General Description

The SAA7160E and the SAA7160ET are PCI Express based audio and video capture bridges. Both devices provide ports for capturing video streams, transport streams, program streams and audio streams with audio functionality like I²S-bus inputs. The bridges provide audio and video capture function as required for PCI Express applications like Microsoft ‘multimedia center’.

The target is to cover a range of performance applications like personal video recording and PC TV cards.

The SAA7160E and the SAA7160ET are highly integrated circuits for TV insertion inside PC systems. Additional high-speed programming ports enable high integrated system solutions for multimedia applications.

Key Features

PCI Express interface SAA7160E and SAA7160ET

• Compliant to PCI Express Base Specification 1.0a
• Native PCI Express
  • 64-bit address support
  • MSI and INT_A message support
• The PCI Express circuit supports isochronous data traffic intended for uninterrupted transfer of streaming data like video streaming
  • x1 PCI Express endpoint device (2.5 Gbit/s)
  • Low jitter and bit error rate
• Type 0 configuration space header
  • Single BAR; configurable address range of 17 bits, 18 bits, 19 bits or 20 bits dependent on application requirements
• DMA write support
  • 12 DMA write channels for AV streaming
  • Managing up to 8 software buffers per DMA channel
  • Buffer size of 2 MB extendable to 4 MB (e.g. HDTV)
  • Round-robin arbitration between DMAs Support overflow recovery if PCI Express bandwidth is not granted in the required amount
• DMA read support
  • Autonomous address translation on PCI Express bus
  • One DMA read channel for reading from page table(s) in system memory
• PCI Express capabilities
  • 128 B write packet size and 64 B read packet size
  • MSI support
  • INT_A emulation

Digital interfaces SAA7160E

• Digital video input ports of 60 pins usable for maximum clock rates up to 75 MHz
  • Six independent standard TV (ITU-R BT.656) 8-bit or 10-bit wide input streams (27 MHz) or
  • Two standard TV 20-bit wide input streams or
  • Four TS or PS 8-bit wide input streams (13.5 MHz to 54 MHz) and two independent standard TV (ITU-R BT.656) 8-bit or 10-bit wide input streams or
  • One HDTV 20-bit wide input stream (75 MHz)

Digital interfaces SAA7160ET

• Digital video input ports of 20 pins usable for maximum clock rates up to 75 MHz
  • Two independent standard TV (ITU-R BT.656) 8-bit or 10-bit wide input streams (27 MHz) or
  • Two TS or PS 8-bit wide input streams (13.5 MHz to 54 MHz) or
  • One TS or PS 8-bit wide input stream (13.5 MHz to 54 MHz) and one independent standard TV (ITU-R BT.656) 8-bit or 10-bit wide input stream or
  • One HDTV 20-bit wide input stream (75 MHz)

Digital peripheral audio interfaces SAA7160E and SAA7160ET

• Two independent I²S-bus input channels supporting 32 kHz, 44.1 kHz or 48 kHz

Peripheral programming ports SAA7160E

• Two I²C-bus interfaces
  • I²C-bus master port to program other peripheral devices
  • Support register access with 100 kHz and 400 kHz bit rate
  • I²C-bus slave port, usable to support a programming interface for application systems
• One SPI master interface for controlling external peripherals
• PHI; this is an 16-bit wide interface for fast access to microcontroller
  • Supports 8-bit data and 16-bit address interface
• 28 GPIO pins for general I/O purposes, e.g. usable for interrupt input and chip select functions

Peripheral programming ports SAA7160ET

• Two I²C-bus interfaces
  • I²C-bus master port to program other peripheral devices
  • Support register access with 100 kHz and 400 kHz bit rate
  • I²C-bus slave port, usable to support a programming interface for application systems
• One SPI master interface for controlling external peripherals
• 13 GPIO pins for general I/O purposes, e.g. usable for interrupt input and chip select functions

General features SAA7160E and SAA7160ET

• Boundary scan test circuit according to ‘IEEE Std. 1149.1′

Datasheet