Description

The CXD9718BQ is an electronic component model manufactured by Conexant. It falls under the category of IC chips. This model is a Single-Chip FaxEngine that includes an embedded modem DSP (Digital Signal Processor) and an Integrated Analog (IA) device. The CXD9718BQ, along with its firmware and evaluation system, can function as a complete facsimile machine when combined with power supply, scanner, and printer mechanism components.

Specifications and features

- Microprocessor and Bus Interface: It features an MC24 Central Processing Unit with up to 10 MHz CPU clock speed and memory-efficient input/output bit manipulation. It also has an external bus that supports connection to external ROM, SRAM, DRAM, and an operator panel.

- Chip selects: Supports various chip select signals for ROM, SRAM, external I/O, FLASH memory, and LCD support.

- DRAM Controller: Supports up to 8 MB of DRAM in two blocks, with different organizations supported (4 or 8-bit). It also has single and page mode access support.

- Flash memory support: It supports NAND and NOR-type flash memory, including serial NAND support. NOR-type memory up to 2 MB is also supported.

- DMA Controller: Features six dedicated internal DMA channels for scanner, thermal printer, and T.4/T.6 access of internal and/or external memory. DMA Channel 2 can be reprogrammed for external access to plain paper inkjet printing.

Application Scenarios

The CXD9718BQ can be used in various electronic devices where fax functionality is required. It can be integrated into office equipment, such as multifunction printers, or dedicated fax machines.

Comparison