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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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MCP4341T502E/ST 数据表(PDF) 32 Page - Microchip Technology |
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MCP4341T502E/ST 数据表(HTML) 32 Page - Microchip Technology |
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32 / 80 page  MCP434X/436X DS22233A-page 32 © 2009 Microchip Technology Inc. 4.2 Memory Map The device memory is 16 locations that are 9-bits wide (16x9 bits). This memory space contains both volatile and non-volatile locations (see Table 4-1). TABLE 4-1: MEMORY MAP AND THE SUPPORTED COMMANDS Address Function Memory Type Allowed Commands Disallowed Commands (2) Factory Initialization 00h Volatile Wiper 0 RAM Read, Write, Increment, Decrement — — 01h Volatile Wiper 1 RAM Read, Write, Increment, Decrement — — 02h Non-Volatile Wiper 0 EEPROM Read, Write (1) Increment, Decrement 8-bit 80h 7-bit 40h 03h Non-Volatile Wiper 1 EEPROM Read, Write (1) Increment, Decrement 8-bit 80h 7-bit 40h 04h Volatile TCON0 Register RAM Read, Write Increment, Decrement — 05h Status Register RAM Read Write, Increment, Decrement — 06h Volatile Wiper 2 RAM Read, Write, Increment, Decrement — — 07h Volatile Wiper 3 RAM Read, Write, Increment, Decrement — — 08h Non-Volatile Wiper 2 EEPROM Read, Write (1) Increment, Decrement 8-bit 80h 7-bit 40h 09h Non-Volatile Wiper 3 EEPROM Read, Write (1) Increment, Decrement 8-bit 80h 7-bit 40h 0Ah Volatile TCON1 Register RAM Read, Write Increment, Decrement — 0Bh Data EEPROM EEPROM Read, Write (1) Increment, Decrement 000h 0Ch Data EEPROM EEPROM Read, Write (1) Increment, Decrement 000h 0Dh Data EEPROM EEPROM Read, Write (1) Increment, Decrement 000h 0Eh Data EEPROM EEPROM Read, Write (1) Increment, Decrement 000h 0Fh Data EEPROM EEPROM Read, Write (1) Increment, Decrement 000h Note 1: When an EEPROM write is active, these are invalid commands and will generate an error condition. The user should use a read of the Status register to determine when the write cycle has completed. To exit the error condition, the user must take the CS pin to the VIH level and then back to the active state (VIL or VIHH). 2: This command on this address will generate an error condition. To exit the error condition, the user must take the CS pin to the VIH level and then back to the active state (VIL or VIHH). |
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