AT90USB647 Atmel Corporation, AT90USB647 Datasheet - Page 240

no-image

AT90USB647

Manufacturer Part Number
AT90USB647
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of AT90USB647

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
48
Ext Interrupts
16
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
2
Twi (i2c)
1
Uart
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
10
Input Capture Channels
1
Pwm Channels
9
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT90USB647-16AE
Quantity:
8
Part Number:
AT90USB647-16AU
Manufacturer:
HITACHI
Quantity:
2 000
Part Number:
AT90USB647-AU
Manufacturer:
MURATA
Quantity:
1 000
Part Number:
AT90USB647-AU
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
AT90USB647-AUR
Manufacturer:
Atmel
Quantity:
1 951
Part Number:
AT90USB647-AUR
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
AT90USB647-MU
Manufacturer:
AAT
Quantity:
18 240
Part Number:
AT90USB647-MUR
Manufacturer:
AD
Quantity:
2 747
20.8.4
240
AT90USB64/128
Slave Transmitter Mode
Figure 20-17. Formats and States in the Slave Receiver Mode
In the Slave Transmitter mode, a number of data bytes are transmitted to a Master Receiver
(see
are zero or are masked to zero.
Figure 20-18. Data Transfer in Slave Transmitter Mode
Figure
Reception of the own
slave address and one or
more data bytes. All are
acknowledged
Last data byte received
is not acknowledged
Arbitration lost as master
and addressed as slave
Reception of the general call
address and one or more data
bytes
Last data byte received is
not acknowledged
Arbitration lost as master and
addressed as slave by general call
SDA
SCL
20-18). All the status codes mentioned in this section assume that the prescaler bits
From master to slave
From slave to master
TRANSMITTER
Device 1
SLAVE
S
SLA
General Call
Device 2
RECEIVER
MASTER
W
DATA
$60
$68
$70
$78
Device 3
A
A
A
A
n
A
........
DATA
DATA
Any number of data bytes
and their associated acknowledge bits
This number (contained in TWSR) corresponds
to a defined state of the Two-Wire Serial Bus. The
prescaler bits are zero or masked to zero
Device n
$80
$90
A
A
V
CC
DATA
DATA
R1
$80
$88
$90
$98
A
A
A
A
R2
P or S
P or S
P or S
P or S
$A0
$A0
7593K–AVR–11/09

Related parts for AT90USB647