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ATAR092-C Datasheet(PDF) 18 Page - ATMEL Corporation |
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ATAR092-C Datasheet(HTML) 18 Page - ATMEL Corporation |
18 / 108 page 18 4593D–4BMCU–05/06 ATAR092-C/ATAR892-C Figure 4-17. Ceramic Resonator Note: Both, the 4-MHz and the 32-kHz crystal oscillator, use an integrated 14 stage divider circuit to sta- bilize oscillation before the oscillator output is used as system clock. This results in an additional delay of about 4 ms for the 4-MHz crystal and about 500 ms for the 32-kHz crystal. 4.5.2.5 32-kHz Oscillator Some applications require long-term time keeping or low resolution timing. In this case, an on-chip, low power 32-kHz crystal oscillator can be used to generate both the SUBCL and the SYSCL. In this mode, power consumption is greatly reduced. The 32-kHz crystal oscillator can- not be stopped while the power-down mode is in operation. Figure 4-18. 32-kHz Crystal Oscillator Note: Both, the 4-MHz and the 32-kHz crystal oscillator, use an integrated 14 stage divider circuit to sta- bilize oscillation before the oscillator output is used as system clock. This results in an additional delay of about 4 ms for the 4-MHz crystal and about 500 ms for the 32-kHz crystal. 4-MHz oscillator 4Out Stop 4Out Osc-Stop OSC1 OSC2 * Oscin C 1 * C 2 Oscout Cer. Res * mask option C 3 C 4 32-kHz oscillator 32Out 32Out OSC1 OSC2 * Oscin C 1 * C 2 Oscout XTAL 32 kHz * mask option |
Similar Part No. - ATAR092-C_14 |
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Similar Description - ATAR092-C_14 |
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