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Product Detailed Parameters
- Description：IC UART W/FIFO 100LQFP
- Series：-
- Mfr：Texas Instruments
- Package：Tube,Tube
- Features：-
- Number of Channels：1, UART
- FIFO's：64 Byte
- Protocol：-
- Data Rate (Max)：-
- Voltage - Supply：3V ~ 3.6V
- With Auto Flow Control：-
- With IrDA Encoder/Decoder：-
- With False Start Bit Detection：-
- With Modem Control：Yes
- Mounting Type：Surface Mount
- Package / Case：100-LQFP
- Supplier Device Package：100-LQFP (14x14)
- Grade：-
- Qualification：-
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Overview
The TL16PC564BPZ is a Personal Computer Memory Card International Association (PCMCIA) universal asynchronous receiver transmitter (UART) subsystem interface manufactured by Texas Instruments. It integrates a single TL16C550 ACE with PCMCIA interface logic, providing common I-Bus and Z-Bus microcontroller inputs for Intel and Zilog subsystems. The device features a fully programmable 256-byte card information structure (CIS) and eight 8-byte card configuration registers (CCR). It supports selectable serial-interface characteristics including 5-, 6-, 7-, or 8-bit characters, even/odd/no parity, and 1-, 1.5-, or 2-stop bits. Available in a 100-pin Thin Quad Flatpack (PZ) package.
Feature Summary
- Integrates a TL16C550 ACE core with expanded 64-byte FIFO memory and dual-port random-access memory for attribute storage.
- Provides subsystem-selectable serial-bypass mode allowing direct parallel access to the FIFOs.
- Supports both Intel and Zilog microcontroller subsystem interfaces through selectable modes.
- Includes independently controlled transmit, receive, line status, and data set interrupts.
Applications
- Personal Computer Memory Card International Association (PCMCIA) UART subsystem interfaces
- Serial-to-parallel conversion for modem coder-decoder/digital signal processor functions
- Universal asynchronous receiver transmitter implementations requiring PCMCIA compatibility
Procurement Notes
Verify the specific ordering suffix 'PZ' corresponds to the 100-pin Thin Quad Flatpack package when sourcing components. Confirm that the device meets the required voltage specifications of 3.3 V or 5 V for your application design. Ensure that the revision level matches the documentation SLLS225B revised February 2003 for accurate terminal function alignment.
Selection Notes
Select this component when designing PCMCIA cards requiring integrated UART functionality without external interface logic. Consider the 100-pin PZ package constraints for board layout if surface-mount assembly is preferred over the MicroStar BGA option. Evaluate the need for extended 64-byte FIFO mode versus standard 16-byte operation based on throughput requirements.
Part Context
This device belongs to the TL16PC564B series, which combines an Asynchronous Communications Element with PCMCIA interface logic. It serves as a bridge between host CPUs and subsystem modems, replacing traditional EEPROM-based CIS implementations with dual-port RAM for dynamic configuration.
Replacement Considerations
The TL16PC564BLV is the equivalent variant available in a 100-ball MicroStar BGA package. Verify pinout compatibility and package dimensions before substituting the PZ package version with the LV BGA version in existing designs.
