Hi3911V200

Key Features

Communication metrics
- Physical layer peak rate 6Mbit/s
- Application layer peak rate 2Mbit/s
- Chip power consumption ≤130mW
- Power sensitivity ≥110dB
Physical layer characteristics
- Fully compatible with the State Grid interconnection standard, compatible with the South Grid and Guangdong protocols, upward compatible with the Hi3911V100 series chips.
- Operating frequency range 2MHz～12MHz, supports the use of sub-bands. Supports optimal frequency band evaluation and automatic switching
- Adopts OFDM technology and supports BPSK, QPSK and 16QAM modulation modes.
- Supports FEC and CRC functions, powerful denoising and error correction capability.
- Provides a variety of wideband plus modes to adapt to a wider range of channel characteristics.
MAC Characteristics
- Supports TDMA and CSMA/CA, providing conflict avoidance mechanism.
- Supports data segmentation and reorganization to improve transmission efficiency.
- Supports data retransmission mechanism
- Supports 4 levels of QoS to meet different service quality requirements.
Networking Features
- Supports automatic and fast networking, with networking completed in 5 minutes on average in typical scenarios;
- Supports 1024 terminals
- Supports 15 levels of relay
- Supports dynamic routing and multi-path addressing.
Network Coexistence
- Support 30 neighbor networks coexistence
- Supports ITU G.9972 ISP protocol, coexistence with home interconnection devices.
CPU
- High-performance ARM926EJ-S processor with 266MHz operating frequency.
- Embedded cache, including: I-Cache-4k, D-Cache-4k, ITCM-8k
Storage Capacity
- Built-in SDRAM: Hi3911CV200 (8MB); Hi3911TV200 (2MB)
- Supports expansion of 4GB SPI FLASH memory.
Peripheral Interface
- 1 MII interface, support 10/100Mbit/s network expansion (only for Hi3911C)
- Independent SPI FLASH interface
- Hi3911C: 2 SPI interfaces, 2 I2C interfaces; Hi3911T: 1 SPI interface, 1 I2C interface
- Hi3911C: 4 UART interfaces; Hi3911T: 3 UART interfaces
- 1 infrared interface
- Hi3911C: 25 GPIO interfaces; Hi3911T: 10 GPIO interfaces
- 1 AD input (10-bit), 1 PWM output