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MCF51QM128 bảng dữ liệu(PDF) 50 Page - Freescale Semiconductor, Inc |
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MCF51QM128 bảng dữ liệu(HTML) 50 Page - Freescale Semiconductor, Inc |
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50 / 69 page  Table 34. TSI electrical specifications (continued) Symbol Description Min. Typ. Max. Unit Notes TCon20 Response time @ 20 pF 8 15 25 μs 11 ITSI_RUN Current added in run mode — 55 — μA ITSI_LP Low power mode current adder — 1.3 TBD μA 12 1. The TSI module is functional with capacitance values outside this range. However, optimal performance is not guaranteed. 2. CAPTRM=7, DELVOL=7, and fixed external capacitance of 20 pF. 3. CAPTRM=0, DELVOL=2, and fixed external capacitance of 20 pF. 4. CAPTRM=0, EXTCHRG=9, and fixed external capacitance of 20 pF. 5. The programmable current source value is generated by multiplying the SCANC[REFCHRG] value and the base current. 6. Measured with a 5 pF electrode, reference oscillator frequency of 10 MHz, PS = 128, NSCN = 8; Iext = 16. 7. Measured with a 20 pF electrode, reference oscillator frequency of 10 MHz, PS = 128, NSCN = 2; Iext = 16. 8. Measured with a 20 pF electrode, reference oscillator frequency of 10 MHz, PS = 16, NSCN = 3; Iext = 16. 9. Measured with a 20 pF electrode, reference oscillator frequency of ~5 MHz (IREF = 5 μA, REFCHRG = 4), PS = 128, NSCN = 2; Iext = 16 (EXTCHRG = 15). 10. Typical value depends on the configuration used. 11. Time to do one complete measurement of the electrode. Sensitivity resolution of 0.0133 pF, PS = 0, NSCN = 0, 1 electrode, DELVOL = 2, EXTCHRG = 15. 12. CAPTRM=7, DELVOL=2, REFCHRG=0, EXTCHRG=4, PS=7, NSCN=0F, LPSCNITV=F, LPO is selected (1 kHz), and fixed external capacitance of 20 pF. Data is captured with an average of 7 periods window. Dimensions 7.1 Obtaining package dimensions Package dimensions are provided in package drawings. To find a package drawing, go to http://www.freescale.com and perform a keyword search for the drawing’s document number: If you want the drawing for this package Then use this document number 32-pin QFN 98ARE10566D 44-pin Laminate QFN 98ASA00239D 48-pin LQFP 98ASH00962A 64-pin Laminate QFN 98ASA00279D 64-pin LQFP 98ASS23234W 7 Dimensions MCF51QM128 Advance Information Data Sheet, Rev. 2, 05/2011. 50 Preliminary Freescale Semiconductor, Inc. |
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