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SMT-0540-S-R 数据表(PDF) 21 Page - ATMEL Corporation

部件名 SMT-0540-S-R
功能描述  AT90USB1287 (AVR) 64 QFN device (2.7V < VCC < 5.5V)
PDF  38 Pages
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制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

SMT-0540-S-R 数据表(HTML) 21 Page - ATMEL Corporation

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AT88CK109STK User Guide
4-1
8699A—CRYPTO—10/09
Section 4
Troubleshooting Guide
Table 4.
Troubleshooting Guide
Problem
Reason
Solution
The blue Power LED is not on.
USB Port of AT88Microbase is not
connected to PC.
Connect AT88Microbase USB port
to PC's USB port.
The JTAG header is not connected
to JTAG programmer.
Connect the JTAG header to the
JTAG programmer.
The memory lock bits are
programmed.
Erase the memory before
programmed.
Reset disable fuse is set.
Check reset disable fuse.
Programming too fast with ISP SPI
Check oscillator settings and make
sure it is not set higher than SPI
clock
USB Port of AT88Microbase is not
connected to PC (programmed
through USB).
Connect AT88Microbase USB port
to PC's USB port.
AT88Microbase is not in DFU mode.
― Press and hold the “HWB” push
button.
― Press the “RESET” push button.
― Release the “RESET” push
button.
― Release the “HWB” push button.
The AVR device cannot be
programmed.
The communication medium in FLIP
hasn't been selected
From the FLIP menu, select
“Settings > Communication > USB”.
AVR Studio does not detect
JTAG or ISP programmer.
JTAG or ISP programmer is not
connected or power is off.
Connect JTAG programmer to
JTAG header or ISP programmer to
ISP header and check power
connections.
FLIP program not working.
AT88Microbase is not in DFU mode.
JTAG to load the bootloader and set
(check) the HWBE fuse.
Correct fuse settings:
Reading fuses address 0 to 2..
0xDE, 0x99, 0xF3



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