AT90USB1287-AUR Atmel, AT90USB1287-AUR Datasheet - Page 146
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AT90USB1287-AUR
Manufacturer Part Number
AT90USB1287-AUR
Description
MCU AVR 128K FLASH 16MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® 90USBr
Datasheet
1.AT90USB646-MU.pdf
(461 pages)
Specifications of AT90USB1287-AUR
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-TQFP, 64-VQFP
Processor Series
AT90USBx
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
8 KB
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATSTK525, ATAVRISP2, ATAVRONEKIT, AT90USBKEY, ATEVK525, ATAVRQTOUCHX
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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14.10.13 Output Compare Register 3 B – OCR3BH and OCR3BL
14.10.14 Output Compare Register 3 C – OCR3CH and OCR3CL
14.10.15 Input Capture Register 1 – ICR1H and ICR1L
14.10.16 Input Capture Register 3 – ICR3H and ICR3L
14.10.17 Timer/Counter1 Interrupt Mask Register – TIMSK1
146
AT90USB64/128
The Output Compare Registers contain a 16-bit value that is continuously compared with the
counter value (TCNTn). A match can be used to generate an Output Compare interrupt, or to
generate a waveform output on the OCnx pin.
The Output Compare Registers are 16-bit in size. To ensure that both the high and low bytes are
written simultaneously when the CPU writes to these registers, the access is performed using an
8-bit temporary High Byte Register (TEMP). This temporary register is shared by all the other
16-bit registers.
The Input Capture is updated with the counter (TCNTn) value each time an event occurs on the
ICPn pin (or optionally on the Analog Comparator output for Timer/Counter1). The Input Capture
can be used for defining the counter TOP value.
The Input Capture Register is 16-bit in size. To ensure that both the high and low bytes are read
simultaneously when the CPU accesses these registers, the access is performed using an 8-bit
temporary High Byte Register (TEMP). This temporary register is shared by all the other 16-bit
registers.
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
See “Accessing 16-bit Registers” on page 119.
7
OCR3B[15:8]
OCR3B[7:0]
R/W
0
7
OCR3C[15:8]
OCR3C[7:0]
R/W
0
7
ICR1[15:8]
ICR1[7:0]
R/W
0
7
ICR3[15:8]
ICR3[7:0]
R/W
0
7
–
R
0
See “Accessing 16-bit Registers” on page 119.
6
R/W
0
6
R/W
0
6
R/W
0
6
R/W
0
6
–
R
0
5
R/W
0
5
R/W
0
5
R/W
0
5
R/W
0
5
ICIE1
R/W
0
4
R/W
0
4
R/W
0
4
R/W
0
4
R/W
0
4
–
R
0
3
R/W
0
3
R/W
0
3
R/W
0
3
R/W
0
3
OCIE1
C
R/W
0
2
R/W
0
2
R/W
0
2
R/W
0
2
R/W
0
2
OCIE1B
R/W
0
1
0
1
0
1
0
1
0
R/W
R/W
R/W
R/W
OCIE1A
R/W
1
0
0
R/W
0
0
R/W
0
0
R/W
0
0
R/W
0
0
TOIE1
R/W
0
OCR3BH
OCR3BL
OCR3CH
OCR3CL
ICR1H
ICR1L
ICR3H
ICR3L
TIMSK1
7593K–AVR–11/09
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