ATmega16HVB Atmel Corporation, ATmega16HVB Datasheet - Page 35
ATmega16HVB
Manufacturer Part Number
ATmega16HVB
Description
Manufacturer
Atmel Corporation
Specifications of ATmega16HVB
Flash (kbytes)
16 Kbytes
Pin Count
44
Max. Operating Frequency
8 MHz
Cpu
8-bit AVR
# Of Touch Channels
8
Hardware Qtouch Acquisition
No
Max I/o Pins
17
Ext Interrupts
15
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
12
Adc Speed (ksps)
1.9
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
1
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
4.0 to 25
Operating Voltage (vcc)
4.0 to 25
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
4
Input Capture Channels
2
32khz Rtc
No
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATmega16HVB-8X3
Manufacturer:
LT
Quantity:
51
Part Number:
ATmega16HVB-8X3
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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10. Power management and sleep modes
10.1
Table 10-1.
Notes:
8042D–AVR–10/11
Mode
Idle
ADC noise reduction
Power-save
Power-off
Sleep modes
1. Discharge FET must be switched off for Charge Detect to be active.
2. When waking from Power-off the Charger Detect will generate a Power-on Reset (POR). From other sleep modes a charger
detect interrupt will wake-up chip.
Wake-up Sources for Sleep Modes.
Sleep modes enable the application to shut down unused modules in the MCU, thereby saving
power. The AVR provides various sleep modes allowing the user to tailor the power consump-
tion to the application’s requirements.
Figure 9-1 on page 25
and their distribution. The figure is helpful in selecting an appropriate sleep mode. The different
sleep modes and their wake up sources is summarized in
36
To enter any of the sleep modes, the SE bit in SMCR, see
ter” on page
SM2..0 bits in the SMCR Register select which sleep mode will be activated by the SLEEP
instruction. See
If an enabled interrupt occurs while the MCU is in a sleep mode, the MCU wakes up. The MCU
is then halted for four cycles in addition to the start-up time, executes the interrupt routine, and
resumes execution from the instruction following SLEEP. The contents of the register file and
SRAM are unaltered when the device wakes up from any sleep mode except Power-off. If a
reset occurs during sleep mode, the MCU wakes up and executes from the Reset Vector.
shows a sleep mode state diagram.
X
X
X
39, must be written to logic one and a SLEEP instruction must be executed. The
Table 10-3 on page 40
X
X
X
presents the different clock systems in the Atmel ATmega16HVB/32HVB,
X
X
X
X
X
X
for a summary.
X
X
X
Wake-up sources
X
X
ATmega16HVB/32HVB
X
X
X
Table
”SMCR – Sleep Mode Control Regis-
X
X
10-1, and
X
Figure 10-1 on page
X
X
X
X
X
X
X
X
X
35
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