![](http://datasheet.mmic.net.cn/330000/PM73488-PI_datasheet_16444396/PM73488-PI_77.png)
PMC-Sierra, Inc.
PM73488 QSE
L
PMC-980616
Issue 3
5 Gbit/s ATMSwitch Fabric Element
Released
Datasheet
79
6.4.4
Boundary Scan Signals
SE_D_OUT15(3:0)
AE27, AD26, AE26,
AK29
4
Out 5
SE_D_OUT14(3:0)
AH29, AD27, AD25,
AG28
4
Out 5
SE_D_OUT13(3:0)
AG29, AB25, AE28,
AC26
4
Out 5
SE_D_OUT12(3:0)
AH30, AB26, AF29,
AA25
4
Out 5
SE_D_OUT11(3:0)
AA27, AA26, AG30,
AC28
4
Out 5
SE_D_OUT10(3:0)
Y26, AE30, AD29,
AB28
4
Out 5
SE_D_OUT09(3:0)
Y27, V25, W25, AC29
4
Out 5
SE_D_OUT08(3:0)
AD30, W26, AB29,
AA28
4
Out 5
SE_D_OUT07(3:0)
V26, V27, Y29, W28
4
Out 5
SE_D_OUT06(3:0)
U25, V28, W29, AA30
4
Out 5
SE_D_OUT05(3:0)
Y30, U27, T25, U26
4
Out 5
SE_D_OUT04(3:0)
W30, T26, V29, U28
4
Out 5
SE_D_OUT03(3:0)
T29, R30, U30, T30
4
Out 5
SE_D_OUT02(3:0)
P28, P30, M30, R29
4
Out 5
SE_D_OUT01(3:0)
N29, R26, P27, R27
4
Out 5
SE_D_OUT00(3:0)
R25, M29, L30, P26
4
Out 5
BP_ACK_IN(31:0)
H26, D28, J25, C29,
K25, E29, F28, C30,
D29, H28, J26, K26,
K27, J27, G29, D30,
L26, J28, M25, N25,
F30, K28, H29, M26,
L27, H30, M28, J29,
N27, G30, K30, L29
32
In
Acknowledge Inputs 31 to 0
receive an acknowledge from
the previous QSE or QRT for unicast cells. It also carries
backpressure information for multicast cells.
Table 19. Boundary Scan Signals (8 Signal Pins)
Signal Name
Ball
#
Pin #
Type
Description
SCAN_TCK
G4
1
In
Scan Test Clock
is an independent clock used to drive the
internal boundary scan test logic.
(Normal operation = V
DD
through a pull-up resistor.)
Table 18. QSE Interface Signals (364 Signal Pins) (Continued)
Signal Name
Ball
#
# of
Pins
Type
Description