
either Timer Overflow or Output Compare event from Timer/Counter2 if the corresponding
Timer/Counter2 interrupt enable bits are set in TIMSK2, and the Global Interrupt Enable bit in
SREG is set.
If Timer/Counter2 is not running, Power-down mode is recommended instead of Power-save
mode.
The Timer/Counter2 can be clocked both synchronously and asynchronously in Power-save
mode. If the Timer/Counter2 is not using the asynchronous clock, the Timer/Counter Oscillator is
stopped during sleep. If the Timer/Counter2 is not using the synchronous clock, the clock source
is stopped during sleep. Note that even if the synchronous clock is running in Power-save, this
clock is only available for the Timer/Counter2.
8.5
Standby mode
When the SM2..0 bits are 110 and an external crystal/resonator clock option is selected, the
SLEEP instruction makes the MCU enter Standby mode. This mode is identical to Power-down
with the exception that the Oscillator is kept running. From Standby mode, the device wakes up
in six clock cycles. Note that in Stanby mode the PLL is disabled and the USB interface will not
function.
8.6
Extended Standby mode
When the SM2..0 bits are 111 and an external crystal/resonator clock option is selected, the
SLEEP instruction makes the MCU enter Extended Standby mode. This mode is identical to
Power-save mode with the exception that the Oscillator is kept running. From Extended Standby
mode, the device wakes up in six clock cycles.
Notes:
1. Only recommended with external crystal or resonator selected as clock source.
2. If Timer/Counter2 is running in asynchronous mode.
3. For INT7:4, only level interrupt.
4. Asynchronous USB interrupts are VBUSTI, WAKEUPI, IDTI and HWUPI.
Table 8-2.
Active clock domains and wake-up sources in the different sleep modes.
Active clock domains
Oscillators
Wake-up sources
Sleep mode
clk
CP
U
clk
FLA
SH
clk
IO
clk
AD
C
clk
AS
Y
Main
c
loc
k
sou
rce
ena
b
led
Tim
e
rosci
llato
r
ena
b
led
INT
7
:0
an
d
Pin
C
h
ang
e
TWI
ad
d
ress
mat
c
h
Tim
e
r2
SPM/
EEPR
OM
read
y
ADC
WDT
interrupt
Othe
rI/O
USB
syn
c
h
ro
no
us
int
e
rrupt
s
USB
asy
nc
ho
nou
s
int
e
rrupt
s
Idle
XXX
X
X (2)
XXX
ADCNRM
X
X (2)
X (3)
XX (2)
XXX
XX
Power-downX (3)
XX
X
Power-saveX
X (2)
X (3)
X
XXX
Standby (1)
XX (3)
XX
X
Extended
standby
X (2)
XX (2)
X (3)
X
XXX
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