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LPC55S6X Datasheet(PDF) 84 Page - NXP Semiconductors |
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LPC55S6X Datasheet(HTML) 84 Page - NXP Semiconductors |
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84 / 128 page  LPC55S6x All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2020. All rights reserved. Product data sheet Rev. 1.9 — 10 February 2020 84 of 128 NXP Semiconductors LPC55S6x 32-bit ARM Cortex-M33 microcontroller 11.6 FRO (32 KHz) [1] Typical ratings are not guaranteed. The values listed are at room temperature (25 C), nominal supply voltages. 11.7 RTC oscillator See Section 13.3 for connecting the RTC oscillator to an external clock source. [1] Parameters are valid over operating temperature range unless otherwise specified. 11.8 I2C-bus [1] Guaranteed by design. Not tested in production. [2] Parameters are valid over operating temperature range unless otherwise specified. See the I2C-bus specification UM10204 for details. [3] tHD;DAT is the data hold time that is measured from the falling edge of SCL; applies to data in transmission and the acknowledge. Table 28. Dynamic characteristic: FRO Tamb = 40 C to +105 C; 1.8 V VBAT_DCDC 3.6 V. Symbol Parameter Conditions Min Typ[1] Max Unit fosc(RC) FRO clock frequency - 32.11 32 33.42 KHz Table 29. Dynamic characteristic: RTC oscillator Tamb = 40 C to +105 C; 1.8 VBAT_DCDC 3.6[1] Symbol Parameter Conditions Min Typ[1] Max Unit fi input frequency - - 32.768 kHz Table 30. Dynamic characteristic: I2C-bus pins[1] Tamb = 40 C to +105 C; 1.8 V VBAT_DCDC 3.6 V.[2] Symbol Parameter Conditions Min Max Unit fSCL SCL clock frequency Standard-mode 0 100 kHz Fast-mode 0 400 kHz Fast-mode Plus 0 1 MHz tf fall time [4][5][6][7] of both SDA and SCL signals Standard-mode - 300 ns Fast-mode 20 + 0.1 Cb 300 ns Fast-mode Plus - 120 ns tLOW LOW period of the SCL clock Standard-mode 4.7 - s Fast-mode 1.3 - s Fast-mode Plus 0.5 - s tHIGH HIGH period of the SCL clock Standard-mode 4.0 - s Fast-mode 0.6 - s Fast-mode Plus 0.26 - s tHD;DAT data hold time [3][4][8] Standard-mode 0 - s Fast-mode 0 - s Fast-mode Plus 0 - s tSU;DAT data set-up time [9][10] Standard-mode 250 - ns Fast-mode 100 - ns Fast-mode Plus 50 - ns |
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