Specifications

COMPANY CONFIDENTIAL
20
2. Hardware features
T77W968 consists of the following key engine components, in addition to the required
front-end RF and other discrete components.
Modem engine
■ Soft Baseband: SDX20-2
■ RF: SDR845
■ Power: PMX20
Co
nnectivity engine
■ PCIe: PCI express (EP and RC modes)
■ USIM: located off board
■ Antenna: connectors for the off board antennas
2.1 Mobile Data Modem
The SDX20-2 chipset supports high-speed data capabilities over a wide range of air interface
standards; the supported RF operating bands are defined by the chipset’s RFICs. They are
complete system solutions that operate on networks worldwide. The major functions of
SDX20-2 used on T77W968 are listed below:
❒ Processor:
- Manufactured in 10 nm FinFET process
- System uP (1.4 GHz ARM Cortex-A7 application processor with 256 KB L2 cache and
1 GHz Qualcomm® Hexagon™ DSP modem processor)
❒ Memory:
-
External memory
EBI1: 2Gb LPDDR2, 32-bit LPDDR2 SDRAM at up to 533MHz
- External memory
EBI2: 2Gb NAND flash
❒ Air interface:
- WCDMA (R99, HSDPA, HSUPA, HSPA+, DC-HSPA+)
- LTE (R11 Cat9, FDD/TDD)
- GPS/Glonass/Beidou
❒ Advance RX operation:
- Mobile receive diversity (WCDMA, LTE)
- 2x2 MIMO (LTE)
❒ Connectivity:
-
PCI expresses (Supports Endpoint and Root Complex, PCIe Gen 2)
T77W968C9
T77W968C9