LM3S610 Data Sheet
October 8, 2006 385
Preliminary
19.2. 7 JTAG and Bo undary Scan
Table 19-12. JTAG Characteristics
Parameter
No.
Parameter Parameter Name Min Nom Max Unit
J1 f
TCK
TCK operational clock frequency 0 - 10 MHz
J2 t
TCK
TCK operational clock period 100 - - ns
J3 t
TCK_LOW
TCK clock Low time - ½ t
TCK
-ns
J4 t
TCK_HIGH
TCK clock High time - ½ t
TCK
-ns
J5 t
TCK_R
TCK rise time 0 - 10 ns
J6 t
TCK_F
TCK fall time 0 - 10 ns
J7 t
TMS_SU
TMS setup time to TCK rise 20 - - ns
J8 t
TMS_HLD
TMS hold time from TCK rise 20 - - ns
J9 t
TDI_SU
TDI setup time to TCK rise 25 - - ns
J10 t
TDI_HLD
TDI hold time from TCK rise 25 - - ns
J11
t
TDO_ZDV
TCK fall to
Data Valid
from High -Z
2-mA drive - 23 35 ns
4-mA drive 15 26 ns
8-mA drive 14 25 ns
8-mA drive wi th sle w rat e contr ol 18 29 ns
J12
t
TDO_DV
TCK fall to
Data Valid
from Data
Valid
2-mA drive - 21 35 ns
4-mA drive 14 25 ns
8-mA drive 13 24 ns
8-mA drive wi th sle w rat e contr ol 18 28 ns
J13
t
TDO_DVZ
TCK fall to
High -Z from
Data Valid
2-mA drive - 9 11 ns
4-mA drive 7 9 ns
8-mA drive 6 8 ns
8-mA drive wi th sle w rat e contr ol 7 9 ns
J14 t
TRST
TRST assertion time 100 - - ns
J15 t
TRST_SU
TRST setup time to TCK rise 10 - - ns