The tables below describes the electrical characteristics of the main and
low power crystal oscillator.
Table 2-84. Electrical Characteristics of the Main Crystal OscillatorParameter | Description | Condition | Min. | Typ. | Max. | Units |
---|
| Operating frequency | Using external crystal | 0.032 | — | 20 | MHz |
Using ceramic resonator | 0.5 | — | 8 | MHz |
Using RC Network | 0.032 | — | 4 | MHz |
| Output duty cycle | — | — | 50 | — | % |
| Output jitter | With 10 MHz crystal | — | 1 | — | ns RMS |
IDYNXTAL | Operating current | RC | — | 0.6 | — | mA |
0.032–0.2 | — | 0.6 | — | mA |
0.2–2.0 | — | 0.6 | — | mA |
2.0–20.0 | — | 0.6 | — | mA |
ISTBXTAL | Standby current of crystal oscillator | — | — | 10 | — | µA |
PSRRXTAL | Power supply noise tolerance | — | — | 0.5 | — | Vp-p |
VIHXTAL | Input logic level High | — | 90% of VCC | — | — | V |
VILXTAL | Input logic level Low | — | — | — | 10% of VCC | V |
Startup time | RC [tested at 3.24 MHz] | — | 300 | 550 | ns |
| 0.032–0.2 [tested at 32 KHz] | — | 500 | 3,000 | ms |
| 0.2–2.0 [tested at 2 MHz] | — | 8 | 15 | ms |
| 2.0–20.0 [tested at 20 MHz] | — | 160 | 180 | ns |
Table 2-85. Electrical Characteristics of the Low Power OscillatorParameter | Description | Condition | Min. | Typ. | Max. | Units |
---|
| Operating frequency | — | — | 32 | — | KHz |
| Output duty cycle | — | — | 50 | — | % |
| Output jitter | — | — | 30 | — | ns RMS |
IDYNXTAL | Operating current | 32 KHz | — | 10 | — | µA |
ISTBXTAL | Standby current of crystal oscillator | — | | 2 | — | µA |
PSRRXTAL | Power supply noise tolerance | — | | 0.5 | — | Vp-p |
VIHXTAL | Input logic level High | — | 90% of VCC | | — | V |
VILXTAL | Input logic level Low | — | | | 10% of VCC | V |
| Startup time | Test load used: 20 pF | — | 2.5 | — | s |
Test load used: 30 pF | — | 3.7 | 13 | s |