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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ICS952607 датащи(PDF) 12 Page - Renesas Technology Corp |
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ICS952607 датащи(HTML) 12 Page - Renesas Technology Corp |
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12 / 23 page  12 Integrated Circuit Systems, Inc. ICS952607 0734A—07/26/05 I 2C Table: Watchdog Timer Register Control Function Bit 7 WD7 WD Timer Bit 7 RW 0 Bit 6 WD6 WD Timer Bit 6 RW 0 Bit 5 WD5 WD Timer Bit 5 RW 0 Bit 4 WD4 WD Timer Bit 4 RW 0 Bit 3 WD3 WD Timer Bit 3 RW 1 Bit 2 WD2 WD Timer Bit 2 RW 0 Bit 1 WD1 WD Timer Bit 1 RW 1 Bit 0 WD0 WD Timer Bit 0 RW 1 I 2C Table: VCO Control Select Bit & WD Timer Control Register Control Function Bit 7 M/NEN M/N Programming Enable RW 0 Bit 6 WDEN Watchdog Enable R 1 Bit 5 WDFSEN WD Safe Frequency Mode RW 0 Bit 4 WD SF4 RW 0 Bit 3 WD SF3 RW 0 Bit 2 WD SF2 RW 0 Bit 1 WD SF1 RW 0 Bit 0 WD SF0 RW 0 I 2C Table: VCO Frequency Control Register Control Function Bit 7 N Div8 N Divider Prog bit 8 RW X Bit 6 M Div6 RW X Bit 5 M Div5 RW X Bit 4 M Div4 RW X Bit 3 M Div3 RW X Bit 2 M Div2 RW X Bit 1 M Div1 RW X Bit 0 M Div0 RW X I 2C Table: VCO Frequency Control Register Control Function Bit 7 N Div7 RW X Bit 6 N Div6 RW X Bit 5 N Div5 RW X Bit 4 N Div4 RW X Bit 3 N Div3 RW X Bit 2 N Div2 RW X Bit 1 N Div1 RW X Bit 0 N Div0 RW X I 2C Table: Spread Spectrum Control Register Control Function Bit 7 SSP7 RW X Bit 6 SSP6 RW X Bit 5 SSP5 RW X Bit 4 SSP4 RW X Bit 3 SSP3 RW X Bit 2 SSP2 RW X Bit 1 SSP1 RW X Bit 0 SSP0 RW X 01 PWD 01 01 Disable Enable PWD 01 Byte 9 Pin # Name Type Disable Enable Latched FS/Byte0 0 These Spread Spectrum bits in Byte 13 and 14 will program the spread pecentage. It is recommended to use ICS Spread % table for spread programming. These bits represent X*290ms the watchdog timer waits before it goes to alarm mode. Default is 11 x 293ms = 3.2s. Writing to these bit will configure the safe frequency as Byte0 bit (4:0). The decimal representation of M and N Divier in Byte 11 and 12 will configure the VCO frequency. Default at power up = latch- in or Byte 0 Rom table. VCO Frequency = 14.318 x [NDiv(8:0)+8] / [MDiv(6:0)+2] WD B10 b(4:0) 1 The decimal representation of M and N Divier in Byte 11 and 12 will configure the VCO frequency. Default at power up = latch- in or Byte 0 Rom table. VCO Frequency = 14.318 x [NDiv(8:0)+8] / [MDiv(6:0)+2] PWD - Spread Spectrum Programming b(7:0) - - - - - - - Name Type - - Byte 13 Pin # PWD - N Divider Programming b(8:0) - - - - - Byte 12 Pin # Name Type - M Divider Programming bits - - - - - - - Byte 11 Pin # Name Type - Watch Dog Safe Freq Programming bits - - - - - - PWD - Byte 10 Pin # Name Type - - - - - - - - |
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