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RT600 Datasheet(PDF) 51 Page - NXP Semiconductors |
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RT600 Datasheet(HTML) 51 Page - NXP Semiconductors |
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51 / 171 page  RT600 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors B.V. 2024. All rights reserved. Product data sheet Rev. 2.2 — 25 January 2024 51 of 173 NXP Semiconductors RT600 Dual-core microcontroller with 32-bit Cortex-M33 and Xtensa HiFi4 Audio DSP CPUs 9. Termination of unused pins Table 6 shows how to terminate pins that are not used in the application. In many cases, unused pins can be left unconnected since pins are default high Z state (input buffer disabled). [1] Z = High impedance; I = Input; O = Output 9.0.1 Pin states in different power modes [1] Default and programmed pin states are retained in sleep and deep-sleep. Table 6. Termination of unused pins Pin Default state[1] Recommended termination of unused pins All PIOn pins Z Leave unconnected. PMIC_I2C_SCL/SDA Z Leave unconnected. PMIC_IRQ_N I; Z 10 kΩ resistor to VDD_AO1V8. PMIC_MODEn O Leave unconnected. RESETN I 100 kΩ resistor to VDD_AO1V8. RTCXIN I Connect to ground. RTCXOUT - Leave unconnected. USB1_DM/DP - Leave unconnected. USB1_VBUS - Leave unconnected. USB1_VDD3V3 - Leave unconnected. VDD_AO1V8 - Connect to 1.8V power. VDD_1V8 - Connect to 1.8V power. VDD_1V8_1 - Connect to 1.8V power during active. Can be powered off during deep sleep mode to reduce current consumption by approximately 65 uA. VDDA_ADC1V8 - Connect to 1.8V power. VDDA_BIAS - Connect to 1.8 V power. VREFN - Connect to ground. VREFP - Connect to VDDA_ADC1V8 VSSA - Connect to ground. XTALIN I Connect to ground. XTALOUT - Leave unconnected. Table 7. Pin states in different power modes Pin Active Sleep Deep-sleep Deep power-down All PIOn pins As configured in IOCON[1]. Default is Z (input, pull-up, and pull-down disable) PMIC_MODE0/1 00 00 |
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