AT90USB1287-MU Atmel, AT90USB1287-MU Datasheet - Page 289
![IC AVR MCU 128K 64QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
AT90USB1287-MU
Manufacturer Part Number
AT90USB1287-MU
Description
IC AVR MCU 128K 64QFN
Manufacturer
Atmel
Series
AVR® 90USBr
Datasheet
1.AT90USB646-MU.pdf
(461 pages)
Specifications of AT90USB1287-MU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART, USB, USB OTG
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
48
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
Data Bus Width
8 bit
Data Ram Size
8 KB
Interface Type
2-Wire, SPI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
48
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Package
64QFN EP
Device Core
AVR
Family Name
AT90
Maximum Speed
20 MHz
Operating Supply Voltage
3.3|5 V
For Use With
ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATSTK525 - KIT STARTER FOR AT90USBAT90USBKEY2 - KIT DEMO FOR AT90USB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
AT90USB1287-16MU
AT90USB1287-16MU
AT90USB1287-16MU
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT90USB1287-MU
Manufacturer:
KEMET
Quantity:
30 000
- Current page: 289 of 461
- Download datasheet (5Mb)
7593K–AVR–11/09
• 7-3 - Reserved
The value read from these bits is always 0. Do not set these bits.
• 2-0 - BYCT10:8 - Byte count (high) Bits
Set by hardware. This field is the MSB of the byte count of the FIFO endpoint. The LSB part is
provided by the UEBCLX register.
• 7-0 - BYCT7:0 - Byte Count (low) Bits
Set by the hardware. BYCT10:0 is:
- (for IN endpoint) increased after each writing into the endpoint and decremented after each
byte sent,
- (for OUT endpoint) increased after each byte sent by the host, and decremented after each
byte read by the software.
• 7 - Reserved
The value read from these bits is always 0. Do not set these bits.
• 6-0 - EPINT6:0 - Endpoint Interrupts Bits
Set by hardware when an interrupt is triggered by the UEINTX register and if the corresponding
endpoint interrupt enable bit is set.
Cleared by hardware when the interrupt source is served.
Bit
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Read/Write
-
BYCT D7
R
7
0
R
-
R
7
0
7
0
EPINT D6
-
BYCT D6
R
R
6
0
6
0
R
6
0
-
EPINT D5
BYCT D5
R
5
0
R
5
0
R
5
0
-
EPINT D4
BYCT D4
R
4
0
R
4
0
R
4
0
-
EPINT D3
BYCT D3
R
3
0
R
3
0
R
3
0
BYCT D10 BYCT D9
EPINT D2
BYCT D2
R
2
0
AT90USB64/128
R
2
0
R
2
0
EPINT D1
BYCT D1
1
R
0
R
R
1
0
1
0
BYCT D8
EPINT D0 UEINT
BYCT D0 UEBCLX
R
0
0
R
R
0
0
0
0
UEBCHX
289
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