ATmega16HVB Atmel Corporation, ATmega16HVB Datasheet - Page 205
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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30.2
30.2.1
8042D–AVR–10/11
Fuse bits
High byte
Table 30-2.
Notes:
The Atmel ATmega16HVB/32HVB has two Fuse bytes.
describe briefly the functionality of all the fuses and how they are mapped into the Fuse byte.
Note that the fuses are read as logical zero, “0”, if they are programmed.
Table 30-3.
Notes:
Bit no
BLB1
Mode
7:5
4
3
2
1
0
1
2
3
4
Memory lock bits
1. Program the Fuse bits and Boot Lock bits before programming the LB1 and LB2.
2. “1” means unprogrammed, “0” means programmed.
1. The fuse controls the initial value of the System Clock prescaler, see
2. The default value of BOOTSZ1:0 results in maximum Boot Size.
on page 28
Fuse high byte
BLB12
CKDIV8
BOOTRST
BOOTSZ1
BOOTSZ0
Lock bit protection modes
Fuse high byte.
1
1
0
0
DWEN
–
for details.
(1)
BLB11
1
0
0
1
Protection type
No restrictions for SPM or LPM accessing the Boot Loader section
SPM is not allowed to write to the Boot Loader section
SPM is not allowed to write to the Boot Loader section, and LPM
executing from the Application section is not allowed to read from
the Boot Loader section. If Interrupt Vectors are placed in the
Application section, interrupts are disabled while executing from the
Boot Loader section
LPM executing from the Application section is not allowed to read
from the Boot Loader section. If Interrupt Vectors are placed in the
Application section, interrupts are disabled while executing from the
Boot Loader section
Divide system clock by 8
Select reset vector
Enable debugWire
Select boot size
Select boot size
(1)(2)
Description
. (Continued)
ATmega16HVB/32HVB
Table 30-4 on page 206
Default value
0 (programmed)
1 (unprogrammed)
0 (programmed)
0 (programmed)
1 (unprogrammed)
”System clock prescaler”
and
(2)
(2)
Table 30-3
205
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