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CAT130041MWI-GT3 Arkusz danych(PDF) 6 Page - ON Semiconductor |
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CAT130041MWI-GT3 Arkusz danych(HTML) 6 Page - ON Semiconductor |
6 / 14 page CAT130xx Doc. No. MD-1121 Rev. B 6 © 2008 SCILLC. All rights reserved. Characteristics subject to change without notice EMBEDDED EEPROM OPERATION The CAT130xx has a nonvolatile embedded memory intended for use with industry standard micropro– cessors. The memory can be organized as either registers of 16 bits or 8 bits. The CAT130xx operates on a single power supply and will generate on chip the high voltage required during any write operation. The format for all instructions sent to the device is a logical “1” start bit, a 2-bit (or 4-bit) opcode, 6-bit (13001) / 8-bit (13004) / 9-bit (13008) / 10-bit (13016) address (an additional bit when organized as x8) and for write operations a 16-bit data field (8-bit for x8 organization). The instruction format is shown in Instruction Set Table. INSTRUCTION SET Address Data Instruction Device Start Bit Opcode x 8 x 16 x 8 x 16 Comments 13001 1 10 A6-A0 A5-A0 13004 1 10 A8-A0 A7-A0 13008 1 10 A9-A0 A8-A0 READ 13016 1 10 A10-A0 A9-A0 Read Address AN-A0 13001 1 11 A6-A0 A5-A0 13004 1 11 A8-A0 A7-A0 13008 1 11 A9-A0 A8-A0 ERASE 13016 1 11 A10-A0 A9-A0 Clear Address AN-A0 13001 1 01 A6-A0 A5-A0 D7-D0 D15-D0 13004 1 01 A8-A0 A7-A0 D7-D0 D15-D0 13008 1 01 A9-A0 A8-A0 D7-D0 D15-D0 WRITE 13016 1 01 A10-A0 A9-A0 D7-D0 D15-D0 Write Address AN-A0 13001 1 00 11xxxxx 11xxxx 13004 1 00 11xxxxxxx 11xxxxxx 13008 1 00 11xxxxxxxx 11xxxxxxx EWEN 13016 1 00 11xxxxxxxxx 11xxxxxxxx Write Enable 13001 1 00 00xxxxx 00xxxx 13004 1 00 00xxxxxxx 00xxxxxx 13008 1 00 00xxxxxxxx 00xxxxxxx EWDS 13016 1 00 00xxxxxxxxx 00xxxxxxxx Write Disable 13001 1 00 10xxxxx 10xxxx 13004 1 00 10xxxxxxx 10xxxxxx 13008 1 00 10xxxxxxxx 10xxxxxxx ERAL 13016 1 00 10xxxxxxxxx 10xxxxxxxx Clear All Addresses 13001 1 00 01xxxxx 01xxxx D7-D0 D15-D0 13004 1 00 01xxxxxxx 01xxxxxx D7-D0 D15-D0 13008 1 00 01xxxxxxxx 01xxxxxxx D7-D0 D15-D0 WRAL 13016 1 00 01xxxxxxxxx 01xxxxxxxx D7-D0 D15-D0 Write All Addresses |
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