| Symbol | Description | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| fHFXO |
External crystal frequency |
32 | MHz | ||
| fTOL_HFXO |
Frequency tolerance requirement for 2.4 GHz proprietary radio applications |
±60 | ppm | ||
| fTOL_HFXO_BLE |
Frequency tolerance requirement, Bluetooth Low Energy applications, packet length ≤ 200 bytes |
±40 | ppm | ||
| fTOL_HFXO_BLE_LP |
Frequency tolerance requirement, Bluetooth Low Energy applications, packet length > 200 bytes |
±30 | ppm | ||
| CL_HFXO |
Load capacitance |
6 | 8 | 12 | pF |
| C0_HFXO |
Shunt capacitance |
7 | pF | ||
| RS_HFXO_7PF |
Equivalent series resistance 3 pF < C0 <= 7 pF |
60 | Ω | ||
| RS_HFXO_3PF |
Equivalent series resistance C0 <= 3 pF |
100 | Ω | ||
| PD_HFXO |
Drive level |
100 | µW | ||
| CPIN_HFXO |
Input capacitance XC1 and XC2 with internal capacitors disabled |
5.5 | pF | ||
| CPIN_HFXO_INT |
Input capacitance XC1 and XC2 with internal capacitors enabled |
2.5 | pF | ||
| CHFXO_INT_MIN |
Input capacitance XC1 and XC2, internal capacitor at minimum value, excluding CPIN_HFXO_INT |
7 | pF | ||
| CHFXO_INT_MAX |
Input capacitance XC1 and XC2, internal capacitor at maximum value, excluding CPIN_HFXO_INT |
20 | pF | ||
| ISTBY_X32M |
Core standby current for various crystals |
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| ISTBY_X32M_X0 |
Typical parameters for a given 2.5mm x 2.0mm crystal: CL_HFXO = 8 pF, C0_HFXO = 1 pF, LM_HFXO = 7 mH, RS_HFXO = 20 Ω |
65 | µA | ||
| ISTBY_X32M_X1 |
Typical parameters for a given 1.6mm x 1.2mm crystal: CL_HFXO = 8 pF, C0_HFXO = 0.4 pF, LM_HFXO = 20 mH, RS_HFXO = 40 Ω |
187 | µA | ||
| ISTBY_X32M_X2 |
Typical parameters for a given 2.0mm x 1.6mm crystal: CL_HFXO = 8 pF, C0_HFXO = 0.73 pF, LM_HFXO = 9.47 mH, RS_HFXO = 16.32 Ω |
135 | µA | ||
| ISTBY_X32M_X3 |
Typical parameters for a given 1.2mm x 1.0mm crystal: CL_HFXO = 8 pF, C0_HFXO = 0.42 pF, LM_HFXO = 22.7 mH, RS_HFXO = 100 Ω |
181 | µA | ||
| ISTART_X32M |
Average startup current for various crystals, first 1 ms |
||||
| ISTART_X32M_X0 |
Typical parameters for a given 2.5mm x 2.0mm crystal: CL_HFXO = 8 pF, C0_HFXO = 1 pF, LM_HFXO = 7 mH, RS_HFXO = 20 Ω |
363 | µA | ||
| ISTART_X32M_X1 |
Typical parameters for a given 1.6mm x 1.2mm crystal: CL_HFXO = 8 pF, C0_HFXO = 0.4 pF, LM_HFXO = 20 mH, RS_HFXO = 40 Ω |
790 | µA | ||
| ISTART_X32M_X2 |
Typical parameters for a given 2.0mm x 1.6mm crystal: CL_HFXO = 8 pF, C0_HFXO = 0.73 pF, LM_HFXO = 9.47 mH, RS_HFXO = 16.32 Ω |
467 | µA | ||
| ISTART_X32M_X3 |
Typical parameters for a given 1.2mm x 1.0mm crystal: CL_HFXO = 8 pF, C0_HFXO = 0.42 pF, LM_HFXO = 22.7 mH, RS_HFXO = 100 Ω |
863 | µA | ||
| tPOWERUP_X32M |
Power-up time for various crystals |
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| tPOWERUP_X32M_X0 |
Typical parameters for a given 2.5mm x 2.0mm crystal: CL_HFXO = 8 pF, C0_HFXO = 1 pF, LM_HFXO = 7 mH, RS_HFXO = 20 Ω |
60 | µs | ||
| tPOWERUP_X32M_X1 |
Typical parameters for a given 1.6mm x 1.2mm crystal: CL_HFXO = 8 pF, C0_HFXO = 0.4 pF, LM_HFXO = 20 mH, RS_HFXO = 40 Ω |
187 | µs | ||
| tPOWERUP_X32M_X2 |
Typical parameters for a given 2.0mm x 1.6mm crystal: CL_HFXO = 8 pF, C0_HFXO = 0.73 pF, LM_HFXO = 9.47 mH, RS_HFXO = 16.32 Ω |
60 | µs | ||
| tPOWERUP_X32M_X3 |
Typical parameters for a given 1.2mm x 1.0mm crystal: CL_HFXO = 8 pF, C0_HFXO = 0.42 pF, LM_HFXO = 22.7 mH, RS_HFXO = 100 Ω |
211 | µs |