LE8577LFJCT

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LE8577LFJCT is a high-performance low-power single-chip solution for ultra-low power 3G transceiver application terminals. It can provide a complete 3G transceiver function solution for the terminal. It uses a novel low-power integrated circuit technology, supports WCDMA, EDGE and GPRS standards, supports low-power sleep mode, and supports various application scenarios of the terminal. It supports interface functions such as TRS, TR1/G, GSM, and industry standard interfaces such as SPI/UART3, UART4 and I2S, making it convenient to use. It is widely used in 3G transceiver terminals.

It is based on low power technology, supports low power idle mode, multiple sleep modes and SWPS (sleep wakeup power save) to ensure low power consumption and low standby power consumption. It has a complete supply voltage range, supports 3.3V/1.8V dual-voltage switchable operation and low voltage operation, and supports low power shutdown management, making it an ideal choice for terminal applications.

In terms of RF capability, LE8577LFJCT offers rich RF functions, supports all frequency bands and wideband modulation, and supports GMSK, 8PSK, 16QAM and 64QAM modulation mode, which is suitable for WCDMA, EDGE and GPRS standards. In addition, it also supports the diversity of various WCDMA and TD-SCDMA standards, supports access to 850MHz / 900MHz / 1800MHz / 1900MHz frequency bands, and supports GPRS high speed access scheme and EDGE.

In terms of network capability, LE8577LFJCT supports comprehensive network capabilities including PPP and IP packet services, also supports encryption algorithms such as FCS/MSM, IPSEC and GINA, supports NAT/PAT, supports compressed multiplex protocol and virtual serial multiplex protocol, and supports 4-level QOS. It also supports SMS transmission forwarding, supports cellular voice services and supports fast dormancy features.

LE8577LFJCT working principle is relatively simple. It takes the traffic information (voice, network, data, etc.) packetized by the baseband and processed by the system module and packetizes the packetized data into RLC/MAC blocks for physical layer modulation. After the physical layer modulation, the signal is transmitted through the RF module of the device to the receiving end, where it is converted back by the RF module, then demodulated by the physical layer, and then sent to the system module for decryption and extraction. The basic procedures of LE8577LFJCT are like this.

LE8577LFJCT can be widely used in 3G transceiver terminals, because it integrates a high-performance low-power single-chip solution for ultra low power 3G transceiver application terminals, supports WCDMA, EDGE and GPRS standards, and supports low power sleep mode. It takes the traffic information (voice, network, data, etc.) packetized by the baseband and processed by the system module and packetizes the packetized data into RLC/MAC blocks, then transmits the signal through the RF module of the device to the receiving end. What\'s more, it supports PPP, IP packet services, various WCDMA and TD-SCDMA standards, supports access to 850MHz / 900MHz / 1800MHz / 1900MHz frequency bands, supports GPRS high speed access scheme and EDGE, supports SMS transmission forwarding, supports cellular voice services, and supports fast dormancy features.

In short, the LE8577LFJCT is a high-performance low-power single-chip solution for ultra low power 3G transceiver application terminals, it supports WCDMA, EDGE and GPRS standards, and supports low power sleep mode. It takes the traffic information (voice, network, data, etc.) packetized by the baseband and processed by the system module and packetizes the packetized data into RLC/MAC blocks and transmits the signal through the RF module of the device to the receiving end. It is widely used in 3G transceiver terminals, such as smart phones, PDAs, personal computers and etc.

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