OXAV940-FB-A, OXCB950, OXCF950 Selling Leads, Datasheet
MFG:OXFORD SEMICONDUCTOR Package Cooled:BGA D/C:0332+
OXAV940-FB-A, OXCB950, OXCF950 Datasheet download
Part Number: OXAV940-FB-A
MFG: OXFORD SEMICONDUCTOR
Package Cooled: BGA
D/C: 0332+
OXAV940-FB-A, OXCB950, OXCF950
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Info of OXAV940-FB-A
Info of OXCB950
Info of OXCF950
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About OXCB950
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Datasheet: OXCB950
File Size: 419301 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
About OXCB950
PDF/DataSheet Download
Datasheet: OXCB950
File Size: 419301 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
OXCB950 General Description
The OXCB950 is a single chip UART solution for either cardbus or PCI-based serial add-in cards. It is a single function device, offering memory or IO mapped access to the ultra-high performance OX16C950 UART.
This UART is the fastest available PC-compatible UART, offering data rates up to 15Mbps and 128-deep transmitter and receiver FIFOs. The deep FIFOs reduce CPU overhead and allow utilisation of higher data rates. The UART is software compatible with the widely used industrystandard 16C550 devices and compatibles, as well as the OX16C95x family of high performance UARTs. In addition to increased performance and FIFO size, the UART also provides the full set of OX16C95x enhanced features including automated in-band flow control, readable FIFO levels etc.
A set of local registers is available to enhance device driver efficiency and reduce interrupt latency. The internal UART has features such as shadowed FIFO fill levels, an interrupt source register and Good-Data Status, readable in one DWORD register visible to logical function0 in IO space and memory space.
The efficient 32-bit, 33MHz target-only interface is compliant with both the cardbus sections of the PC CARD Standard, release 7.0*, and the PCI bus specifications version 2.2 and version 1.0 of PCI Power Management Specification.
For full flexibility, all the default register values can be overwritten using an optional MicrowireTM serial EEPROM.
This EEPROM can also be used to provide function access to pre-configure the UART into enhanced modes prior to any cardbus/PCI configuration accesses and before control is handed to generic device drivers.
This UART is the fastest available PC-compatible UART, offering data rates up to 15Mbps and 128-deep transmitter and receiver FIFOs. The deep FIFOs reduce CPU overhead and allow utilisation of higher data rates. The UART is software compatible with the widely used industrystandard 16C550 devices and compatibles, as well as the OX16C95x family of high performance UARTs. In addition to increased performance and FIFO size, the UART also provides the full set of OX16C95x enhanced features including automated in-band flow control, readable FIFO levels etc.
A set of local registers is available to enhance device driver efficiency and reduce interrupt latency. The internal UART has features such as shadowed FIFO fill levels, an interrupt source register and Good-Data Status, readable in one DWORD register visible to logical function0 in IO space and memory space.
The efficient 32-bit, 33MHz target-only interface is compliant with both the cardbus sections of the PC CARD Standard, release 7.0*, and the PCI bus specifications version 2.2 and version 1.0 of PCI Power Management Specification.
For full flexibility, all the default register values can be overwritten using an optional MicrowireTM serial EEPROM.
This EEPROM can also be used to provide function access to pre-configure the UART into enhanced modes prior to any cardbus/PCI configuration accesses and before control is handed to generic device drivers.
OXCB950 Maximum Ratings
| Symbol | Parameter | Min | Max | Units |
| VDD | DC supply voltage | 3.0 | 3.6 | V |
| Ta | Commercial Temperature Range | 0 | 70 |
OXCB950 Features
` Single 16C950 High performance UART channel
` Cardbus/PCI compliant, single-function target
controller. Fully compliant to PC Card Standard 7.0*,
and PCI Bus Specification 2.2, Power Management
1.0.
` Function access to pre-configure UART prior to
handover to generic device drivers.
` UART fully software compatible with 16C550-type
devices.
