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MON35W42 датащи(PDF) 10 Page - SMSC Corporation |
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MON35W42 датащи(HTML) 10 Page - SMSC Corporation |
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10 / 60 page ![]() 10 FIGURE 1 – ISA INTERFACE ACCESS I 2C Interface The second interface uses the I 2C Serial Bus. The MON35W42 uses three serial bus addresses. The first address defined at CR[48h] can read/write all registers excluding Bank 1 and Bank 2 temperature sensor 2/3 registers. The second address defined at CR[4Ah] bit2-0 can only be used to read/write temperature sensor 2 registers, and the third address defined at Data Register Port 6h Port 5h Index Register ISA Data Bus ISA Address Bus Configuration Register 40h nSMI Status/Mask Registers 41h, 42h, 44h, 45h VID<3:0>/Fan Divisor Register 47h Serial Bus Address 48h Monitor Value Registers 20h~3Fh and 60h~7Fh (auto-increment) VID<4>/Device ID 49h Temperature 2, 3 Serial Bus Address 4Ah Control Register 4Bh~4Dh Select Bank for 50h~5Fh Reg. 4Eh Winbond Vendor ID 4Fh BANK 0 R-T Table Value BEEP Control Register Winbond Test Register 50h~58h BANK 1 Temperature 2 Control/Staus Registers 50h~56h BANK 2 Temperature 3 Control/Staus Registers 50h~56h BANK 4 Additional Control/Staus Registers 50h~5Ch BANK 5 Additional Limit Value & Value RAM 50h~57h |
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