ATmega16HVB Atmel Corporation, ATmega16HVB Datasheet - Page 43
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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11.2.1
8042D–AVR–10/11
Power-on reset and charger connect
Figure 11-1. Reset logic.
The Voltage Regulator will not start up until the Charger Detect module has enabled it. Before
this happens the chip will be in Power-off mode and only the Charger Detect module is enabled.
In order for the Charger Detect module to enable the Voltage Regulator, the voltage at the BATT
pin must exceed the Power-On Threshold Voltage, V
exceeds V
Delay Counter times out, the chip will enter Active mode. See
details on Charger Detect, see
RESET
/dW
POT
V
REG
, the Voltage Regulator starts up and the chip enters RESET mode. When the
Pull-up Resistor
FILTER
SPIKE
V
CC
”Charger detect” on page
Ultra Low Power
RC Oscillator
Reset Circuit
SUT[1:0]
debugWIRE
Watchdog
Brown-out
Power-on
Detection
Generator
Circuit
Timer
Reset
Clock
POR
CK
Register (MCUSR)
MCU Status
DATA BUS
Delay Counters
ATmega16HVB/32HVB
POT
COUNTER RESET
126.
. When the voltage at the BATT pin
TIMEOUT
Figure 10-1 on page
36. For
43
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