` Baud rates up to 15Mbps in asynchronous mode and
60Mbps in external 1x clock mode
` 128-byte deep FIFO per transmitter and receiver
` Flexible clock prescaler from 1 to 31.875
` Automated in-band flow control using programmable Xon/Xoff in both directions
` Automated out-of-band flow control using CTS#/RTS# and/or DSR#/DTR#
` Arbitrary trigger levels for receiver and transmitter FIFO interrupts and automatic in-band and out-ofband flow control
` Infra-red (IrDA) receiver and transmitter operation
` 9-bit data framing as well as 5,6,7 and 8
` Global Interrupt Status and readable FIFO levels to facilitate implementation of efficient device drivers
` Detection of bad data in the receiver FIFO
` Operation via IO or memory mapping.
` 2 Multi-purpose I/O pins which can be configured as interrupt input or 'wake-up' pins
` Auto-detection of optional MicrowireTM based EEPROM, to reconfigure device. Autodetected.
` 3.3V operation
` 100 pin TQFP package
` Cardbus/PCI compliant, single-function target
controller. Fully compliant to PC Card Standard 7.0*,
and PCI Bus Specification 2.2, Power Management
1.0.
` Function access to pre-configure UART prior to
handover to generic device drivers.
` UART fully software compatible with 16C550-type
devices.
` Baud rates up to 15Mbps in asynchronous mode and
60Mbps in external 1x clock mode
` 128-byte deep FIFO per transmitter and receiver
` Flexible clock prescaler from 1 to 31.875
` Automated in-band flow control using programmable Xon/Xoff in both directions
` Automated out-of-band flow control using CTS#/RTS# and/or DSR#/DTR#
` Arbitrary trigger levels for receiver and transmitter FIFO interrupts and automatic in-band and out-ofband flow control
` Infra-red (IrDA) receiver and transmitter operation
` 9-bit data framing as well as 5,6,7 and 8
` Global Interrupt Status and readable FIFO levels to facilitate implementation of efficient device drivers
` Detection of bad data in the receiver FIFO
` Operation via IO or memory mapping.
` 2 Multi-purpose I/O pins which can be configured as interrupt input or 'wake-up' pins
` Auto-detection of optional MicrowireTM based EEPROM, to reconfigure device. Autodetected.
` 3.3V operation
` 100 pin TQFP package
OXCF950 General Description
The OXCF950 is a low cost asynchronous 16-bit PC card (henceforth referred to as PCMCIA) or Compact Flash (henceforth referred to as CF) UART (and Local Bus) device. Local Bus Selection is performed by use of a MODE pin. Note that Local Bus mode uses indirect addressing, which is only supported by PCMCIA.
The 3.3V / 5V technology has been selected to allow the device to be used in both high and low voltage environments, as stated in the PCMCIA specification. Note that when the OXCF950 is operating at 3.3V, its I/O is not 5V tolerant.
The EEPROM interface allows the programming of the Attribute Memory, UART and Local Configuration Registers during power up or hard/soft reset. This allows different card manufacturers to modify the information contained in the Attribute memory or UART/registers as required, for example PC-Card ID value.
A number of power-down modes are included to keep power consumption to a minimum. Such features include clock division (fully programmable) and sleep modes when a function of the OXCF950 is not being used.
The OXCF950 contains a single-channel ultra-high performance UART offering data rates up to 15Mbps (at 5V) and 128-deep transmitter and receiver FIFOs. Deep FIFOs reduce CPU overhead and allow utilisation of higher data rates.
It is software compatible with the widely used industrystandard 16C550 type devices and compatibles, as well as other OX16C95x family devices.
In addition to increased performance and FIFO size, the OXCF950 also provides enhanced features including improved flow control. Automated software flow control using Xon/Xoff and automated hardware flow control using CTS#/RTS# and DSR#/DTR# prevent FIFO over-run. Flow control and interrupt thresholds are fully programmable and readable, enabling programmers to fine- tune the performance of their system. FIFO levels are readable to facilitate fast driver applications.
The addition of software reset enables recovery from unforeseen error conditions allowing drivers to restart gracefully. The OXCF950 supports 9-bit data frames used in multi-drop industrial protocols. It also offers multiple external clock options for isochronous applications, e.g. ISDN, xDSL.
The OXCF950 also incorporates a bridge to an 8 bit Local Bus in Local Bus Mode. It allows card developers to expand the capabilities of their products by adding peripherals to this bus. In addition, two user IO pins are included to enhance external device control. These IO pins can also be configured as interrupt inputs.
