PEB2447 SIEMENS [Siemens Semiconductor Group], PEB2447 Datasheet - Page 10

• Manufacturer Part Number: PEB2447
• Description: Memory Time Switch Extended Large MTSXL
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

1.5
Pin No. Symbol
78
79
80
Semiconductor Group
Pin Definitions and Functions (cont’d)
TMS
TDI
TCK
Input (I)
Output (O)
Tristate (T)
I
(internal
pull-up)
I
(internal
pull-up)
I
Function
Test Mode Select: 0 -> 1 transitions on this pin are
required to step through the TAP controller state
machine.
Test Data Input: In the appropriate TAP controller
state test data or an instruction is shifted in via this
line.
Test Clock: Single rate test data clock (6.25 MHz)
10
PEB 2447
Overview
03.97