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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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AMC6821 데이터시트(PDF) 33 Page - Texas Instruments |
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AMC6821 데이터시트(HTML) 33 Page - Texas Instruments |
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33 / 56 page  www.ti.com REGISTER MAP AMC6821 SBAS386C – MAY 2006 – REVISED JULY 2007 All registers are 8-bit. Table 14 shows the memory map. Locations that are marked Reserved read back 0x0000 if they are read by the host. Writing to these locations has no effect. Table 14. Memory Map ADDR NAME R/W DEFAULT BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 IDENTIFICATION REGISTERS 0 0 1 0 0 0 0 1 0x3D Device ID Register R 0x21 Device identification number. Always read '0x21'. 0 1 0 0 1 0 0 1 0x3E Company ID Register R 0x49 Company identification number. CONFIGURATION REGISTERS FAN-Fault- THERMOVIE FDRC1 FDRC0 PWMINV FANIE INT-EN START EN 0x00 Configuration Register 1 R/W 0xD4 THERM INT FAN-Fault Global Int Fan Control Mode PWM Invert RPM Int EN Start Monitor Enable Pin EN EN TACH- RST PSVIE RTOIE LTOIE RTFIE TACH-EN PWM-EN MODE 0x01 Configuration Register 2 R/W 0x3D Remote PWM-Out Reset LPSV Int EN RT Int EN LT Int EN Failure Int TACH EN TACH Mode EN EN THERM-FAN- 0 0 0 0 0 1 0 EN 0x3F Configuration Register 3 R/W 0x82 THERM-Fan Part Revision Number Control For Future PSPR TACH-FAST OVREN 1 0 0 0 Use 0x04 Configuration Register 4 R/W 0x08 TACH Must be Pulse Reading OVR Pin EN Reserved rewritten to '1'. Number Fast RPM- LTL LTH RTF R-THERM RTL RTH FANS ALARM 0x02 Status Register 1 R 0x00 RT Over LT Low LT High RT Failure RT Low RT High Fan Slow Fan Fast Therm THERM-IN L-THERM LPSV LTC RTC 0 0 0 0x03 Status Register 2 R 0x00 LT Over LT Below LT Over RT Over Therm Input Reserved Therm Therm Critical Critical TEMPERATURE MONITORING LT2 LT1 LT0 0 0 RT2 RT1 RT0 0x06 Temp-DATA-LByte R 0x00 3 LSBs of Local Reading Reserved 3 LSBs of Remote Reading LT10 (MSB) LT9 LT8 LT7 LT6 LT5 LT4 LT3 0x0A Local-Temp-DATA-HByte R 0x80 The 8 MSBs of newest reading of local temperature sensor. Default = –128 °C. RT10 (MSB) RT9 RT8 RT7 RT6 RT5 RT4 RT3 0x0B Remote-Temp-DATA-HByte R 0x80 The 8 MSBs of newest reading of remote temperature sensor. Default = –128 °C. LT-H10 LT-H9 LT-H8 LT-H7 LT-H6 LT-H5 LT-H4 LT-H3 0x14 Local-High-Temp-Limit R/W 0x3C 8 MSBs of upper-bound threshold of out-of-range detection of Local-Temp. 3 LSBs are '0'. Default = +60 °C. LT-L10 LT-L9 LT-L8 LT-L7 LT-L6 LT-L5 LT-L4 LT-L3 0x15 Local-Low-Temp-Limit R/W 0x00 8 MSBs of lower-bound threshold of the out-of-range detection of Local-Temp. 3 LSBs are '0'. Default = 0 °C. LT-T10 LT-T9 LT-T8 LT-T7 LT-T6 LT-T5 LT-T4 LT-T3 0x16 Local-THERM-Limit R/W 0x46 8 MSBs of local THERM temperature limit. 3 LSBs are '0'. When local temperature is equal to or above this limit, L-THERM is detected. Default = +70 °C. RT-H10 RT-H9 RT-H8 RT-H7 RT-H6 RT-H5 RT-H4 RT-H3 0x18 Remote-High-Temp-Limit R/W 0x50 The 8 MSBs of the upper-bound threshold of the out-of-range detection of Remote-Temp. 3 LSBs are '0'. Default = +80 °C. RT-L10 RT-L9 RT-L8 RT-L7 RT-L6 RT-L5 RT-L4 RT-L3 0x19 Remote-Low-Temp-Limit R/W 0x00 The 8 MSBs of the lower-bound threshold of the out-of-range detection of Remote-Temp. 3 LSBs are '0'. Default = 0 °C. RT-T10 RT-T9 RT-T8 RT-T7 RT-T6 RT-T5 RT-T4 RT-T3 0x1A Remote-THERM-Limit R/W 0x64 8 MSBs of Remote THERM temperature limit. 3 LSBs are '0'. When remote temperature is equal to or above this limit, R-THERM is detected. Default = +100 °C. LT-C10 LT-C9 LT-C8 LT-C7 LT-C6 LT-C5 LT-C4 LT-C3 0x1B Local-Critical-Temp R/W 0x50 The 8 MSBs of Local Critical temperature shutdown threshold. 3 LSBs are '0'. When the Local-Temp is equal to or above this limit, the LTC interrupt occurs and OVR goes low. Default = +80 °C. Copyright © 2006–2007, Texas Instruments Incorporated Submit Documentation Feedback 33 Product Folder Link(s): AMC6821 |
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