LCMXO256 Lattice Semiconductor Corp., LCMXO256 Datasheet - Page 43

• Manufacturer Part Number: LCMXO256
• Description: Machxo Family Data Sheet
• Manufacturer: Lattice Semiconductor Corp.

Lattice Semiconductor
Flash Download Time
JTAG Port Timing Specifications
Figure 3-5. JTAG Port Timing Waveforms
t
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Rev. A 0.19
REFRESH
MAX
BTCP
BTCPH
BTCPL
BTS
BTH
BTRF
BTCO
BTCODIS
BTCOEN
BTCRS
BTCRH
BUTCO
BTUODIS
BTUPOEN
Symbol
Symbol
Minimum V
(later of the two supplies)
to Device I/O Active
Data to be
Data to be
driven out
captured
TCK [BSCAN] clock frequency
TCK [BSCAN] clock pulse width
TCK [BSCAN] clock pulse width high
TCK [BSCAN] clock pulse width low
TCK [BSCAN] setup time
TCK [BSCAN] hold time
TCK [BSCAN] rise/fall time
TAP controller falling edge of clock to output valid
TAP controller falling edge of clock to output disabled
TAP controller falling edge of clock to output enabled
BSCAN test capture register setup time
BSCAN test capture register hold time
BSCAN test update register, falling edge of clock to output valid
BSCAN test update register, falling edge of clock to output disabled
BSCAN test update register, falling edge of clock to output enabled
from I/O
to I/O
TMS
TDO
TCK
TDI
CC
or V
CCAUX
Parameter
t
BTCPH
LCMXO256
LCMXO640
LCMXO1200
LCMXO2280
t
BTCOEN
t
BTUPOEN
Parameter
t
BTCPL
t
BTCRS
t
BTS
Data Captured
3-17
V
t
a
BTCRH
t
d i l
BTH
D
V
a
a
d i l
a t
D
a
t
a t
BTCO
t
Min.
BUTCO
—
—
—
—
DC and Switching Characteristics
t
BTCP
V
a
MachXO Family Data Sheet
Typ.
d i l
—
—
—
—
D
V
a
a
d i l
a t
D
Min.
t
BTCODIS
a
40
20
20
10
50
25
—
—
—
—
—
—
—
a t
8
8
t
BTUODIS
Max.
0.4
0.6
0.8
1.0
Max.
25
10
10
10
25
25
25
—
—
—
—
—
—
—
—
Units
mV/ns
ms
ms
ms
ms
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns