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Updated at 17/06/2025 10:30:15(UTC+8)
Certifications
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Description
- The PC16552DV is an Universal Asynchronous Receiver/Transmitter (UART) features that two serial channels are completely independent except for a common CPU interface and crystal input. On power-up both channels are functionally identical to the 16450. Each channel can operate with on-chip transmitter and receiver FIFOs (FIFO mode) to relieve the CPU of excessive software overhead. In FIFO mode each channel is capable of buffering 16 bytes (plus 3-bits of error data per byte in the RCVR FIFO) of data in both the transmitter and receiver. All the FIFO control logic is on-chip to minimize system overhead and maximize system efficiency. Signalling for DMA transfers is done through two pins per channel (TXRDY# and RXRDY#). The RXRDY# function is multiplexed on one pin with the OUT 2# and BAUDOUT functions. The CPU can select these functions through a new register (Alternate Function Register). Each channel performs serial-to-parallel conversion on data characters.
- Dual independent UARTs
- Capable of running all existing 16450 and PC16550D software
- After reset, all registers are identical to the 16450 register set
- Read and write cycle times of 84ns
- Independently controlled transmit, receive, line status and data set interrupts
- MODEM control functions (CTS, RTS, DSR, DTR, RI and DCD)
- Even, odd or no-parity bit generation and detection
- False start bit detection
- Complete status reporting capabilities
- TRI-STATE® TTL drive for the data and control buses
- Line-break generation and detection
- Loopback controls for communications link fault isolation
- Break, parity, overrun and framing-error simulation
- Full prioritized interrupt system controls
- Can also be reset to 16450 Mode under software control
PC16552DV Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Number of Pins | 44 Pin |
| Case/Package | PLCC-44 |
| Supply Voltage (DC) | 5.00 V |
| Operating Voltage | 5.00 V |
| Supply Current | 30 mA |
| Number of Channels | 2 Channel |
| Number of Positions | 44 Position |
| Clock Speed | 24.0 MHz |
| Power Dissipation | 1000 mW |
| Operating Temperature (Max) | 70 ℃ |
| Operating Temperature (Min) | 0 ℃ |
| Power Dissipation (Max) | 1000 mW |
| Supply Voltage | 5 V |
| Supply Voltage (Max) | 5.5 V |
| Supply Voltage (Min) | 4.5 V |
| Show | |
| Product Lifecycle Status | Active |
| Packaging | Tube |
| RoHS | Non-Compliant |
| Lead-Free Status | Contains Lead |
| REACH SVHC Compliance | No SVHC |
| REACH SVHC Compliance Edition | 2015/06/15 |
| ECCN Code | EAR99 |
Order guide
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- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
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