peb2255 Infineon Technologies Corporation, peb2255 Datasheet - Page 44

• Manufacturer Part Number: peb2255
• Description: E1/t1/j1 Framer And Line Interface Component For Long And Short Haul Applications
• Manufacturer: Infineon Technologies Corporation

Table 5
Pin No.
3
18
19
20
21
1)
2)
Note: Unused input pins have to be connected to a defined voltage level (V
Data Sheet
XTAL3 not required in E1/bypass mode
Boundary scan reset is done automatically upon power up. No pin TRS is provided.
Symbol
REFR
TDI
TMS
TCK
TDO
Pin Definitions - Miscellaneous (cont’d)
Boundary Scan/Joint Test Access Group (JTAG)
Input (I)
Output (O)
Supply (S)
O
I + PU
I + PU
I + PU
O
Analog Reference
Function
Reference Resistance of 12 k +/- 1% and a
capacitor of 680 pF (including external parasitic
capacitances). Both have to be connected to pin
V
Test Data Input for Boundary Scan
according to IEEE Std. 1149.1
If not connected an internal pull-up transistor
ensures high input level.
Test Mode Select for Boundary Scan
If not connected an internal pull-up transistor
ensures high input level.
Test Clock for Boundary Scan
If not connected an internal pull-up transistor
ensures high input level.
Test Data Output for Boundary Scan
SSR
44
in parallel by short external connections.
2)
Pin Descriptions
FALC-LH V1.3
DD
PEB 2255
or V
2000-07
SS
).