T220-C PCIe 授时卡

Learn about our PCI timing solutions

T220-C PCIe 授时卡可直接插入标准PCIe插槽，为主机提供高精度时间、定时中断及多种授时接口能力，支持PTP主从时钟、NTP服务、SyncE、IRIG-B、PPS脉冲及频率输出等多种方式；产品支持卫星授时及B码、PPS+TOD、PTP等参考源接入，并具备自动切换机制以保障参考异常时的连续同步；板卡内置高稳恒温晶振，可随外部参考驯服，在信号丢失或网络异常时进入守时状态持续输出稳定时间基准；同时通过PCIe总线支持时间读取、本机对时及API调用，实现周期中断与定时闹钟功能。

适用于通信、轨道交通、工业自动化、航空航天、无线电监测及时频比对等场景

Important Features

Support for localized designs (customizable)
Supports 1PPS+TOD input and output (optional)
Supports GPS/BD satellite timing
Outputs local high-precision 10MHz signal (option)
Supports NTP timing support 2 PTP, master/slave configurable
Support local constant temperature crystal taming with timekeeping function
Supports NTP timing
Supports IRIG-B inputs and outputs (optional)
API provides multiple software cycle interrupts and timed alarm interrupts
Supports Windows or Linux systems, provides rich software interfaces, and supports web configuration.

Important Features

Product Features	Specification name	Indicator parameters
Input signal	satellite timing	GPS, BD multimode receiver; supports L1 and B1 frequency points; synchronization accuracy ≤ 30ns(RMS); connection method SMA.
	PTP	1 way; IEEE1588v2-2008; Accuracy better than 100ns (back-to-back); Transmission mode UDP, ETH; Timing mode E2E, P2P; Connection mode RJ45 (customizable SFP); Supports SyncE master-slave mode.
	IRIG-B (optional)	1 way (DC); RS422; IEEE1344/GJB2991-2008; phase shift ±1000ns; synchronization accuracy better than 100ns.
	1PPS+TOD (optional)	1 way; TTL (1PPS)/RS232 (TOD); Format ZDA statement, NMEA0183; Synchronization accuracy better than 100ns.
Output signal	1PPS Pulse	1 way; TTL; Accuracy ≤ 30ns (RMS locked); Pulse width 1~999ms settable; Phase shift ±1000ns; SMA 50Ω.
	PTP	1-way; IEEE1588v2-2008; accuracy better than 100ns (back-to-back); UDP, ETH; E2E, P2P; RJ45 (customizable SFP).
	NTP	2 ways (shared with PTP interface); V1/V2/V3/V4; support MD5 encryption; precision ≤ 10ms; performance ≥ 10000 times / s.
	IRIG-B (optional)	1 way (DC); RS422; IEEE1344/GJB2991-2008; phase shift ±1000ns.
	TOD (optional)	1 way; RS232; ZDA statement, NMEA0183.
	10MHz (optional)	1 channel; sine wave; amplitude ≥ 5dBm; SMA 50Ω.
Software Features	cyclicality is interrupted	4 channels independent setting; period 100us~10000s; step 1us.
	Timer alarm interrupt	4-channel independent setting; 1us step.
	Other Functions	PC synchronization, API to read board time, webpage online upgrade.
	System Support	1-way support for Windows 64/32 bit, Linux, Kirin operating systems; provides drivers and API interface functions; can be customized for VxWorks, Windows RTX and other operating systems.
	bus interface	X1, compatible with X4/X8/X16; GEN2 (5Gbps), compatible with GEN1 (2.5Gbps), GEN3 (Gbps).

System Block Diagram

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