ATmega16HVB Atmel Corporation, ATmega16HVB Datasheet - Page 185
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
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Manufacturer
Quantity
Price
Company:
Part Number:
ATmega16HVB-8X3
Manufacturer:
LT
Quantity:
51
Part Number:
ATmega16HVB-8X3
Manufacturer:
ATMEL/爱特梅尔
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20 000
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8042D–AVR–10/11
• Bit 6 – TWBCIE: TWI Bus Connect/Disconnect Interrupt Enable
When the TWBCIE bit and the I-bit in the Status Register are set, the TWI Bus Connect/Discon-
ne ct In terr upt is e nab le d. Th e corre spon ding inte rrup t is execu ted if a TWI Bus
Connect/Disconnect occurs, that is, when the TWBCIE bit is set.
• Bit 5:3 – Reserved
These bits are reserved in the Atmel ATmega16HVB/32HVB and will always read as zero.
• Bit 2:1 – TWBDT1, TWBDT0: TWI Bus Disconnect Time-out Period
The TWBDT bits decides how long both the TWI data (SDA) and clock (SCL) signals must be
low before generating the TWI Bus Disconnect Interrupt. The different configuration values and
their corresponding time-out periods are shown in
Table 27-8.
• Bit 0 – TWBCIP: TWI Bus Connect/Disconnect Interrupt Polarity
The TWBCIP bit decide if the TWI Bus Connect/Disconnect Interrupt Flag (TWBCIF) should be
set on a Bus Connect or a Bus Disconnect. If TWBCIP is cleared, the TWBCIF flag is set on a
Bus Connect. If TWBCIP is set, the TWBCIF flag is set on a Bus Disconnect.
TWBDT1
0
0
1
1
TW Bus disconnect time-out period.
TWBDT0
0
1
0
1
TWI bus disconnect time-out period
250ms
500ms
1000ms
2000ms
Table
ATmega16HVB/32HVB
27-8.
185
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