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Description
The VA3M1JZ969 is a high-level serial communication controller, specifically the SAB 82525 HSCC. It is compatible with the SAB 82520 HSCC and offers extended features and functionality. The SAB 82526, on the other hand, is a pin and software compatible version of the SAB 82525, which provides one HDLC channel (channel B). These controllers are designed to implement high-speed communication links using HDLC protocols and reduce the hardware and software overhead required for serial synchronous communications.
Specifications and features
- Serial Interface
- Two independent full-duplex HDLC channels (SAB 82526: one channel)
- On-chip clock generation or external clock source
- On-chip DPLL for clock recovery for each channel
- Two independent baud rate generators (SAB 82526: one baud rate generator)
- Independent time-slot assignment for each channel with programmable time-slot length (1-256 bit)
- Different modes of data encoding
- Modem control lines (RTS, CTS, CD)
- Support of bus configuration by collision resolution
- Programmable bit inversion
- Transparent receive/transmit of data bytes without HDLC framing
- Continuous transmission of 1 to 32 bytes possible
- Data rate up to 4 Mbit/s
Application Scenarios
The VA3M1JZ969 can be used in various communication and computing applications that require high-speed transmission using HDLC protocols. It is suitable for applications that involve serial synchronous communication, such as data communication systems, networking devices, and industrial control systems.
Comparison
Advantages- High-level serial communication controller
- Compatibility with SAB 82520 and SAB 82526
- Extended features and functionality
- Reduced hardware and software overhead
- Support for high-speed communication links
- Programmable time-slot length and bit inversion
- Transparent receive/transmit of data bytes
- Continuous transmission capability
- High data rate (up to 4 Mbit/s)Disadvantages- Only one HDLC channel (SAB 82526 version)
- Limited to HDLC protocols
- Requires external clock source if not using on-chip clock generation
- Modem control lines limited to RTS, CTS, and CD
- Limited bus configuration support
- No built-in HDLC framing capability -
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Datasheet
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- Datasheet: Download VA3M1JZ969
- Chipdatas Part: CD94-VA3M1JZ969
- Warehouse: China, Hong Kong
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- Last Updated: 2024/09/08 07:48 +0800
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