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MCP3564-E/ST 数据表(PDF) 93 Page - Microchip Technology |
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MCP3564-E/ST 数据表(HTML) 93 Page - Microchip Technology |
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93 / 108 page ![]() 2019-2021 Microchip Technology Inc. DS20006181C-page 93 MCP3561/2/4 8.14 LOCK Register 8.15 RESERVED Register Name Bits Address Cof LOCK 8 0xD R/W REGISTER 8-14: LOCK: SPI WRITE MODE LOCKING PASSWORD VALUE REGISTER R/W-1 R/W-0 R/W-1 R/W-0 R/W-0 R/W-1 R/W-0 R/W-1 LOCK[7:0] bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown Bit 7-0 LOCK[7:0]: Write Access Password Entry Code 0xA5 = Write access is allowed on the full register map. CRC on register map values is not calculated (CRCCFG[15:0] = 0x0000) – Default. Any code except 0xA5 = Write access is not allowed on the full register map. Only the LOCK register is writable. CRC on register map is calculated continuously only when DMCLK is running. Name Bits Address Cof RESERVED 16 0xE R/W REGISTER 8-15: RESERVED REGISTER R/W (default depends on product denomination) RESERVED[15:0] bit 15 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown Bit 15-0 RESERVED[15:0]: Should be set to MCP3561: 0x000C MCP3562: 0x000D MCP3564: 0x000F |
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