特長
- Proactive Power Saving (PPS) features save power during the end device power-down mode
- Dynamic Frequency Control (DFC) feature allows programming up to 2 different configurations that switch dynamically
- Programmable output clock amplitude (1.0V, 1.1V, 1.2V, and 1.8V) to support low output swing clock requirement
- Dedicated 32kHz output with 8 options clock amplitude (5X1503L)
- Spread spectrum compatible; tracks spreading input clock for low EMI (5X1503S)
- Integrated crystal for no external input source requirement
- User configurable through I²C or OTP programming
- Supported by Renesas' Timing Commander™ software tool
説明
The 5X1503 is a series of small form factor programmable clock generators intended for low-power, consumer, battery-powered applications, wearables, and smart devices.
The device is a 1 PLL + DCO architecture design with one embedded crystal. The device is OTP programmable, allowing for up to three unique frequency outputs. The 5X1503 has built-in unique features such as Proactive Power Saving (PPS) and a low-power DCO to support system date/time keeping clock at 32.768kHz. Dynamic Frequency Control (DFC) supports dynamically changing between four different PLL frequencies via external requests with controlled frequency changes, reducing frequency overshoot and undershoot (ORT). The 5X1503S device can also support a spread clock for EMI reduction.
An internal OTP memory allows the user to store up to four independent configurations that can be loaded on power-up without programming. It can then be reprogrammed again through the I²C interface.
The 5X1503 supports three LVCMOS type outputs. Two outputs have programmable amplitude. A low-power 32.768kHz clock is supported with only less than 1.5μA current consumption for system RTC reference clock needs.
パラメータ
| 属性 | 値 |
|---|---|
| Outputs (#) | 3 |
| Output Type | LVCMOS |
| Output Freq Range (MHz) | 0.032768 - 100 |
| Input Freq (MHz) | 52 - 52 |
| Inputs (#) | 1 |
| Input Type | Crystal (integrated) |
| Output Banks (#) | 1 |
| Core Voltage (V) | 1.8 |
| Output Voltage (V) | 1V, 1.1V, 1.2V, 1.8V |
| Product Category | MicroClock, Programmable Clocks |
| Selection Criteria | <700 fs RM |
パッケージオプション
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| VFQFPN | 2.0 x 2.0 x 1.0 | 10 | 0.4 |
アプリケーション・ブロック図
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Renesas Boards & Kits
MicroClock 5X1503 / 5X1503L / 5X1503S Development Kits
The MicroClock 5X1503/5X1503L/5X1503S Development Kit includes a USB interface connecting board, 5X1503/ 5X1503L/5X1503S evaluation board, tiny evaluation board, and 25 units of 5X1503 samples. Using the Renesas Timing CommanderTM graphical user interface (GUI), customers can create their own... 続きを読む
