Echelon LonWorks Router User Manual
Page 38

Table 8 lists the pin assignments for the Router 5000 chip. All digital inputs are low-voltage
transistor-transistor logic (LVTTL) compatible, 5 V tolerant, with low leakage. All digital
outputs are slew-rate limited to reduce Electromagnetic Interference (EMI) concerns.
Table 8. Router 5000 Chip Pin Assignments
Name
Pin
Number Type
Description
SVC~
1
Digital I/O
Service (active low)
IO0
2
Digital I/O
IO0 (side A to side B)
IO1
3
Digital I/O
IO1 (side A to side B)
IO2
4
Digital I/O
IO2 (side A to side B)
IO3
5
Digital I/O
IO3 (side A to side B)
VDD1V8
6
Power
1.8 V Power Input
(from internal voltage regulator)
IO4
7
Digital I/O
IO4 (side A to side B)
VDD3V3
8
Power
3.3 V Power
IO5
9
Digital I/O
IO5 (side A to side B)
IO6
10
Digital I/O
IO6 (side A to side B)
IO7
11
Digital I/O
IO7 (side A to side B)
IO8
12
Digital I/O
IO8 (side A to side B)
IO9
13
Digital I/O
IO9 (side A to side B)
IO10
14
Digital I/O
IO10 (side A to side B)
IO11
15
Digital I/O
IO11 (not used for routers)
VDD1V8
16
Power
1.8 V Power Input
(from internal voltage regulator)
TRST~
17
Digital Input
JTAG Test Reset (active low)
VDD3V3
18
Power
3.3 V Power
TCK
19
Digital Input
JTAG Test Clock
TMS
20
Digital Input
JTAG Test Mode Select
TDI
21
Digital Input
JTAG Test Data In
TDO
22
Digital Output JTAG Test Data Out
XIN
23
Oscillator In
Crystal oscillator input
XOUT
24
Oscillator Out Crystal oscillator output
VDDPLL
25
Power
1.8 V Power Input
(from internal voltage regulator)
GNDPLL
26
Power
Ground
VOUT1V8
27
Power
1.8 V Power Output
(of internal voltage regulator)
28
LONWORKS Router Electrical Interfaces