Cirrus Logic CS8900A - Manual (Page 111)

DS271F5 111
CS8900A
Crystal LAN™ Ethernet Controller
CIRRUS LOGIC PRODUCT DATASHEET
TESTSEL
AEN
Outputs
All outputs
tri-state
LANLED
low
BSTATUS
low
EEDataOut
RESET
copied
out
ELCS
copied
out
OUTPUTS
Hi Z
OUTPUT
TEST
34 Clocks
INPUT
TEST
50 Clocks
OUTPUTS
Hi Z
1 clock
COMPLETE CONTINUITY CYCLE
85 Clocks
LINKLED
low
SLEEP
copied
out
Figure 33. Boundary Scan Timing