SC220 ZARLINK [Zarlink Semiconductor Inc], SC220 Datasheet - Page 23

• Manufacturer Part Number: SC220
• Description: XpressFlow 2020 Ethernet Routing Switch Chipset
• Manufacturer: ZARLINK [Zarlink Semiconductor Inc]

XpressFlow-2020 Series –
Ethernet Switch Chipset
2.5 Test Pins
© 1998 Vertex Networks, Inc.
1999
S_MSGEN#
S_HPREQ#
S_REQ[j]#
S_REQ[I]#
S_GNT[I]#
TEST
S_GNT[j]#
S_CLK
Symbol
P
R
E
CMOS
L
Type
Bus Overload pre-empts the data transfer request
I/O
I
S_REQ[k]#
M
S_OVLD#
Name & Functions
Test Mode Selection & Test Output – Set Test Mode upon Reset,
and provides test status output during test mode
S_CLK
I
N
XpressFlow Bus arbitration
A
R
Y
I
22
N
F
O
R
M
A
T
I
XpressFlow Engine
O
N
Rev. 4.5 – February
SC220