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부품번호 | AT90USB1286 기능 |
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기능 | (AT90USBxxx) 8-bit Microcontroller | ||
제조업체 | ATMEL Corporation | ||
로고 | |||
전체 70 페이지수
Features
• High Performance, Low Power AVR® 8-Bit Microcontroller
• Advanced RISC Architecture
– 135 Powerful Instructions – Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
– Up to 16 MIPS Throughput at 16 MHz
– On-Chip 2-cycle Multiplier
• Non-volatile Program and Data Memories
– 32/64/128K Bytes of In-System Self-Programmable Flash
• Endurance: 100,000 Write/Erase Cycles
– Optional Boot Code Section with Independent Lock Bits
• USB Bootloader programmed by default in the Factory
• In-System Programming by On-chip Boot Program hardware activated after
reset
• True Read-While-Write Operation
• All supplied parts are preprogramed with a default USB bootloader
– 1K/2K/4K (32K/64K/128K Flash version) Bytes EEPROM
• Endurance: 100,000 Write/Erase Cycles
– 2.5K/4K/8K (32K/64K/128K Flash version) Bytes Internal SRAM
– Up to 64K Bytes Optional External Memory Space
– Programming Lock for Software Security
• JTAG (IEEE std. 1149.1 compliant) Interface
– Boundary-scan Capabilities According to the JTAG Standard
– Extensive On-chip Debug Support
– Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface
• USB 2.0 Full-speed/Low-speed Device and On-The-Go Module
– Complies fully with:
– Universal Serial Bus Specification REV 2.0
– On-The-Go Supplement to the USB 2.0 Specification Rev 1.0
– Supports data transfer rates up to 12 Mbit/s and 1.5 Mbit/s
• USB Full-speed/Low Speed Device Module with Interrupt on Transfer Completion
– Endpoint 0 for Control Transfers : up to 64-bytes
– 6 Programmable Endpoints with IN or Out Directions and with Bulk, Interrupt or
Isochronous Transfers
– Configurable Endpoints size up to 256 bytes in double bank mode
– Fully independant 832 bytes USB DPRAM for endpoint memory allocation
– Suspend/Resume Interrupts
– Power-on Reset and USB Bus Reset
– 48 MHz PLL for Full-speed Bus Operation
– USB Bus Disconnection on Microcontroller Request
• USB OTG Reduced Host :
– Supports Host Negotiation Protocol (HNP) and Session Request Protocol (SRP)
for OTG dual-role devices
– Provide Status and control signals for software implementation of HNP and SRP
– Provides programmable times required for HNP and SRP
• Peripheral Features
– Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
– Two16-bit Timer/Counter with Separate Prescaler, Compare- and Capture Mode
8-bit
Microcontroller
with
64/128K Bytes
of ISP Flash
and USB
Controller
ATmega32U6
AT90USB646
AT90USB647
AT90USB1286
AT90USB1287
7593H–AVR–11/08
Free Datasheet http://www.datasheet4u.com/
Figure 1-2. Pinout ATmega32U6/AT90USB64/128-QFN
(INT.6/AIN.0) PE6 1
(INT.7/AIN.1/UVcon) PE7 2
UVcc 3
D- 4
D+ 5
UGnd 6
UCap 7
VBus 8
(IUID) PE3 9
(SS/PCINT0) PB0 10
(PCINT1/SCLK) PB1 11
(PDI/PCINT2/MOSI) PB2 12
(PDO/PCINT3/MISO) PB3 13
(PCINT4/OC.2A) PB4 14
(PCINT5/OC.1A) PB5 15
(PCINT6/OC.1B) PB6 16
INDEX CORNER
ATmega32U6
AT90USB128/64
(64-lead QFN top view)
48 PA3 (AD3)
47 PA4 (AD4)
46 PA5 (AD5)
45 PA6 (AD6)
44 PA7 (AD7)
43 PE2 (ALE/HWB)
42 PC7 (A15/IC.3/CLKO)
41 PC6 (A14/OC.3A)
40 PC5 (A13/OC.3B)
39 PC4 (A12/OC.3C)
38 PC3 (A11/T.3)
37 PC2 (A10)
36 PC1 (A9)
35 PC0 (A8)
34 PE1 (RD)
33 PE0 (WR)
Note:
The large center pad underneath the MLF packages is made of metal and internally connected to
GND. It should be soldered or glued to the board to ensure good mechanical stability. If the center
pad is left unconnected, the package might loosen from the board.
1.1 Disclaimer
Typical values contained in this datasheet are based on simulations and characterization of
other AVR microcontrollers manufactured on the same process technology. Min and Max values
will be available after the device is characterized.
2. Overview
The ATmega32U6/AT90USB64/128 is a low-power CMOS 8-bit microcontroller based on the
AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the
4 ATmega32U6/AT90USB64/128
7593H–AVR–11/08
Free Datasheet http://www.datasheet4u.com/
4페이지 ATmega32U6/AT90USB64/128
2.2 Pin Descriptions
2.2.1 VCC
Digital supply voltage.
2.2.2 GND
Ground.
2.2.3 AVCC
Analog supply voltage.
2.2.4
Port A (PA7..PA0)
Port A is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port A output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port A pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port A pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port A also serves the functions of various special features of the
ATmega32U6/AT90USB64/128 as listed on page 79.
2.2.5
Port B (PB7..PB0)
Port B is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port B output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port B pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port B pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port B has better driving capabilities than the other ports.
Port B also serves the functions of various special features of the
ATmega32U6/AT90USB64/128 as listed on page 80.
2.2.6
Port C (PC7..PC0)
Port C is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port C output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port C pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port C pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port C also serves the functions of special features of the ATmega32U6/AT90USB64/128 as
listed on page 83.
2.2.7
Port D (PD7..PD0)
Port D is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port D output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port D pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port D pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port D also serves the functions of various special features of the
ATmega32U6/AT90USB64/128 as listed on page 84.
7593H–AVR–11/08
7
Free Datasheet http://www.datasheet4u.com/
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부품번호 | 상세설명 및 기능 | 제조사 |
AT90USB1286 | 8-bit Microcontroller | ATMEL Corporation |
AT90USB1286 | (AT90USBxxx) 8-bit Microcontroller | ATMEL Corporation |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |