AT90CAN64 Atmel Corporation, AT90CAN64 Datasheet - Page 52
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AT90CAN64
Manufacturer Part Number
AT90CAN64
Description
Manufacturer
Atmel Corporation
Specifications of AT90CAN64
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
53
Ext Interrupts
8
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Uart
2
Can
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
4
Eeprom (bytes)
2048
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
4
Output Compare Channels
8
Input Capture Channels
2
Pwm Channels
7
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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Company
Part Number
Manufacturer
Quantity
Price
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Part Number:
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Part Number:
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MICROCHIP/微芯
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Part Number:
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Manufacturer:
MICROCHIP/微芯
Quantity:
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Part Number:
AT90CAN64-16MU
Manufacturer:
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Quantity:
20 000
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Table 7-1.
Note:
7.1.3
52
Symbol
V
V
V
V
t
CCRR
RST
POT
POR
RST
1. The Power-on Reset will not work unless the supply voltage has been below V
AT90CAN32/64/128
Power-on Reset
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
Minimum pulse width on RESET Pin
Vcc Start Voltage to ensure
Vcc Rise Rate to ensure
RESET Pin Threshold Voltage
Reset Characteristics
internal Power-on Reset signal
internal Power-on Reset signal
Figure 7-1.
A Power-on Reset (POR) pulse is generated by an On-chip detection circuit. The detection level
is defined in
POR circuit can be used to trigger the start-up Reset, as well as to detect a failure in supply
voltage.
A Power-on Reset (POR) circuit ensures that the device is properly reset from Power-on if V
started from V
voltage invokes the delay counter, which determines how long the device is kept in RESET after
BODLEVEL [2..0]
Table
Reset Logic
POR
with a rise rate upper than V
7-1. The POR is activated whenever V
Pull-up Resistor
(1)
JTAG Reset
Register
Spike
Filter
Vcc = 5 V, temperature = 25 °C
CKSEL[3:0]
Power-on Reset
Reset Circuit
SUT[1:0]
Condition
Brown-out
Watchdog
Oscillator
Generator
Circuit
Clock
CCRR
CK
Register (MCUSR)
. Reaching the Power-on Reset threshold
MCU Status
DATA BUS
POT
Delay Counters
(falling)
CC
- 0.05
is below the detection level. The
Min.
Vcc
0.3
0.2
GND
Typ.
400
1.4
1.3
TIMEOUT
+ 0.05
Max.
0.85
Vcc
2.3
2.3
7679H–CAN–08/08
Units
V/ms
ns
V
V
V
V
CC
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