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MB90800 Datasheet(PDF) 54 Page - Fujitsu Component Limited. |
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MB90800 Datasheet(HTML) 54 Page - Fujitsu Component Limited. |
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54 / 92 page  MB90800 Series 54 DS07-13733-6E 13. Time-base timer The time-base timer has a function that enables a selection of four interval times using 18-bit free-run counter (time-base counter) with synchronizing to the internal count clock (two division of original oscillation). Further- more, the function of timer output of oscillation stabilization wait or function supplying operation clocks for watchdog timer are provided. (1) Register list (2) Block diagram Time-base timer control register (TBTC) - : Unused bit Initial Value 0000A9H 1 - - 00100B Read/Write ⎯⎯ R/W R/W W R/W R/W 15 14 13 12 11 10 9 8 ⎯ R/W ⎯ TBIE TBOF TBR TBC1 TBC0 Reserved TBIE TBOF TBR Reserved ⎯⎯ TBC1 TBC0 OF OF OF OF × 21 × 22 × 28 × 29 × 210 × 211 × 212 × 213 × 214 × 215 × 216 × 217 × 218 To PPG timer Time-base timer counter Dividing HCLK by 2 To watchdog timer Power-on reset Counter clear control circuit Interval timer selector TBOF clear Time-base timer control register (TBTC) Time-base timer interrupt signal To clock controller Oscillation stabilizing Wait time selector TBOF set ⎯ : Unused OF : Overflow HCLK : Oscillation clock *1 : The machine clock is switched from main/sub clock to PLL clock. *2 : The machine clock is switched from sub clock to main clock. Stop mode start Hold status start CKSCR : MCS = 1→0*1 CKSCR : SCS = 0→1*2 |
Similar Part No. - MB90800_09 |
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Similar Description - MB90800_09 |
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