The 3.3V / 5V technology has been selected to allow the device to be used in both high and low voltage environments, as stated in the PCMCIA specification. Note that when the OXCF950 is operating at 3.3V, its I/O is not 5V tolerant.
The EEPROM interface allows the programming of the Attribute Memory, UART and Local Configuration Registers during power up or hard/soft reset. This allows different card manufacturers to modify the information contained in the Attribute memory or UART/registers as required, for example PC-Card ID value.
A number of power-down modes are included to keep power consumption to a minimum. Such features include clock division (fully programmable) and sleep modes when a function of the OXCF950 is not being used.
The OXCF950 contains a single-channel ultra-high performance UART offering data rates up to 15Mbps (at 5V) and 128-deep transmitter and receiver FIFOs. Deep FIFOs reduce CPU overhead and allow utilisation of higher data rates.
It is software compatible with the widely used industrystandard 16C550 type devices and compatibles, as well as other OX16C95x family devices.
In addition to increased performance and FIFO size, the OXCF950 also provides enhanced features including improved flow control. Automated software flow control using Xon/Xoff and automated hardware flow control using CTS#/RTS# and DSR#/DTR# prevent FIFO over-run. Flow control and interrupt thresholds are fully programmable and readable, enabling programmers to fine- tune the performance of their system. FIFO levels are readable to facilitate fast driver applications.
The addition of software reset enables recovery from unforeseen error conditions allowing drivers to restart gracefully. The OXCF950 supports 9-bit data frames used in multi-drop industrial protocols. It also offers multiple external clock options for isochronous applications, e.g. ISDN, xDSL.
The OXCF950 also incorporates a bridge to an 8 bit Local Bus in Local Bus Mode. It allows card developers to expand the capabilities of their products by adding peripherals to this bus. In addition, two user IO pins are included to enhance external device control. These IO pins can also be configured as interrupt inputs.
OXCF950 Maximum Ratings
| Symbol | Parameter | Min | Max | Units |
| VDD | DC supply voltage | 3 | 5.25 | V |
| TO | Operating Temperature range | 0 | 70 |
OXCF950 Features
· Single full-duplex asynchronous channel
· 128-byte deep transmitter / receiver FIFO
· Fully software compatible with industry standard 16C550 type UARTs
· Readable FIFO levels
· System clock up to 60MHz at 5V, 50 MHz at 3.3V
· Flexible clock prescaler from 1 to 31.875
· 9-bit data framing as well as 5,6,7 and 8
· Detection of bad data in the receiver FIFO
· Automated in-band flow control using programmable Xon/Xoff characters
· Transmitter and receiver can be disabled
· Low power CMOS
· 3.3V / 5V operation
· Programmable by external MicrowireTM EEPROM (EEPROM programmed via Oxford Semiconductor utilities).
· Extremely low power consumption by use of asynchronous UART core and power down (sleep) modes
· Ultra small 48 pin TQFP package.
· Supports all UART types 450 up to 950 (fully programmable)
· CF+ Compliant (Revision 1.4).
· 16-bit PC Card Compliant (PCMCIA Revision 7.1)
· 8 bit Local Bus interface included for PCMCIA applications
· 2 Multi-purpose I/O pins which can be configured as interrupt inputs
· 128-byte deep transmitter / receiver FIFO
· Fully software compatible with industry standard 16C550 type UARTs
· Readable FIFO levels
· System clock up to 60MHz at 5V, 50 MHz at 3.3V
· Flexible clock prescaler from 1 to 31.875
· 9-bit data framing as well as 5,6,7 and 8
· Detection of bad data in the receiver FIFO
· Automated in-band flow control using programmable Xon/Xoff characters
· Transmitter and receiver can be disabled
· Low power CMOS
· 3.3V / 5V operation
· Programmable by external MicrowireTM EEPROM (EEPROM programmed via Oxford Semiconductor utilities).
· Extremely low power consumption by use of asynchronous UART core and power down (sleep) modes
· Ultra small 48 pin TQFP package.
· Supports all UART types 450 up to 950 (fully programmable)
· CF+ Compliant (Revision 1.4).
· 16-bit PC Card Compliant (PCMCIA Revision 7.1)
· 8 bit Local Bus interface included for PCMCIA applications
· 2 Multi-purpose I/O pins which can be configured as interrupt inputs
OXCF950 Connection Diagram
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