PXB4221 Infineon Technologies AG, PXB4221 Datasheet - Page 118

• Manufacturer Part Number: PXB4221
• Description: IWE8 Interworking Element for 8 E1/T1 Lines
• Manufacturer: Infineon Technologies AG

PXB4219 / PXB4220 / PXB4221
Interface Description
5.7
Boundary Scan Interface
The boundary scan interface implements the Test Access Port (TAP) as defined in IEEE
Standard 1149.1-1990 [19] including the optional TRST reset signal.
The device identification register, the instruction register and boundary-scan register are
described in the electrical characteristics.
Data Sheet
118
2002-05-06