Specifications

PL 3120/PL 3150/ PL 3170 Power Line Smart Transceiver Data Book 73
TIME
DATA LINE
START OF
touch_reset()
INPUT
SAMPLED
NEXT
io_in() OR
io_out()
TIME
START OF io_in()
OR io_out()
INPUT
SAMPLED
END OF
io_in() OR
io_out()
DATA LINE
DATA LINE
DATA LINE
RESET
AND
PRESENCE
WRITE 1
WRITE 0
READ
PL Smart Transceiver
1-Wire Memory
PULL-UP RESISTOR
LINE TYPE LEGEND
IO10
IO9
IO8
IO0
IO1
IO2
IO3
IO4
IO5
IO6
IO7
END OF
touch_reset()
High Current Sink Drivers
IO11
t
ibd
t
f
t
low
t
wrd
t
rdi
t
ret
t
rret
t
pdl
t
wh
t
pd
t
rsto
t
rstl
Symbol Description Min Typ Max
t
rsto
Reset call to data line low — 60.0 µs —
t
rstl
Reset pulse width — 500 µs —
t
pdh
Reset pulse release to data line high
10MHz 4.8 µs — 275 µs
t
pdl
Presence pulse width — 120.0 µs —
t
wh
Data line high detect to presence pulse — 80 µs —
t
rret
Return from reset function — 12.6 µs —
t
f
I/O call to data line low (start of bit slot) — 125.4 µs —
t
low
Start pulse width
10MHz — 4.2 µs —
t
rdi
Start pulse edge to sampling of input (read opera-
tion)
10MHz
— 15.0 µs —
t
wrd
Start pulse edge to PL Smart Transceiver releasing
the data line
10MHz
— 66.6 µs —
t
ibd
Inter-bit delay
10MHz — 61.2 µs —
t
ret
Return from I/O call — 42.6 µs —
Figure 3.33 Touch Input/Output Object