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The AX99100 is a single chip solution that fully integrates PCIe 2.0 Gen 1 end-point controller and SerDes with a variety of peripherals such as four High Speed Serial Ports, one Parallel Port, I²C Master, High Speed SPI, Local Bus (ISA-Like) , and GPIOs. It consists of four main configurations such as 4S (PCIe to Quad Serial), 2S+1P (PCIe to Dual Serial and Single Parallel), 2S+SPI (PCIe to Dual Serial and SPI), and LB (PCIe to Local Bus/ISA-Like) for different kinds of applications. The AX99100, in 68-pin QFN, are available with RoHS compliant package and supports commercial grade operating temperature range from 0 to 70°C and industrial grade from -40 to 85°C. PCI Express Single-lane (X1) PCI Express End-point Controller with PHY integrated Compliant with PCI Express 2.0 Gen 1 Compliant with PCI Express card specifications Compliant with PCI Power Management 1.2 Supports four PCI Express functions Supports both legacy and MSI Interrupt Supports ASPM Power Management Serial Port Interface Dual or Quad UARTs Supports RS-232/RS-422/RS-485 multiprotocol Bi-directional speeds up to 25 Mbps per port Full Serial Modem Control Supports Hardware, Software Flow Control Supports 5, 6, 7, 8 and 9-bit Serial format Supports Even, Odd, None, Space and Mark parity Supports Custom baud rate by internal PLL or external clock Supports On Chip 256 Byte depth FIFOs in Transmit, Receive path of each Serial Port Supports remote wakeup and power management features Serial Port transceiver shutdown support Supports Slow IrDA mode (up to 115200bps) on all Serial Ports Supports multi-drop application for 9-bit mode Supports DMA burst transfer Parallel Port Compatible with IEEE 1284 – SPP/Byte/ECP Mode SPI Interface Programmable SPI clock frequency up to 42MHz Supports Mode 0, Mode 1, Mode 2 and Mode 3 timing modes Supports MSB/LSB first transfer fashion Programmable peripheral chip select, selecting up to 7 SPI devices Supports Non-Burst-Type transfer up to 8 bytes and/or Burst-Type transfer via DMA mode for high performance Supports to fragment large data block into several smaller transfers on SPI bus to reduce software loading Supports programmable transfer 0 ~ 8 bytes OP-Code field in each transfer automatically to reduce software loading Supports wake-up by SWAKEn pin from Slave Local Bus Interface Supports memory or I/O access through PCIe BAR0/1 to local bus interface, each BAR mapping to local bus\' chip select (CS0n and CS1n) Supports direct access and bus master access (auto-increment and fixed address) Supports 8-bit or 16-bit data bus width (little and big endian bus swap) Supports up to 2 Kbytes address space and 2 chip select outputs when separated address/data bus style Supports up to 64 Kbytes address space and 2 chip select outputs when multiplexed address/data bus style Supports programmable local chip select region Supports “Slave Request based DMA” access for interfacing with external device with bus master Supports clock out, CLKO, up to 62.5MHz Supports asynchronous or synchronous Local Bus with required clock output, CLKO Supports programmable bus access cycles, self-terminated bus access cycles and back-to-back turnaround cycles Supports programmable RSTO, ALE, RDY, DREQ0/1, DACK0/1, CLKO polarity, and INT0/1 level/edge trigger Supports wake-up by INT0/1 and DREQ0/1 pins Supports I²C Master Interface Up to 24 bi-directional GPIO lines including 8 dedicated GPIO and 16 multi-function GPIO Integrates on-chip power-on reset circuit On Chip 3.3 to 1.2V Regulator 68-pin QFN RoHS compliant package Operating temperature range: 0 to 70°C or -40 to +85°C

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