PEB22554 SIEMENS [Siemens Semiconductor Group], PEB22554 Datasheet - Page 26

• Manufacturer Part Number: PEB22554
• Description: ICs for Communications
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Pin Definitions and Function (cont’d)
Pin No.
11, 29,
56, 92,
102, 125,
10, 28,
55, 91,
101, 124,
112
113
141
140
131
63, 118
Semiconductor Group
RSVD
Symbol
V
V
TDI
TDO
TMS
TCK
TRS
SS
DD
Input (I)
Output (O)
I
I
I + PU
O
I + PU
I + PU
I + PU
I/O + PU
Function
Power Ground
Supply for digital subcircuits (0 V)
For correct operation, all six pins have to be
connected to ground.
Positive Power Supply
for the digital subcircuits (3.3 V)
For correct operation, all six pins have to be
connected to positive power supply.
Test Data Input for Boundary Scan
acc. to IEEE Std. 1149.1
Test Data Output for Boundary Scan
Test Mode Select for Boundary Scan
Test Clock for Boundary Scan
Test Reset for Boundary Scan
(active low)
If the JTAG Boundary Scan is not used this pin
can be connected to pin RES or VSS.
Reserved
26
Pin Descriptions E1
PEB 22554
09.98