am79c960 Advanced Micro Devices, am79c960 Datasheet - Page 97

• Manufacturer Part Number: am79c960
• Description: Pcnettm-isa Single-chip Ethernet Controller
• Manufacturer: Advanced Micro Devices

SWITCHING CHARACTERISTICS: EADI
SWITCHING CHARACTERISTICS: JTAG (IEEE 1149.1) INTERFACE
Parameter
Note:
External Address Detection Interface is invoked by setting bit 3 in ISACSR2 and resetting bit 0 in ISACSR2. External
MAU select is not available when EADISEL bit is set.
Parameter
Note:
JTAG logic is reset with an internal Power-On Reset circuit independent of Sleep Modes.
Symbol
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
EAD1
EAD2
EAD3
EAD4
EAD5
EAD6
JTG1
JTG2
JTG3
JTG4
JTG5
JTG6
JTG7
JTG8
SRD Setup to
SRD Hold to
SF/BD Change to
EAR Deassertion to
SRDCLK (First Rising Edge)
EAR Assertion After SFD
Event (Packet Rejection)
EAR Assertion
TCK HIGH Assertion
TCK Period
TDI Setup Before
TDI, TMS Hold After
TMS Setup Before
TDO Active After
TDO Change After
TDO Tristate After
Parameter Description
Parameter Description
SRDCLK
SRDCLK
TCK
TCK
SRDCLK
TCK
TCK
TCK
TCK
P R E L I M I N A R Y
Test Conditions
Test Conditions
Am79C960
Min
Min
–15
110
40
40
50
20
50
0
5
5
8
0
0
0
51,090
Max
Max
+15
30
30
25
AMD
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1-439