8 ELECTRICAL CHARACTERISTICS
OSC3 ceramic oscillation
(Unless otherwise specified: VSS=0V, Ta=25°C)
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| Item |
| Symbol |
| Condition | Min. | Typ. | Max. |
| Unit | ∗ | |
Oscillation start time |
| tSTA3 | 10MHz ceramic oscillator |
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| 10 |
| ms | 1 | ||||
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| 16MHz ceramic oscillator |
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| 10 |
| ms | 2 | ||
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| 20MHz ceramic oscillator |
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| 10 |
| ms | 3 | ||
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| 25MHz ceramic oscillator |
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| 5 |
| ms | 4 | ||
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| 33MHz ceramic oscillator |
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| 5 |
| ms | 5 | ||
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∗ note) | No. | Ceramic |
| Recommended constants | Power voltage |
| Remarks |
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| oscillator | CG2 (pF) CD2 (pF) Rf2 (MΩ ) | range (V) |
| (Manufacturer) |
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| 1 | CST10.0MTW | 30 | 30 | 1 | 1.8 to 2.2 | (Murata Mfg. corporation) ∗ 1 |
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| 2 | CST16.00MXW0C1 | 5 | 5 | 1 | 1.8 to 2.2 | (Murata Mfg. corporation) |
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| 3 | CST20.00MXW0H1 | 5 | 5 | 1 | 1.8 to 2.2 | (Murata Mfg. corporation) |
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| 4 | CST25.00MXW0H1 | 5 | 5 | 1 | 2.7 to 3.6 | (Murata Mfg. corporation) |
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5 | CST33.00MXZ040 |
| Open | Open | 1 | 2.7 to 3.6 | (Murata Mfg. corporation) |
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∗1 This oscillator has a tendency to rise to the frequency of 0.3%.
8.8PLL Characteristics
Setting the PLLS0 and PLLS1 pins (recommended operating condition)
VDD=2.7V to 3.6V
PLLS1 | PLLS0 | Mode | Fin (OSC3 clock) | Fout |
1 | 1 | x2 | 10 to 25MHz | 20 to 50MHz |
0 | 1 | x4 | 10 to 12.5MHz | 40 to 50MHz |
0 | 0 | PLL not used | – | – |
VDD=2.0V±0.2V
PLLS1 | PLLS0 | Mode | Fin (OSC3 clock) | Fout |
1 | 1 | x2 | 10MHz | 20MHz |
0 | 0 | PLL not used | – | – |
PLL characteristics
(Unless otherwise specified: VDD=2.7V to 3.6V, VSS=0V, crystal oscillator=Q3204DC#1, R1=4.7kΩ , C1=100pF, C2=5pF,
Item | Symbol |
| Condition | Min. | Typ. | Max. | Unit | ∗ |
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Jitter (peak jitter) | tpj |
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| 1 | ns |
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Lockup time | tpll |
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| 1 | ms |
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#1 Q3204DC: Crystal oscillator made by Seiko Epson |
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| (Unless otherwise specified: VDD=2.0V±0.2V, VSS=0V, crystal oscillator=Q3204DC#1, | ||||||||
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| R1=4.7kΩ , C1=100pF, C2=5pF, | ||||||
Item | Symbol |
| Condition | Min. | Typ. | Max. | Unit | ∗ |
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Jitter (peak jitter) | tpj |
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| 2 | ns |
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Lockup time | tpll |
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| 2 | ms |
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#1 Q3204DC: Crystal oscillator made by Seiko Epson
EPSON | S1C33L03 PRODUCT PART |