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ICS9LPRS436CKILF Datasheet(PDF) 15 Page - Integrated Device Technology |
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ICS9LPRS436CKILF Datasheet(HTML) 15 Page - Integrated Device Technology |
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15 / 20 page ![]() IDT® Low Power Clock for Intel Atom®-Based Systems 1561A — 06/01/10 ICS9LPRS436C Low Power Clock for Intel Atom ®-Based Systems 15 SMBus Table: Byte Count Register Byte 8 Name Control Function Type 0 1 PWD Bit 7 Reserved 0 Bit 6 Reserved 0 Bit 5 Reserved 0 Bit 4 BC4 RW 0 Bit 3 BC3 RW 1 Bit 2 BC2 RW 1 Bit 1 BC1 RW 1 Bit 0 BC0 RW 1 SMBus Table: Watch Dog Timer Control Register Byte 9 Name Control Function Type 0 1 PWD Bit 7 HWD_EN Watchdog Hard Alarm Enable RW Disable Enable 0 Bit 6 WD Hard Status WD Hard Alarm Status R Normal Alarm X Bit 5 WDTCtrl Watch Dog Alarm Time base Control R0 Bit 4 HWD3 WD Hard Alarm Timer Bit 3 RW 1 Bit 3 HWD2 WD Hard Alarm Timer Bit 2 RW 1 Bit 2 HWD1 WD Hard Alarm Timer Bit 1 RW 1 Bit 1 HWD0 WD Hard Alarm Timer Bit 0 RW 1 Bit 0 Reserved Reserved RW - - 0 SMBus Table: Skew programming Register Byte 10 Name Control Function Type 0 1 PWD Bit 7 CPUSkw3 RW 0 Bit 6 CPUSkw2 RW 0 Bit 5 CPUSkw1 RW 0 Bit 4 CPUSkw0 RW 0 Bit 3 CPUSkw3 RW 0 Bit 2 CPUSkw2 RW 0 Bit 1 CPUSkw1 RW 0 Bit 0 CPUSkw0 RW 0 CPU Skew Programming Table Byte 10 bits [7:4] or bits [3:0] Skew Value (ps) 0000 0 0001 100 0010 200 0011 300 0100 400 0101 500 0110 600 0111 700 1000 800 1001 900 1010 1000 1011 1100 1100 1200 1101 1300 1110 1400 1111 1500 290ms Base CPUCLK0 Skew Control (ps) Writing to this register will configure how many bytes will be read back, default is 0F = 15 bytes. Byte Count Programming These bits represent X*290ms or X*1.16s. The watchdog timer waits before it goes to alarm mode. Default is 15 X 290ms = 4.35s. CPUCLK1 Skew Control (ps) See CPU Skew Programming Table See CPU Skew Programming Table |
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