Manual

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