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AT6005-2JI Datasheet(PDF) 10 Page - ATMEL Corporation |
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AT6005-2JI Datasheet(HTML) 10 Page - ATMEL Corporation |
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10 / 28 page  AT6000(LV) Series 10 memory to configure the FPGA. Addresses change after the rising edge of the CCLK signal. CSOUT or I/O When cascading devices, CSOUT is an output used to enable other devices. CSOUT should be connected to the CS input of the downstream device. The CSOUT function is optional and can be disabled during initial programming when cascading is not used. When cascading devices, CSOUT should be dedicated to configuration and not used as a configurable I/O. CHECK or I/O During configuration, CHECK is a TTL input that can be used to enable the data check function at the beginning of a configuration cycle. No data is written to the device while CHECK is low. Instead, the configuration file being applied to D0 (or D0 - D7, in parallel mode) is compared with the current contents of the internal configuration RAM. If a mis- match is detected between the data being loaded and the data already in the RAM, the ERR pin goes low. The CHECK function is optional and can be disabled during ini- tial programming. ERR or I/O During configuration, ERR is an output. When the CHECK function is activated and a mismatch is detected between the current configuration data stream and the data already loaded in the configuration RAM, ERR goes low. The ERR ouput is a registered signal. Once a mismatch is found, the signal is set and is only reset after the configuration cycle is restarted. ERR is also asserted for configuration file errors. The ERR function is optional and can be disabled during initial programming. Device Pinout Selection (Max. Number of User I/O) AT6002 AT6003 AT6005 AT6010 84 PLCC 64 I/O 64 I/O 64 I/O - 100 VQFP 80 I/O 80 I/O 80 I/O - 132 PQFP 96 I/O 108 I/O 108 I/O 108 I/O 144 TQFP 95 I/O 120 I/O 108 I/O 120 I/O 208 PQFP - - - 172 I/O 240 PQFP - - - 204 I/O Bit-stream Sizes Mode(s) Type Beginning Sequence AT6002 AT6003 AT6005 AT6010 1 Parallel Preamble 2677 4153 8077 16393 2 Parallel Preamble 2677 4153 8077 16393 3 Serial Null Byte/Preamble 2678 4154 8078 16394 4 Serial Null Byte/Preamble 2678 4154 8078 16394 5 Parallel Preamble 2677 4153 8077 16393 6 Parallel Preamble/Preamble 2678 4154 8078 16394 |
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